EBMcalc Medical Calculator

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EBMcalc EHR Connect Parameter Catalog

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Online calculator: A-a Gradient
Source file: AAGradient.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes I27.82 Chronic pulmonary embolism; I50.9 Heart failure, unspecified; T79.1XXA Fat embolism (traumatic), initial encounter; J18.0 Bronchopneumonia, unspecified organism
Associated ICD9-CM codes 482.9 Bacterial pneumonia nos; 485 Bronchopneumonia org nos; 481 Pneumococcal pneumonia; 480.9 Viral pneumonia nos; 958.1 Fat embolism; 673.20 Ob pulm embol nos-unspec; 428.0 Chf nos

Equation: p_Atm = 760 * eTo(Elevation / -7000)

Equation: p_H2O = 47 * eTo((Patient_Temp - 37) / 18.4)

Equation: FIO2 = Percent_Inspired_O2 / 100
LOINC of Result: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %

Equation: Expected_AaG = 2.5 + (0.21 * Age)
Default Result Unit: mmHg
Allowable Result Units:

Equation: Measured_AaG = (FIO2 * (p_Atm - p_H2O)) - (p_CO2 / Resp_Quot) + (p_CO2 * FIO2 * (1 - Resp_Quot) / Resp_Quot) - p_aO2
LOINC of Result: 19991-9 : mmHg : 53809-0 : mmHg
Default Result Unit: mmHg
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Maximum value: 120 yr

Variable: Patient_Temp
LOINC: 8329-5 : degC : 8310-5 : degC : 8331-1 : degC : 8332-9 : degC : 8333-7 : degC : 8328-7 : degC : 75539-7 : degC
Default Unit: degC
Allowable Units: degC
Default value: 37 degC
Maximum value: 50 degC

Variable: Elevation
Default Unit: meters
Allowable Units: meters
Maximum value: 10000 meters

Variable: Percent_Inspired_O2
LOINC: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %
Default Unit: %_InspO2
Allowable Units: %_InspO2
Default value: 21 %_InspO2
Minimum value: 1 %_InspO2
Maximum value: 100 %_InspO2

Variable: p_CO2
LOINC: 2019-8 : mmHg : 34705-4 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Resp_Quot
Default Unit: ratio
Allowable Units: ratio
Default value: 0.8 ratio
Minimum value: 0.01 ratio
Maximum value: 1 ratio

Variable: p_aO2
LOINC: 11556-8 : mmHg : 2703-7 : mmHg : 19254-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: a/A Ratio
Source file: AARatio.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes I27.82 Chronic pulmonary embolism; I50.9 Heart failure, unspecified; T79.1XXA Fat embolism (traumatic), initial encounter; J18.0 Bronchopneumonia, unspecified organism
Associated ICD9-CM codes 482.9 Bacterial pneumonia nos; 485 Bronchopneumonia org nos; 481 Pneumococcal pneumonia; 480.9 Viral pneumonia nos; 958.1 Fat embolism; 673.20 Ob pulm embol nos-unspec; 428.0 Chf nos

Equation: aAR = p_aO2 / (( p_Atm - p_H2O) * FIO2/100 - ( p_CO2 / Resp_Quot ))
Default Result Unit: ratio
Allowable Result Units:

Variable: p_Atm
Default Unit: mmHg
Allowable Units: mmHg
Default value: 760 mmHg

Variable: p_H2O
Default Unit: mmHg
Allowable Units: mmHg
Default value: 47 mmHg

Variable: FIO2
LOINC: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %
Default Unit: %O2_InspO2
Allowable Units: %O2_InspO2
Default value: 21 %O2_InspO2
Maximum value: 100 %O2_InspO2

Variable: p_CO2
LOINC: 2019-8 : mmHg : 34705-4 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Resp_Quot
Default Unit: ratio
Allowable Units: ratio
Default value: 0.8 ratio
Minimum value: 0.01 ratio
Maximum value: 100 ratio

Variable: p_aO2
LOINC: 11556-8 : mmHg : 2703-7 : mmHg : 19254-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: AaPO2 Correction for FIO2
Source file: AaPO2Correction.eq
EBMcalc Version: 8.8
Associated ICD10-CM codes I27.82 Chronic pulmonary embolism; I50.9 Heart failure, unspecified; T79.1XXA Fat embolism (traumatic), initial encounter; J18.0 Bronchopneumonia, unspecified organism
Associated ICD9-CM codes 482.9 Bacterial pneumonia nos; 485 Bronchopneumonia org nos; 481 Pneumococcal pneumonia; 480.9 Viral pneumonia nos; 958.1 Fat embolism; 673.20 Ob pulm embol nos-unspec; 428.0 Chf nos

Equation: AaPO2_Corrected = 21 * AaPO2 / FIO2
Default Result Unit: torr
Allowable Result Units:

Variable: AaPO2
Default Unit: torr
Allowable Units: torr

Variable: FIO2
LOINC: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %
Default Unit: %
Allowable Units: %
Minimum value: 1 %
Maximum value: 100 %

Online calculator: Absolute Eosinophil Count
Source file: AbsEoCount.eq
EBMcalc Version: 13.4
Associated ICD10-CM codes D72.1 Eosinophilia
Associated ICD9-CM codes 288.3 Eosinophilia

Equation: Absolute_Eosinophil_Count = WBC * Eosinophils / 100
LOINC of Result: 26449-9 : cells/microL : 711-2 : x10(9)/L : 712-0 : x10(3)/mcL
Default Result Unit: cells/microL
Allowable Result Units:

Variable: WBC
LOINC: 6690-2 : #/microL
Default Unit: cells/microL
Allowable Units: cells/microL

Variable: Eosinophils
LOINC: 32593-6 : % : 12209-3 : % : 713-8 : % : 714-6 : %
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Online calculator: Absolute Lymphocyte Count
Source file: AbsLymphocyteCnt.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes D72.810 Lymphocytopenia; D72.820 Lymphocytosis (symptomatic); D61.9 Aplastic anemia, unspecified
Associated ICD9-CM codes 288.61 Lymphocytosis symptomatc; 288.51 Lymphocytopenia; 284.9 Aplastic anemia nos

Equation: ALC = WBC * Lymphs / 100
LOINC of Result: 731-0 : x10^3/microL : 26474-7 : x10^3/microL : 732-8 : x10^3/microL
Default Result Unit: x10(3)/microL
Allowable Result Units:

Variable: WBC
LOINC: 6690-2 : #/microL
Default Unit: x10(3)/microL
Allowable Units: x10(3)/microL

Variable: Lymphs
LOINC: 736-9 : % : 735-1 : % : 737-7 : % : 15197-7 : % : 26478-8 : %
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Online calculator: Absolute Neutrophil Count
Source file: AbsNeutrophileCnt.eq
EBMcalc Version: 8.7

Equation: ANC = WBC_count * ((PMNs/100) + (Bands/100))
LOINC of Result: 751-8 : 10^3/microL : 26499-4 : 10^3/microL : 753-4 : 10^3/microL
Default Result Unit: {cells}/uL
Allowable Result Units:

Variable: WBC_count
LOINC: 6690-2 : #/microL
Default Unit: cells/mcL
Allowable Units: cells/mcL

Variable: PMNs
LOINC: 769-0 : % : 26505-8 : % : 32200-8 : %
Default Unit: percent
Allowable Units: percent
Maximum value: 100 percent

Variable: Bands
LOINC: 764-1 : % : 35332-6 : % : 26508-2 : %
Default Unit: percent
Allowable Units: percent
Maximum value: 100 percent

Online calculator: Absolute Phagocyte Count
Source file: APC.eq
EBMcalc Version: 20.3

Equation: Absolute_Phagocyte_Count = Absolute_Neutrophil_Count + Absolute_Monocyte_Count
Default Result Unit: x10(3)/mcL
Allowable Result Units:

Variable: Absolute_Neutrophil_Count
LOINC: 751-8 : 10^3/microL : 26499-4 : 10^3/microL : 753-4 : 10^3/microL
Default Unit: x10(3)/mcL
Allowable Units: x10(3)/mcL

Variable: Absolute_Monocyte_Count
LOINC: 26484-6 : x10(3)/mcL : 742-7 : x10(3)/mcL : 743-5 : x10(3)/mcL
Default Unit: x10(3)/mcL
Allowable Units: x10(3)/mcL

Online calculator: Absolute Reticulocyte Count
Source file: AbsReticCnt.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes D53.1 Other megaloblastic anemias, not elsewhere classified; D50.8 Other iron deficiency anemias; D59.1 Other autoimmune hemolytic anemias; D59.0 Drug-induced autoimmune hemolytic anemia; D59.9 Acquired hemolytic anemia, unspecified; D64.9 Anemia, unspecified; D61.9 Aplastic anemia, unspecified
Associated ICD9-CM codes 280.8 Iron defic anemia nec; 281.3 Megaloblastic anemia nec; 281.0 Pernicious anemia; 282.60 Sickle-cell anemia nos; 284.9 Aplastic anemia nos; 285.9 Anemia nos; 283.9 Acq hemolytic anemia nos; 283.0 Autoimmun hemolytic anem

Equation: ARC = Retic_Percent * RBC / 100
LOINC of Result: 60474-4 : 10^3/microL : 14196-0 : 10^3/microL : 40665-2 : 10^3/microL
Default Result Unit: 10*6/uL
Allowable Result Units:

Variable: Retic_Percent
LOINC: 4679-7 : %
Default Unit: %
Allowable Units: %

Variable: RBC
LOINC: 789-8 : x10(6)/microL : 790-6 : 10^9/microL
Default Unit: x10(6)/mcL
Allowable Units: x10(6)/mcL

Online calculator: Acetaminophen (Paracetamol) Toxicity Assessment (Original, 1975)
Source file: AcetaminophenTox.cc
EBMcalc Version: 8.9
Associated ICD10-CM codes T50.901A Poisoning by unspecified drugs, medicaments and biological substances, accidental (unintentional), initial encounter
Associated ICD9-CM codes E850.0 Acc poison-analgesic nos; E950.0 Poison-analgesics; E950.0 Poison-drug/medicin nos; 977.9 Poison-medicinal agt nos

Equation: ToxLevel = eTo(5.298317 - ((Hours_After_Ingestion - 4) * 0.1732868))

Equation: RxLevel = ToxLevel - (0.25 * ToxLevel)

Variable: Hours_After_Ingestion
Default Unit: Hours
Allowable Units: Hours
Minimum value: 4 Hours
Maximum value: 24 Hours

Variable: Acetaminophen_Level
LOINC: 12442-0 : mcg/mL : 22736-3 : mcmol/L : 3298-7 : mcg/mL : 14581-3 : mcmol/L
Default Unit: mcg/mL_acet
Allowable Units: mcg/mL_acet

Online calculator: Acetaminophen (Paracetamol) Toxicity Assessment (Revised 2023)
Source file: AcetaminophenTox2023.cc
EBMcalc Version: 23.3
Associated ICD10-CM codes T50.901A Poisoning by unspecified drugs, medicaments and biological substances, accidental (unintentional), initial encounter
Associated ICD9-CM codes E850.0 Acc poison-analgesic nos; E950.0 Poison-analgesics; E950.0 Poison-drug/medicin nos; 977.9 Poison-medicinal agt nos

Equation: ToxLevel = fixDP(eTo(5.703782 - ((Time_After_Ingestion - 4) * 0.175148)),1)

Equation: RxLevel = fixDP(ToxLevel - (0.5 * ToxLevel),1)

Variable: Time_After_Ingestion
Default Unit: Hours
Allowable Units: Hours
Minimum value: 4 Hours
Maximum value: 24 Hours

Variable: Acetaminophen_Level
LOINC: 12442-0 : mcg/mL : 22736-3 : mcmol/L : 3298-7 : mcg/mL : 14581-3 : mcmol/L
Default Unit: mcg/mL_acet
Allowable Units: mcg/mL_acet

Online calculator: Acute Heart Failure Prediction Based on NT-proBNP and Clinical Features
Source file: CHF_BNP.eq
EBMcalc Version: 13.1
Associated ICD10-CM codes I50.31 Acute diastolic (congestive) heart failure; I50.21 Acute systolic (congestive) heart failure; I50.32 Chronic diastolic (congestive) heart failure; I50.22 Chronic systolic (congestive) heart failure; I50.30 Unspecified diastolic (congestive) heart failure; I50.9 Heart failure, unspecified; I50.1 Left ventricular failure
Associated ICD9-CM codes 428.1 Left heart failure; 428.9 Heart failure nos; 428.30 Diasystol heart fail nos; 428.3 Diastolic heart failure; 428.22 Chr systol heart failur; 428.32 Chr diastol heart fail; 428.21 Ac systol heart failure; 428.31 Ac diastol heart fail

Equation: Post_Test_Prob_CHF = 100 / (1 + eTo(8 + (0.011 * Age) - (0.059 * Pre_Test_Prob_CHF) - (2.3 * log(NT_proBNP)) + (0.0082 * Pre_Test_Prob_CHF * log(NT_proBNP))))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Pre_Test_Prob_CHF
Default Unit: %
Allowable Units: %

Variable: NT_proBNP
LOINC: 30934-4 : pg/mL : 42637-9 : pg/mL : 33762-6 : pg/mL
Default Unit: pg/mL
Allowable Units: pg/mL

Online calculator: Adjusted Cerebrospinal Fluid White Blood Cell Count in the Presence of Red Blood Cells
Source file: CSF_WBC.eq
EBMcalc Version: 13.4

Equation: Adjusted_WBCs_in_CSF = Measured_WBCs_in_CSF - ((WBCs_in_blood * RBCs_in_CSF) / (RBCs_in_blood * 1000000))
Default Result Unit: #/microL
Allowable Result Units:

Variable: Measured_WBCs_in_CSF
Default Unit: #/microL
Allowable Units: #/microL

Variable: WBCs_in_blood
Default Unit: #/microL
Allowable Units: #/microL

Variable: RBCs_in_CSF
Default Unit: #/microL
Allowable Units: #/microL

Variable: RBCs_in_blood
Default Unit: x10(6)/microL
Allowable Units: x10(6)/microL

Online calculator: Albumin-bilirubin (ALBI) grade estimate of survival of adults with hepatocellular carcinoma (conventional and SI units)
Source file: ALBI.eq
EBMcalc Version: 15.1

Equation: ALBI_score = (log(Bilirubin) * 0.66) - (Albumin * 0.085)

Variable: Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mcmol/L_Bili
Allowable Units: mcmol/L_Bili
Minimum value: 1 mcmol/L_Bili
Maximum value: 100 mcmol/L_Bili

Variable: Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/L_Alb
Allowable Units: g/L_Alb
Maximum value: 55 g/L_Alb

Online calculator: Alcoholic Liver Disease: Criteria for One Year Mortality Prognosis
Source file: AlcLiverDxSeverity.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes T51.91XA Toxic effect of unspecified alcohol, accidental (unintentional), initial encounter; K70.0 Alcoholic fatty liver; K70.9 Alcoholic liver disease, unspecified; K70.10 Alcoholic hepatitis without ascites; K70.30 Alcoholic cirrhosis of liver without ascites
Associated ICD9-CM codes 571.2 Alcohol cirrhosis liver; 571.1 Ac alcoholic hepatitis; 571.3 Alcohol liver damage nos; 571.0 Alcoholic fatty liver; 980.9 Toxic effect alcohol nos; 980.0 Toxic eff ethyl alcohol

Equation: LR_Score = 6 + (1.03 * Encephalopathy)- (2.5 * Hb / Sex) - (1.56 * Albumin)
Default Result Unit: score
Allowable Result Units:

Equation: Mortality = 100 * eTo(LR_Score) / (1 + eTo(LR_Score))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 14
Discrete variable option: Male Variable value: 15

Variable: Hb
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL
Minimum value: 1 g/dL
Maximum value: 15 g/dL

Variable: Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb
Maximum value: 6 g/dL_Alb

Radio Button Variable: Encephalopathy
Discrete variable option: Grade 1 Variable value: 1
Discrete variable option: Grade 2 Variable value: 2
Discrete variable option: Grade 3 Variable value: 3

Online calculator: Allowable Blood Loss
Source file: AllowableBloodLoss.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes D62 Acute posthemorrhagic anemia
Associated ICD9-CM codes 285.1 Ac posthemorrhag anemia

Equation: Blood_Vol = Weight * Avg_Blood_Vol
Default Result Unit: mL
Allowable Result Units:

Equation: Allowable_Loss = Blood_Vol * ln( Initial_Hct / Final_Hct )
Default Result Unit: mL
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Radio Button Variable: Avg_Blood_Vol
Discrete variable option: Men Variable value: 75
Discrete variable option: Women Variable value: 65
Discrete variable option: Infants Variable value: 80
Discrete variable option: Neonates Variable value: 85
Discrete variable option: Premature Neonates Variable value: 96

Variable: Initial_Hct
Default Unit: %
Allowable Units: %

Variable: Final_Hct
Default Unit: %
Allowable Units: %

Online calculator: Aminoglycoside Clearance Estimate
Source file: AminoGlycCl.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z79.2 Long term (current) use of antibiotics; T36.91XA Poisoning by unspecified systemic antibiotic, accidental (unintentional), initial encounter
Associated ICD9-CM codes E930.0 Adv eff antibiotic nos; E930.0 Adv eff antibiotics nec; V58.62 Long-term use antibiotic; 960.9 Poisoning-antibiotic nos

Equation: Ag_Clear = 0.6 * (Sex * ((140 - Age) / (Serum_Creat)) * (Weight / 72)) + 10
Default Result Unit: mL/min
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.85
Discrete variable option: Male Variable value: 1

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Anion Gap Delta Delta Gradient Multicalc
Source file: AnionGapDeltaGradient.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes P74.0 Late metabolic acidosis of newborn; E87.2 Acidosis
Associated ICD9-CM codes 276.2 Acidosis; 775.7 Late metab acidosis nb

Equation: Anion_Gap = Na - (Cl + HCO3)
LOINC of Result: 33037-3 : mEq/L : 10466-1 : mEq/L
Default Result Unit: mEq/L_AG
Allowable Result Units:

Equation: Delta_Gap = Anion_Gap - Baseline_Gap
Default Result Unit: mEq/L_DeltaAG
Allowable Result Units:

Equation: Delta_HCO3 = 25 - HCO3
Default Result Unit: mEq/L_HCO3
Allowable Result Units:

Equation: Delta_Delta_Gradient = Delta_Gap - Delta_HCO3
Default Result Unit: mEq/L_AG
Allowable Result Units:

Variable: Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na
Minimum value: 80 mEq/L_Na
Maximum value: 200 mEq/L_Na

Variable: Cl
LOINC: 2075-0 : mEq/L : 2069-3 : mEq/L : 41649-5 : mEq/L : 32307-1 : mEq/L
Default Unit: mEq/L_Cl
Allowable Units: mEq/L_Cl
Minimum value: 60 mEq/L_Cl
Maximum value: 180 mEq/L_Cl

Variable: HCO3
LOINC: 2028-9 : mmol/L : 1959-6 : mEq/L : 1960-4 : mEq/L : 14627-4 : mEq/L : 1961-2 : mEq/L : 22735-5 : mEq/L : 1963-8 : mEq/L
Default Unit: mEq/L_HCO3
Allowable Units: mEq/L_HCO3
Maximum value: 30 mEq/L_HCO3

Variable: Baseline_Gap
Default Unit: mEq/L_BaseAG
Allowable Units: mEq/L_BaseAG
Maximum value: 50 mEq/L_BaseAG

Online calculator: Anion Gap Delta Delta Ratio Multicalc
Source file: AnionGapDeltaRatio.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes P74.0 Late metabolic acidosis of newborn; E87.2 Acidosis
Associated ICD9-CM codes 276.2 Acidosis; 775.7 Late metab acidosis nb

Equation: Anion_Gap = Na - (Cl + HCO3)
LOINC of Result: 33037-3 : mEq/L : 10466-1 : mEq/L
Default Result Unit: mEq/L_AG
Allowable Result Units:

Equation: Delta_Gap = Anion_Gap - Baseline_Gap
Default Result Unit: mEq/L_DeltaAG
Allowable Result Units:

Equation: Delta_HCO3 = 25 - HCO3
Default Result Unit: mEq/L_HCO3
Allowable Result Units:

Equation: Delta_Delta_Ratio = Delta_Gap / Delta_HCO3
Default Result Unit: ratio
Allowable Result Units:

Variable: Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na
Minimum value: 80 mEq/L_Na
Maximum value: 200 mEq/L_Na

Variable: Cl
LOINC: 2075-0 : mEq/L : 2069-3 : mEq/L : 41649-5 : mEq/L : 32307-1 : mEq/L
Default Unit: mEq/L_Cl
Allowable Units: mEq/L_Cl
Minimum value: 60 mEq/L_Cl
Maximum value: 180 mEq/L_Cl

Variable: HCO3
LOINC: 2028-9 : mmol/L : 1959-6 : mEq/L : 1960-4 : mEq/L : 14627-4 : mEq/L : 1961-2 : mEq/L : 22735-5 : mEq/L : 1963-8 : mEq/L
Default Unit: mEq/L_HCO3
Allowable Units: mEq/L_HCO3
Maximum value: 30 mEq/L_HCO3

Variable: Baseline_Gap
Default Unit: mEq/L_BaseAG
Allowable Units: mEq/L_BaseAG
Maximum value: 50 mEq/L_BaseAG

Online calculator: Anion Gap in Hypoalbumin States
Source file: AnionGapHypoAlb.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E44.0 Moderate protein-calorie malnutrition; E44.1 Mild protein-calorie malnutrition; E46 Unspecified protein-calorie malnutrition; P74.0 Late metabolic acidosis of newborn; E87.2 Acidosis
Associated ICD9-CM codes 276.2 Acidosis; 775.7 Late metab acidosis nb; 263.9 Protein-cal malnutr nos; V77.2 Screen for malnutrition; 263.1 Malnutrition mild degree; 263.0 Malnutrition mod degree

Equation: Anion_Gap = Na - Cl - HCO3
LOINC of Result: 33037-3 : mEq/L : 10466-1 : mEq/L
Default Result Unit: mEq/L
Allowable Result Units:

Equation: Adjusted_Gap = Anion_Gap + 2.5 * (Normal_Alb - Observed_Alb)
Default Result Unit: mEq/L
Allowable Result Units:

Variable: Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Variable: Cl
LOINC: 2075-0 : mEq/L : 2069-3 : mEq/L : 41649-5 : mEq/L : 32307-1 : mEq/L
Default Unit: mEq/L_Cl
Allowable Units: mEq/L_Cl

Variable: HCO3
LOINC: 2028-9 : mmol/L : 1959-6 : mEq/L : 1960-4 : mEq/L : 14627-4 : mEq/L : 1961-2 : mEq/L : 22735-5 : mEq/L : 1963-8 : mEq/L
Default Unit: mEq/L_HCO3
Allowable Units: mEq/L_HCO3

Variable: Normal_Alb
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb
Default value: 4.4 g/dL_Alb
Maximum value: 20 g/dL_Alb

Variable: Observed_Alb
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb
Maximum value: 20 g/dL_Alb

Online calculator: Anion Gap
Source file: AnionGap.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes P74.0 Late metabolic acidosis of newborn; E87.2 Acidosis
Associated ICD9-CM codes 276.2 Acidosis; 775.7 Late metab acidosis nb

Equation: Anion_Gap = Na - (Cl + HCO3)
LOINC of Result: 33037-3 : mEq/L : 10466-1 : mEq/L
Default Result Unit: meq/L_AG
Allowable Result Units:

Variable: Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na
Minimum value: 80 mEq/L_Na
Maximum value: 200 mEq/L_Na

Variable: Cl
LOINC: 2075-0 : mEq/L : 2069-3 : mEq/L : 41649-5 : mEq/L : 32307-1 : mEq/L
Default Unit: mEq/L_Cl
Allowable Units: mEq/L_Cl
Minimum value: 60 mEq/L_Cl
Maximum value: 180 mEq/L_Cl

Variable: HCO3
LOINC: 2028-9 : mmol/L : 1959-6 : mEq/L : 1960-4 : mEq/L : 14627-4 : mEq/L : 1961-2 : mEq/L : 22735-5 : mEq/L : 1963-8 : mEq/L
Default Unit: mEq/L_HCO3
Allowable Units: mEq/L_HCO3

Online calculator: APACHE II Scoring System by Diagnosis
Source file: ApacheScoreDx.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes J96.90 Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia; J96.00 Acute respiratory failure, unspecified whether with hypoxia or hypercapnia; A41.9 Sepsis, unspecified organism; I50.9 Heart failure, unspecified; I50.9 Heart failure, unspecified; N19 Unspecified kidney failure
Associated ICD9-CM codes 584.9 Acute renal failure nos; 586 Renal failure nos; 428.9 Heart failure nos; 038.9 Septicemia nos; 518.81 Acute respiratry failure

Equation: Score = Rectal_Temp + MAP + HR + RR + Aa_Gradient_or_PO2 + pH_or_HCO3 + Na + K + Creat + Hct + WBC + Glasgow + Age + Chronic_Dx
Default Result Unit: score
Allowable Result Units:

Equation: Log_OR = -3.517 + (Score * 0.146) + Post_Emerg_Surg + Admit_Dx
Default Result Unit: number
Allowable Result Units:

Equation: Odds_Ratio = eTo(Log_OR)
Default Result Unit: ratio
Allowable Result Units:

Equation: Mortality = 100 * Odds_Ratio / ( 1 + Odds_Ratio )
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Post_Emerg_Surg
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.603

Online calculator: APACHE II Scoring System
Source file: ApacheScore.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes J96.90 Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia; J96.00 Acute respiratory failure, unspecified whether with hypoxia or hypercapnia; A41.9 Sepsis, unspecified organism; I50.9 Heart failure, unspecified; I50.9 Heart failure, unspecified; N19 Unspecified kidney failure
Associated ICD9-CM codes 584.9 Acute renal failure nos; 586 Renal failure nos; 428.9 Heart failure nos; 038.9 Septicemia nos; 518.81 Acute respiratry failure

Equation: Apache_Score = Rectal_Temp + MAP + HR + RR + Aa_Gradient_or_PO2 + pH_or_HCO3 + Na + K + Creat + Hct + WBC + Glasgow + Age + Chronic_Dx
LOINC of Result: 9264-3 : score
Default Result Unit: points
Allowable Result Units:

Online calculator: Aris birth weight-for-gestational age percentiles, singletons, 22 to 42 weeks gestation
Source file: ArisBirthWeightForGA.eq
EBMcalc Version: 23.3

Equation: Z_Score = ZS

Equation: Percentile = ZtoPercentile(Z_Score)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Radio Button Variable: Parity
Discrete variable option: First-born Variable value: 1
Discrete variable option: Second-born Variable value: 2
Discrete variable option: Third-born (or more) Variable value: 3

Variable: Gestational_Age
LOINC: 18185-9 : wk : 11884-4 : wk : 49052-4 : days : 49051-6 : wk
Default Unit: wks
Allowable Units: wks
Minimum value: 22 wks
Maximum value: 50 wks

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: g
Allowable Units: g
Minimum value: 100 g
Maximum value: 20000 g

Online calculator: Ascites Albumin Gradient
Source file: AscitesAlbGradient.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes K71.51 Toxic liver disease with chronic active hepatitis with ascites; R18.8 Other ascites; R18.0 Malignant ascites; K70.11 Alcoholic hepatitis with ascites; K70.31 Alcoholic cirrhosis of liver with ascites; K65.9 Peritonitis, unspecified; K74.69 Other cirrhosis of liver; K74.60 Unspecified cirrhosis of liver; K74.0 Hepatic fibrosis
Associated ICD9-CM codes 789.5 Ascites; 571.5 Cirrhosis of liver nos; 567.9 Peritonitis nos

Equation: SAAG = Serum_Albumin - Ascites_Albumin
LOINC of Result: 63549-0 : g/dL
Default Result Unit: g/dL_Alb
Allowable Result Units:

Variable: Serum_Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb

Variable: Ascites_Albumin
LOINC: 1749-1 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb

Online calculator: BAP-65 prediction of in-hospital mortality and need for mechanical ventilation in COPD
Source file: BAP65.cc
EBMcalc Version: 12.4
Associated ICD10-CM codes J44.9 Chronic obstructive pulmonary disease, unspecified; J44.0 Chronic obstructive pulmonary disease with acute lower respiratory infection; J44.1 Chronic obstructive pulmonary disease with (acute) exacerbation
Associated ICD9-CM codes 492.8 Emphysema nec; 492 Emphysema; 491.1 Mucopurul chr bronchitis; 491.0 Simple chr bronchitis; 491.2 Obstruct chr bronchitis; 491.20 Obst chr bronch w/o exac

Equation: BAP65_Class = BAP65_Class

Online calculator: Basal Energy Expenditure (Harris-Benedict estimation)
Source file: HarrisBenedict.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories; Z13.21 Encounter for screening for nutritional disorder; E46 Unspecified protein-calorie malnutrition
Associated ICD9-CM codes 263.9 Protein-cal malnutr nos; V77.2 Screen for malnutrition; 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity

Equation: BEE_Females = 655.1 + (9.563 * Weight) + (1.85 * Height) - (4.676 * Age)
Default Result Unit: kcal/day
Allowable Result Units:

Equation: BEE_Males = 66.5 + (13.75 * Weight) + (5.003 * Height) - (6.775 * Age)
Default Result Unit: kcal/day
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Online calculator: Base Excess Determination
Source file: BaseExcess.eq
EBMcalc Version: 11.1
Associated ICD10-CM codes E87.3 Alkalosis; E87.2 Acidosis
Associated ICD9-CM codes 276.2 Acidosis; 276.3 Alkalosis

Equation: Base_Excess = (0.93 * HCO3) + (14.84 * (pH - 7.4)) - 24.4
Default Result Unit: mEq/L
Allowable Result Units:

Variable: HCO3
LOINC: 2028-9 : mmol/L : 1959-6 : mEq/L : 1960-4 : mEq/L : 14627-4 : mEq/L : 1961-2 : mEq/L : 22735-5 : mEq/L : 1963-8 : mEq/L
Default Unit: mEq/L_HCO3
Allowable Units: mEq/L_HCO3

Variable: pH
LOINC: 11558-4 : units : 2753-2 : units : 2744-1 : units : 2745-8 : units : 2746-6 : units
Default Unit: units_pH
Allowable Units: units_pH

Online calculator: Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) in Adults
Source file: BASDAI.cc
EBMcalc Version: 12.4

Equation: BASDAI = ((Q1 + Q2 + Q3 + Q4) + ((Q5 + Q6) / 2)) / 5
Default Result Unit: points
Allowable Result Units:

Online calculator: Bayesian Statistics I MultiCalc
Source file: BayesianAnalysis_1.eq
EBMcalc Version: 8.7

Equation: True_Pos = Sensitivity * Prevalence
Default Result Unit: ratio
Allowable Result Units:

Equation: False_Pos = (1 - Specificity) * (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Equation: True_Neg = Specificity * (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Equation: False_Neg = (1 - Sensitivity) * Prevalence
Default Result Unit: ratio
Allowable Result Units:

Equation: Pos_Pred_Value = 100 * True_Pos / (True_Pos + False_Pos)
Default Result Unit: %
Allowable Result Units:

Equation: Neg_Pred_Value = 100 * True_Neg / (True_Neg + False_Neg)
Default Result Unit: %
Allowable Result Units:

Equation: LR_Pos = Sensitivity / (1-Specificity)
Default Result Unit: ratio
Allowable Result Units:

Equation: LR_Neg = (1-Sensitivity) / Specificity
Default Result Unit: ratio
Allowable Result Units:

Equation: Pre_Test_Odds = Prevalence / (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Odds_Pos = Pre_Test_Odds * LR_Pos
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Prob_Pos = Post_Odds_Pos / (1 + Post_Odds_Pos)
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Odds_Neg = Pre_Test_Odds * LR_Neg
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Prob_Neg = Post_Odds_Neg / (1 + Post_Odds_Neg)
Default Result Unit: ratio
Allowable Result Units:

Equation: False_Pos_Rate = 100 * False_Pos / (False_Pos + True_Neg)
Default Result Unit: %
Allowable Result Units:

Equation: False_Neg_Rate = 100 * False_Neg / (True_Pos + False_Neg)
Default Result Unit: %
Allowable Result Units:

Equation: Overall_Acc = 100 * (True_Pos + True_Neg)
Default Result Unit: %
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Sensitivity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Specificity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: Bayesian Statistics II MultiCalc
Source file: BayesianAnalysis_2.eq
EBMcalc Version: 8.7

Equation: Sensitivity = True_Pos / (True_Pos + False_Neg)
Default Result Unit: fraction
Allowable Result Units:

Equation: Specificity = True_Neg / (True_Neg + False_Pos)
Default Result Unit: fraction
Allowable Result Units:

Equation: Prevalence = (True_Pos + False_Neg) / (True_Pos + True_Neg + False_Pos + False_Neg)
Default Result Unit: fraction
Allowable Result Units:

Equation: Pos_Pred_Value = 100 * True_Pos / (True_Pos + False_Pos)
Default Result Unit: %
Allowable Result Units:

Equation: Neg_Pred_Value = 100 * True_Neg / (True_Neg + False_Neg)
Default Result Unit: %
Allowable Result Units:

Equation: LR_Pos = Sensitivity / (1-Specificity)
Default Result Unit: ratio
Allowable Result Units:

Equation: LR_Neg = (1-Sensitivity) / Specificity
Default Result Unit: ratio
Allowable Result Units:

Equation: Pre_Test_Odds = Prevalence / (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Odds_Pos = Pre_Test_Odds * LR_Pos
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Prob_Pos = Post_Odds_Pos / (1 + Post_Odds_Pos)
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Odds_Neg = Pre_Test_Odds * LR_Neg
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Prob_Neg = Post_Odds_Neg / (1 + Post_Odds_Neg)
Default Result Unit: ratio
Allowable Result Units:

Equation: False_Pos_Rate = 100 * False_Pos / (False_Pos + True_Neg)
Default Result Unit: %
Allowable Result Units:

Equation: False_Neg_Rate = 100 * False_Neg / (True_Pos + False_Neg)
Default Result Unit: %
Allowable Result Units:

Equation: Overall_Acc = 100 * (True_Pos + True_Neg) / (True_Pos + True_Neg + False_Pos + False_Neg)
Default Result Unit: %
Allowable Result Units:

Variable: True_Pos
Default Unit: #
Allowable Units: #

Variable: False_Pos
Default Unit: #
Allowable Units: #

Variable: True_Neg
Default Unit: #
Allowable Units: #

Variable: False_Neg
Default Unit: #
Allowable Units: #

Online calculator: Benefit Increase / Number Needed to Treat Multicalc
Source file: BenefitIncrease.eq
EBMcalc Version: 8.7

Equation: Abs_Benefit_Increase = Control_Event_Rate - Exp_Event_Rate
Default Result Unit: fraction
Allowable Result Units:

Equation: Rel_Benefit_Increase = Abs_Benefit_Increase / Control_Event_Rate
Default Result Unit: fraction
Allowable Result Units:

Equation: NNT = 1 / Abs_Benefit_Increase
Default Result Unit: #
Allowable Result Units:

Variable: Control_Event_Rate
Default Unit: fraction
Allowable Units: fraction

Variable: Exp_Event_Rate
Default Unit: fraction
Allowable Units: fraction

Online calculator: Bicarbonate Deficit
Source file: BicarbDef.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E87.2 Acidosis
Associated ICD9-CM codes 276.2 Acidosis

Equation: BicarbDef = 0.4 * Weight * (24 - HCO3)
Default Result Unit: mEq
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: HCO3
LOINC: 2028-9 : mmol/L : 1959-6 : mEq/L : 1960-4 : mEq/L : 14627-4 : mEq/L : 1961-2 : mEq/L : 22735-5 : mEq/L : 1963-8 : mEq/L
Default Unit: mEq/L_HCO3
Allowable Units: mEq/L_HCO3

Online calculator: Bleeding Risk (any bleeding complication) on Warfarin Therapy
Source file: BleedingRiskOnWarfarinAny.cc
EBMcalc Version: 8.8
Associated ICD9-CM codes 641.30 Coag def hemorr-unspec

Equation: Risk_Score = fixDP((Age_Factor + Sex + Malignacy_Present),1)
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1.3
Discrete variable option: Male Variable value: 0

Radio Button Variable: Malignacy_Present
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 2.2

Online calculator: Bleeding Risk (major complication) on Warfarin Therapy
Source file: BleedingRiskOnWarfarin.cc
EBMcalc Version: 8.8
Associated ICD9-CM codes 641.30 Coag def hemorr-unspec

Equation: Risk_Score = fixDP((Age_Factor + Sex + Malignacy_Present),1)
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1.3
Discrete variable option: Male Variable value: 0

Radio Button Variable: Malignacy_Present
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 2.2

Online calculator: Blood Ethanol Concentration Estimation
Source file: BloodEthanolConc.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes T51.8X2A Toxic effect of other alcohols, intentional self-harm, initial encounter; F10.10 Alcohol abuse, uncomplicated; F10.20 Alcohol dependence, uncomplicated
Associated ICD9-CM codes 303.01 Ac alcohol intox-contin; 303.02 Ac alcohol intox-episod; 303.00 Ac alcohol intox-unspec; E860.0 Acc poisn-alcohol bevrag; E860.0 Acc poison-alcohol nos; 303.90 Alcoh dep nec/nos-unspec; 305.02 Alcohol abuse-episodic; 305.00 Alcohol abuse-unspec; 980.8 Toxic effect alcohol nec; 980.9 Toxic effect alcohol nos

Equation: Blood_Ethanol_Concentration = (Volume_Ingested * Concentration_Ingested * 0.8) / (Weight * 0.6)
Default Result Unit: mg/dL_ETOH
Allowable Result Units:

Variable: Volume_Ingested
Default Unit: mL
Allowable Units: mL

Variable: Concentration_Ingested
Default Unit: Percent Ethanol
Allowable Units: Percent Ethanol
Maximum value: 100 Percent Ethanol

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Blood pressure percentiles, 0 to 17 years (2017 standard)
Source file: BloodPressurePercent2017.eq
EBMcalc Version: 23.3
Associated ICD10-CM codes I10 Essential (primary) hypertension
Associated ICD9-CM codes 401.1 Benign hypertension; 401.9 Hypertension nos

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Maximum value: 17.999 yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Maximum value: 244 cm

Variable: Systolic_BP
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Maximum value: 300 mmHg

Variable: Diastolic_BP
LOINC: 8462-4 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Maximum value: 300 mmHg

Online calculator: Body mass index (BMI) percentiles and Z-scores, females 2 to 20 years (CDC)
Source file: BodyMassIndexGirls.eq
EBMcalc Version: 8.9

Equation: BMI = Weight / power((Height / 100),2)
LOINC of Result: 39156-5 : kg/m^2 : 59576-9 : kg/m^2 : 89270-3 : kg/m^2
Default Result Unit: kg/m²
Allowable Result Units:

Equation: Z_Score = zScoreInterp(LMS_BMA, Age_Months, BMI)

Equation: Percentile = ZtoPercentile(Z_Score)

Equation: BMI_95th_Percentile = M2 * power(((L2 * S2 * 1.645) + 1), (1 / L2))
Default Result Unit: kg/m²
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 2 yr
Maximum value: 20 yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 50 cm
Maximum value: 300 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 5 kg
Maximum value: 300 kg

Online calculator: Body mass index (BMI) percentiles and Z-scores, males 2 to 20 years (CDC)
Source file: BodyMassIndexBoys.eq
EBMcalc Version: 8.9

Equation: BMI = Weight / power((Height / 100),2)
LOINC of Result: 39156-5 : kg/m^2 : 59576-9 : kg/m^2 : 89270-3 : kg/m^2
Default Result Unit: kg/m²
Allowable Result Units:

Equation: Z_Score = zScoreInterp(LMS_BMA, Age_Months, BMI)

Equation: Percentile = ZtoPercentile(Z_Score)

Equation: BMI_95th_Percentile = M2 * power(((L2 * S2 * 1.645) + 1), (1 / L2))
Default Result Unit: kg/m²
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 2 yr
Maximum value: 20 yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 50 cm
Maximum value: 300 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 5 kg
Maximum value: 300 kg

Online calculator: Body Mass Index for Adults (BMI Quetelet's Index)
Source file: BodyMassIndex.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes R63.6 Underweight; R63.5 Abnormal weight gain; R63.4 Abnormal weight loss; Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories
Associated ICD9-CM codes 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity; 783.21 Abnormal loss of weight; 783.1 Abnormal weight gain; 783.22 Underweight

Equation: BMI = (Weight/2.205) / power((Height/39.37), 2)
LOINC of Result: 39156-5 : kg/m^2 : 59576-9 : kg/m^2 : 89270-3 : kg/m^2
Default Result Unit: kg/m²
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: in
Allowable Units: in

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: lb
Allowable Units: lb

Online calculator: Body Mass Index for Adults (BMI Quetelet's Index, Metric)
Source file: BodyMassIndexMetric.eq
EBMcalc Version: 8.7

Equation: BMI = Weight / power((Height/100), 2)
LOINC of Result: 39156-5 : kg/m^2 : 59576-9 : kg/m^2 : 89270-3 : kg/m^2

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 50 cm
Maximum value: 300 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Maximum value: 362.8 kg

Online calculator: Body Surface Area (BSA, Du Bois Method)
Source file: BodySurfaceArea.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes R63.6 Underweight; R63.5 Abnormal weight gain; R63.4 Abnormal weight loss; Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories
Associated ICD9-CM codes 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity; 783.21 Abnormal loss of weight; 783.1 Abnormal weight gain; 783.22 Underweight

Equation: BSA = 0.007184 * power(Height, 0.725) * power(Weight, 0.425)
Default Result Unit: sqm
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Body Surface Area (BSA, Gehan and George Method)
Source file: BodySurfaceAreaGG.eq
EBMcalc Version: 11.2
Associated ICD10-CM codes R63.6 Underweight; R63.5 Abnormal weight gain; R63.4 Abnormal weight loss; Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories
Associated ICD9-CM codes 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity; 783.21 Abnormal loss of weight; 783.1 Abnormal weight gain; 783.22 Underweight

Equation: BSA = 0.0235 * power(Height, 0.42246) * power(Weight, 0.51456)
Default Result Unit: sqm
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Body Surface Area (BSA, Mosteller, square root method)
Source file: BodySurfaceArea_SR.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes R63.6 Underweight; R63.5 Abnormal weight gain; R63.4 Abnormal weight loss; Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories
Associated ICD9-CM codes 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity; 783.21 Abnormal loss of weight; 783.1 Abnormal weight gain; 783.22 Underweight

Equation: BSA = sqr(Height * Weight / 3600)
Default Result Unit: sqm
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Body Surface Area Based Dosing
Source file: BSABasedDosing.eq
EBMcalc Version: 8.7

Equation: BSA_Dubois = 0.007184 * power(Height, 0.725) * power(Weight, 0.425)
Default Result Unit: m(2)
Allowable Result Units:

Equation: BSA_Mosteller = sqr(Height * Weight / 3600)
Default Result Unit: m(2)
Allowable Result Units:

Equation: BSA = Selected_BSA
Default Result Unit: mg/m(2)
Allowable Result Units:

Equation: Dose = Selected_BSA * BSA_Based_Dose
Default Result Unit: mg
Allowable Result Units:

Variable: BSA_Based_Dose
Default Unit: mg/m(2)
Allowable Units: mg/m(2)

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Radio Button Variable: BSA_Formula
Discrete variable option: *Dubois Variable value: 1
Discrete variable option: Mosteller Variable value: 2

Online calculator: Breast cancer risk assessment by Gail Model (2018)
Source file: Gail2018.cc
EBMcalc Version: 22.3

Equation: LogRR= (NBiop * NB_data[REN_Beta]) + (AgeMen * AM_data[REN_Beta]) + (Age1st * AF_data[REN_Beta]) + (NRels * NR_data[REN_Beta]) + (Age1st * NRels * AFNR_data[REN_Beta]) + HyperPlasia

Equation: LogRR50 = LogRR + (NBiop * A50NB_data[REN_Beta])

Equation: RRisk = eTo(LogRR)

Equation: RRisk50 = eTo(LogRR50)

Equation: R5AVG = R5A
Default Result Unit: %
Allowable Result Units:

Equation: RLAVG = RLA
Default Result Unit: %
Allowable Result Units:

Equation: Risk5 = absRisk(Age, Age + 5, REN, REN_Beta, RRisk, RRisk50, 0)
Default Result Unit: %
Allowable Result Units:

Equation: RiskLife = absRisk(Age, 90, REN, REN_Beta, RRisk, RRisk50, 0)
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 20 yr
Maximum value: 85 yr

Radio Button Variable: NBiop
Discrete variable option: No biopsies Variable value: 0
Discrete variable option: 1 biopsy Variable value: 1
Discrete variable option: 2 or more biopsies Variable value: 2
Discrete variable option: Unknown Variable value: 0

Radio Button Variable: HyperPlasia
Discrete variable option: No Variable value: -0.0725707
Discrete variable option: Yes Variable value: 0.5988365
Discrete variable option: Unknown Variable value: 0

Radio Button Variable: AgeMen
Discrete variable option: 7 to 11 years old Variable value: 2
Discrete variable option: 12 to 13 years old Variable value: 1
Discrete variable option: 14 years or older Variable value: 0
Discrete variable option: Unknown Variable value: 0

Radio Button Variable: Age1st
Discrete variable option: <20 years old Variable value: 0
Discrete variable option: 20 to 24 years old Variable value: 1
Discrete variable option: 25 to 29 years old Variable value: 2
Discrete variable option: 30 or more years old Variable value: 3
Discrete variable option: Nulliparous Variable value: 2
Discrete variable option: Unknown Variable value: 0

Radio Button Variable: NRels
Discrete variable option: None Variable value: 0
Discrete variable option: 1 relative Variable value: 1
Discrete variable option: 2 or more relatives Variable value: 2
Discrete variable option: Unknown Variable value: 0

Online calculator: Breast cancer risk assessment incorporating breast density (BCSC 2015)
Source file: BCSC.cc
EBMcalc Version: 22.3

Equation: Risk5 = risk5
Default Result Unit: %
Allowable Result Units:

Equation: Risk10 = risk10
Default Result Unit: %
Allowable Result Units:

Equation: R5AVG = risk5avg
Default Result Unit: %
Allowable Result Units:

Equation: R10AVG = risk10avg
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 35 yr
Maximum value: 74.9999 yr

Radio Button Variable: Rels
Discrete variable option: None Variable value: 0
Discrete variable option: 1 or more Variable value: 1
Discrete variable option: Unknown Variable value: -1

Radio Button Variable: Biopsy
Discrete variable option: No biopsies Variable value: 2
Discrete variable option: Biopsies with unknown diagnosis Variable value: 3
Discrete variable option: Non-proliferative lesions Variable value: 4
Discrete variable option: Proliferative changes, no atypia Variable value: 5
Discrete variable option: Proliferative changes and atypia Variable value: 6
Discrete variable option: Lobular carcinoma in situ (LCIS) Variable value: 7

Radio Button Variable: Den
Discrete variable option: Almost entirely fatty Variable value: 1
Discrete variable option: Scattered fibroglandular densities Variable value: 2
Discrete variable option: Heterogeneously dense Variable value: 3
Discrete variable option: Extremely dense Variable value: 4

Online calculator: Burn Injury Fluid Resuscitation (Brooke estimate)
Source file: BurnInjuryFluidBrooke.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes T30.0 Burn of unspecified body region, unspecified degree
Associated ICD9-CM codes 949.0 Burn nos

Equation: Lactated_Ringers = 1.5 * Weight * Percent_Burn / 24
Default Result Unit: mL/hr
Allowable Result Units:

Equation: Colloid = 0.5 * Weight * Percent_Burn / 24
Default Result Unit: mL/hr
Allowable Result Units:

Equation: D5W = 2000 / 24
Default Result Unit: mL/hr
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Percent_Burn
Default Unit: %
Allowable Units: %
Minimum value: 1 %
Maximum value: 100 %

Online calculator: Burn Injury Fluid Resuscitation (Demling dextran estimate)
Source file: BurnInjuryFluidDextran.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes T30.0 Burn of unspecified body region, unspecified degree
Associated ICD9-CM codes 949.0 Burn nos

Equation: Dextran40_in_Saline = 2 * Weight
Default Result Unit: mL/hr
Allowable Result Units:

Equation: Fresh_Frozen_Plasma = 0.5 * Weight
Default Result Unit: mL/hr
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Burn Injury Fluid Resuscitation (Evans estimate)
Source file: BurnInjuryFluidEvans.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes T30.0 Burn of unspecified body region, unspecified degree
Associated ICD9-CM codes 949.0 Burn nos

Equation: Normal_Saline = Weight * Percent_Burn / 24
Default Result Unit: mL/hr
Allowable Result Units:

Equation: Colloid = Weight * Percent_Burn / 24
Default Result Unit: mL/hr
Allowable Result Units:

Equation: D5W = 2000 / 24
Default Result Unit: mL/hr
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Percent_Burn
Default Unit: %
Allowable Units: %
Minimum value: 1 %
Maximum value: 100 %

Online calculator: Burn Injury Fluid Resuscitation (Modified Brooke crystalloid estimate)
Source file: BurnInjuryFluidModifiedBrooke.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes T30.0 Burn of unspecified body region, unspecified degree
Associated ICD9-CM codes 949.0 Burn nos

Equation: Lactated_Ringers = 2 * Weight * Percent_Burn / 24
Default Result Unit: mL/hr
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Percent_Burn
Default Unit: %
Allowable Units: %
Minimum value: 1 %
Maximum value: 100 %

Online calculator: Burn Injury Fluid Resuscitation (Slater estimate)
Source file: BurnInjuryFluidSlater.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes T30.0 Burn of unspecified body region, unspecified degree
Associated ICD9-CM codes 949.0 Burn nos

Equation: Lactated_Ringers = 2000 / 24
Default Result Unit: mL/hr
Allowable Result Units:

Equation: Fresh_Frozen_Plasma = 75 * Weight / 36
Default Result Unit: mL/hr
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Burn Injury Fluid Resuscitation, Adult (Parkland crystalloid estimate)
Source file: BurnInjuryFluidParkland.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes T30.0 Burn of unspecified body region, unspecified degree
Associated ICD9-CM codes 949.0 Burn nos

Equation: Total_Crystalloid_For_First_24_Hours = 4 * Weight * Percent_Nonsuperficial_Burn_Area
Default Result Unit: mL
Allowable Result Units:

Equation: Rate_First_8_Hours = Total_Crystalloid_For_First_24_Hours / 16
Default Result Unit: mL/hr
Allowable Result Units:

Equation: Rate_Next_16_Hours = Total_Crystalloid_For_First_24_Hours / 32
Default Result Unit: mL/hr
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Percent_Nonsuperficial_Burn_Area
Default Unit: %
Allowable Units: %
Minimum value: 1 %
Maximum value: 100 %

Online calculator: Calcium Correction in Hypoalbuminemia (SI units)
Source file: CalciumAlbumin_SI.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E83.51 Hypocalcemia; E83.52 Hypercalcemia; Z13.21 Encounter for screening for nutritional disorder; E46 Unspecified protein-calorie malnutrition
Associated ICD9-CM codes 275.41 Hypocalcemia; 275.42 Hypercalcemia; 263.9 Protein-cal malnutr nos; V77.2 Screen for malnutrition

Equation: Ca = Serum_Ca + 0.02 * (Normal_Albumin - Patient_Albumin)
LOINC of Result: 17861-6 : mg/dL : 38250-7 : mg/dL : 2000-8 : mmol/L
Default Result Unit: mmol/L_Ca
Allowable Result Units:

Variable: Serum_Ca
LOINC: 17861-6 : mg/dL : 38250-7 : mg/dL : 2000-8 : mmol/L
Default Unit: mmol/L_Ca
Allowable Units: mmol/L_Ca

Radio Button Variable: Normal_Albumin
Discrete variable option: 40 g/L Variable value: 40
Discrete variable option: 44 g/L Variable value: 44

Variable: Patient_Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/L_Alb
Allowable Units: g/L_Alb

Online calculator: Calcium Correction in Hypoalbuminemia
Source file: CalciumAlbumin.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E83.51 Hypocalcemia; E83.52 Hypercalcemia; Z13.21 Encounter for screening for nutritional disorder; E46 Unspecified protein-calorie malnutrition
Associated ICD9-CM codes 275.41 Hypocalcemia; 275.42 Hypercalcemia; 263.9 Protein-cal malnutr nos; V77.2 Screen for malnutrition

Equation: Ca = Serum_Ca + 0.8 * (Normal_Albumin - Patient_Albumin)
LOINC of Result: 17861-6 : mg/dL : 38250-7 : mg/dL : 2000-8 : mmol/L
Default Result Unit: mg/dL_Ca
Allowable Result Units:

Variable: Serum_Ca
LOINC: 17861-6 : mg/dL : 38250-7 : mg/dL : 2000-8 : mmol/L
Default Unit: mg/dL_Ca
Allowable Units: mg/dL_Ca

Radio Button Variable: Normal_Albumin
Discrete variable option: 4 g/dL Variable value: 4
Discrete variable option: 4.4 g/dL Variable value: 4.4

Variable: Patient_Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb

Online calculator: Calorie Requirements for Weight Maintenance and Weight Loss in Adult Females (Patient information)
Source file: CalorieCount_F.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes Z13.21 Encounter for screening for nutritional disorder; E46 Unspecified protein-calorie malnutrition; E44.0 Moderate protein-calorie malnutrition; E44.1 Mild protein-calorie malnutrition; Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories
Associated ICD9-CM codes 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity; 263.1 Malnutrition mild degree; 263.0 Malnutrition mod degree; 263.8 Protein-cal malnutr nec; 263.9 Protein-cal malnutr nos; V77.2 Screen for malnutrition

Equation: For_Weight_Maintenance = Weight * Activity_Level / 2.2
Default Result Unit: Calories Per Day
Allowable Result Units:

Equation: For_Weight_Loss = For_Weight_Maintenance - 500
Default Result Unit: Calories Per Day
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: lb
Allowable Units: lb

Radio Button Variable: Activity_Level
Discrete variable option: Sedentary: Daily activity (bathing, doing laundry, etc.). No deliberate exercise. Variable value: 30
Discrete variable option: Light activity: Daily activity, plus walking around the house or office (approx. 4,000 steps) or light housework (cooking, cleaning.) Variable value: 35
Discrete variable option: Moderate activity: Daily activity, plus fast walking, water aerobics, Pilates, or the equivalent 3 to 5 days a week. Variable value: 37
Discrete variable option: Heavy activity: Daily activity, plus moderate to vigorous activity most days of the week (such as running, tennis, basketball, squash.) Variable value: 44
Discrete variable option: Exceptional activity: Daily activity, plus rigorous training most days of the week (such as professional sports, marathons, etc.) Variable value: 51

Online calculator: Calorie Requirements for Weight Maintenance and Weight Loss in Adult Males (Patient information)
Source file: CalorieCount_M.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes Z13.21 Encounter for screening for nutritional disorder; E46 Unspecified protein-calorie malnutrition; E44.0 Moderate protein-calorie malnutrition; E44.1 Mild protein-calorie malnutrition; Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories
Associated ICD9-CM codes 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity; 263.1 Malnutrition mild degree; 263.0 Malnutrition mod degree; 263.8 Protein-cal malnutr nec; 263.9 Protein-cal malnutr nos; V77.2 Screen for malnutrition

Equation: For_Weight_Maintenance = Weight * Activity_Level / 2.2
Default Result Unit: Calories Per Day
Allowable Result Units:

Equation: For_Weight_Loss = For_Weight_Maintenance - 500
Default Result Unit: Calories Per Day
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: lb
Allowable Units: lb

Radio Button Variable: Activity_Level
Discrete variable option: Sedentary: Daily activity (bathing, doing laundry, etc.). No deliberate exercise. Variable value: 31
Discrete variable option: Light activity: Daily activity, plus walking around the house or office (approx. 4,000 steps) or light housework (cooking, cleaning.) Variable value: 38
Discrete variable option: Moderate activity: Daily activity, plus fast walking, water aerobics, Pilates, or the equivalent 3 to 5 days a week. Variable value: 41
Discrete variable option: Heavy activity: Daily activity, plus moderate to vigorous activity most days of the week (such as running, tennis, basketball, squash.) Variable value: 50
Discrete variable option: Exceptional activity: Daily activity, plus rigorous training most days of the week (such as professional sports, marathons, etc.) Variable value: 58

Online calculator: Carbon Dioxide Production
Source file: CO2Prod.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E88.9 Metabolic disorder, unspecified
Associated ICD9-CM codes 277.9 Metabolism disorder nos; 277.8 Metabolism disorder nec

Equation: VCO2 = VExp * ( FECO2 - FICO2 )
Default Result Unit: mL/min
Allowable Result Units:

Variable: VExp
Default Unit: mL/min
Allowable Units: mL/min

Variable: FECO2
Default Unit: fraction
Allowable Units: fraction

Variable: FICO2
Default Unit: fraction
Allowable Units: fraction

Online calculator: Cardiac Output MultiCalc
Source file: CardiacOutput_MC.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes I50.1 Left ventricular failure; I50.9 Heart failure, unspecified
Associated ICD9-CM codes 428.0 Chf nos; 428.9 Heart failure nos; 428.1 Left heart failure

Equation: Cardiac_Output = O2_Consumption / (Arterial_O2_Content - Venous_O2_Content)
Default Result Unit: L/min
Allowable Result Units:

Equation: Body_Surface_Area = 0.007184 * power(Height, 0.725) * power(Weight, 0.425)
Default Result Unit: sqm
Allowable Result Units:

Equation: Cardiac_Index = Cardiac_Output / Body_Surface_Area
Default Result Unit: index
Allowable Result Units:

Equation: Stroke_Volume = 1000 * Cardiac_Output / Heart_Rate
Default Result Unit: mL
Allowable Result Units:

Equation: Stroke_Index = Stroke_Volume / Body_Surface_Area
Default Result Unit: mL/sqm
Allowable Result Units:

Variable: O2_Consumption
LOINC: 60842-2 : mL/min
Default Unit: mL/min_O2Consump
Allowable Units: mL/min_O2Consump

Variable: Arterial_O2_Content~OxygenContentArterial.eq~CaO2_param
Default Unit: mL/L_CaO2
Allowable Units: mL/L_CaO2

Variable: Venous_O2_Content~OxygenContentVenous.eq~CvO2_param
Default Unit: mL/L_CvO2
Allowable Units: mL/L_CvO2

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Cardiac Output Using Oxygen Saturation Data Only
Source file: CardiacOutputSimplified.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes I50.1 Left ventricular failure; I50.9 Heart failure, unspecified
Associated ICD9-CM codes 428.0 Chf nos; 428.9 Heart failure nos; 428.1 Left heart failure

Equation: Cardiac_Output = O2_Consumption / (0.134 * Hgb * (SaO2 - SvO2))
Default Result Unit: L/min
Allowable Result Units:

Variable: O2_Consumption
LOINC: 60842-2 : mL/min
Default Unit: mL/min_O2Consump
Allowable Units: mL/min_O2Consump

Variable: Hgb
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL

Variable: SaO2
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %

Variable: SvO2
LOINC: 51731-8 : %
Default Unit: %
Allowable Units: %

Online calculator: Cardiac Output
Source file: CardiacOutput.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes I50.1 Left ventricular failure; I50.9 Heart failure, unspecified
Associated ICD9-CM codes 428.0 Chf nos; 428.9 Heart failure nos; 428.1 Left heart failure

Equation: CaO2 = ( Hgb * 13.4 * O2Sat / 100 ) + ( PaO2 * 0.031 )
LOINC of Result: 59274-1 : mL/dL
Default Result Unit: mL/L_CaO2
Allowable Result Units:

Equation: CvO2 = ( Hgb * 13.4 * O2vSat / 100 ) + ( PvO2 * 0.031 )
LOINC of Result: 64798-2 : mL/dL
Default Result Unit: mL/L_CvO2
Allowable Result Units:

Equation: Cardiac_Output = O2_Consumption / (CaO2 - CvO2)
Default Result Unit: L/min
Allowable Result Units:

Variable: O2_Consumption
LOINC: 60842-2 : mL/min
Default Unit: mL/min_O2Consump
Allowable Units: mL/min_O2Consump

Variable: Hgb
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL

Variable: O2Sat
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %

Variable: PaO2
LOINC: 11556-8 : mmHg : 2703-7 : mmHg : 19254-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: O2vSat
LOINC: 51731-8 : %
Default Unit: %
Allowable Units: %

Variable: PvO2
LOINC: 2705-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: Cardiovascular Risk Assessment (10-year, ACC/AHA PCE: Pooled Cohort Equations)
Source file: ACCAHA2013.cc
EBMcalc Version: 13.4
Associated ICD10-CM codes I25.84 Coronary atherosclerosis due to calcified coronary lesion; E78.5 Hyperlipidemia, unspecified; E78.4 Other hyperlipidemia; E78.2 Mixed hyperlipidemia; I10 Essential (primary) hypertension; I67.2 Cerebral atherosclerosis
Associated ICD9-CM codes 434.0 Cerebral thrombosis; 437.0 Cerebral atherosclerosis; 401 Essential hypertension; 401.1 Benign hypertension; 272.2 Mixed hyperlipidemia; 272.4 Hyperlipidemia nec/nos; 414.0 Coronary atherosclerosis; 414.4 Coronary atherosclerosis

Equation: Terms = (C_Age * ln(Age)) + (C_Sq_Age * power(ln(Age),2)) + (C_Total_Chol * ln(Total_Cholesterol)) + (C_Age_Total_Chol * ln(Age) * ln(Total_Cholesterol)) + (C_HDL_Chol * ln(HDL_Cholesterol)) + (C_Age_HDL_Chol * ln(Age) * ln(HDL_Cholesterol)) + (On_Hypertension_Med * C_On_Hypertension_Meds * ln(Systolic_Blood_Pressure)) + (On_Hypertension_Med * C_Age_On_Hypertension_Meds * ln(Age) * ln(Systolic_Blood_Pressure)) + (!On_Hypertension_Med * C_Off_Hypertension_Meds * ln(Systolic_Blood_Pressure)) + (!On_Hypertension_Med * C_Age_Off_Hypertension_Meds * ln(Age) * ln(Systolic_Blood_Pressure)) + (C_Smoker * Smoker) + (C_Age_Smoker * ln(Age) * Smoker) + (C_Diabetes * Diabetes)
Default Result Unit: logit
Allowable Result Units:

Equation: ACC_AHA_10_Yr_Risk = 100 * (1 - power(S10, eTo(Terms - Mean_Terms)))
LOINC of Result: 79423-0 : %
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Race
Discrete variable option: American Indian or Alaska Native Variable value: 1
Discrete variable option: Asian Variable value: 1
Discrete variable option: Black or African American Variable value: 0
Discrete variable option: Native Hawaiian or Other Pacific Islander Variable value: 1
Discrete variable option: White Variable value: 1

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 20 yr
Maximum value: 79 yr

Variable: Total_Cholesterol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol
Minimum value: 130 mg/dL_Chol
Maximum value: 320 mg/dL_Chol

Variable: HDL_Cholesterol
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol
Minimum value: 20 mg/dL_Chol
Maximum value: 100 mg/dL_Chol

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Minimum value: 90 mmHg
Maximum value: 200 mmHg

Radio Button Variable: On_Hypertension_Med
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Diabetes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Smoker
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: Cardiovascular Risk Assessment (10-year, MESA 2015, with or without CAC score)
Source file: MESA.cc
EBMcalc Version: 13.4
Associated ICD10-CM codes I25.84 Coronary atherosclerosis due to calcified coronary lesion; E78.5 Hyperlipidemia, unspecified; E78.4 Other hyperlipidemia; E78.2 Mixed hyperlipidemia; I10 Essential (primary) hypertension; I67.2 Cerebral atherosclerosis
Associated ICD9-CM codes 434.0 Cerebral thrombosis; 437.0 Cerebral atherosclerosis; 401 Essential hypertension; 401.1 Benign hypertension; 272.2 Mixed hyperlipidemia; 272.4 Hyperlipidemia nec/nos; 414.0 Coronary atherosclerosis; 414.4 Coronary atherosclerosis

Equation: Terms = (Age * 0.0455) + (Sex * 0.7496) + ((Race == 1?1:0) * -0.2111) + ((Race == 2?1:0) * -0.5055) + ((Race == 3?1:0) * -0.19) + (Diabetes * 0.5168) + (Smoker * 0.4732) + (Total_Cholesterol * 0.0053) - (HDL_Cholesterol * 0.0140) + (On_Lipid_Lowering_Med * 0.2473) + (Systolic_Blood_Pressure * 0.0085) + (On_Hypertension_Med * 0.3381) + (Family_History_MI * 0.4522)

Equation: Ten_Year_Risk = 100 * (1 - power(0.99963, eTo(Terms)))
Default Result Unit: %
Allowable Result Units:

Equation: Terms_CAC = (Age * 0.0172) + (Sex * 0.4079) + ((Race == 1?1:0) * 0.0353) + ((Race == 2?1:0) * -0.3475) + ((Race == 3?1:0) * -0.0222) + (Diabetes * 0.3892) + (Smoker * 0.3717) + (Total_Cholesterol * 0.0043) - (HDL_Cholesterol * 0.0114) + (On_Lipid_Lowering_Med * 0.1206) + (Systolic_Blood_Pressure * 0.0066) + (On_Hypertension_Med * 0.2278) + (Family_History_MI * 0.3239) + (ln(CAC + 1) * 0.2743)

Equation: Ten_Year_Risk_CAC = 100 * (1 - power(0.99833, eTo(Terms_CAC)))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Race
Discrete variable option: Black or African American Variable value: 1
Discrete variable option: Chinese American Variable value: 2
Discrete variable option: Hispanic Variable value: 3
Discrete variable option: Non-Hispanic white Variable value: 4

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 1

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 45 yr
Maximum value: 85 yr

Variable: Total_Cholesterol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol
Minimum value: 100 mg/dL_Chol
Maximum value: 500 mg/dL_Chol

Variable: HDL_Cholesterol
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol
Minimum value: 10 mg/dL_Chol
Maximum value: 200 mg/dL_Chol

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Minimum value: 95 mmHg
Maximum value: 300 mmHg

Radio Button Variable: On_Hypertension_Med
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: On_Lipid_Lowering_Med
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Diabetes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Smoker
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Family_History_MI
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: CAC
Default Unit: Agatston units
Allowable Units: Agatston units

Online calculator: Cardiovascular Risk Assessment (10-year, Revised Pooled Cohort Equations 2018)
Source file: CVRiskRevised2018.cc
EBMcalc Version: 18.4

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 20 yr
Maximum value: 79 yr

Radio Button Variable: Race
Discrete variable option: American Indian or Alaska Native Variable value: 0
Discrete variable option: Asian Variable value: 0
Discrete variable option: Black or African American Variable value: 1
Discrete variable option: Native Hawaiian or Other Pacific Islander Variable value: 0
Discrete variable option: White Variable value: 0

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Chol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol
Minimum value: 130 mg/dL_Chol
Maximum value: 320 mg/dL_Chol

Variable: HDL
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mg/dL_HDL
Allowable Units: mg/dL_HDL
Minimum value: 20 mg/dL_HDL
Maximum value: 100 mg/dL_HDL

Variable: SBP
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Minimum value: 90 mmHg
Maximum value: 200 mmHg

Radio Button Variable: On_Hypertension_Med
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Diabetes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Smoker
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Equation: Logit_Female = -12.823110 + (0.106501 * Age) + (0.432440 * Race) + (0.000056 * power(SBP, 2)) + (0.017666 * SBP) + (0.731678 * On_Hypertension_Med) + (0.943970 * Diabetes) + (1.009790 * Smoker) + (0.151318 * (Chol / HDL)) + (-0.008580 * Age * Race) + (-0.003647 * SBP * On_Hypertension_Med) + (0.006208 * SBP * Race) + (0.152968 * Race * On_Hypertension_Med) + (-0.000153 * Age * SBP) + (0.115232 * Race * Diabetes) + (-0.092231 * Race * Smoker) + (0.070498 * Race * (Chol / HDL)) + (-0.000173 * Race * SBP * On_Hypertension_Med) + (-0.000094 * Age * SBP * Race)
Default Result Unit: logit
Allowable Result Units:

Equation: Risk_Female = 100 / (1 + eTo(- Logit_Female))
Default Result Unit: %
Allowable Result Units:

Equation: Logit_Male = -11.679980 + (0.064200 * Age) + (0.482835 * Race) + (-0.000061 * power(SBP, 2)) + (0.038950 * SBP) + (2.055533 * On_Hypertension_Med) + (0.842209 * Diabetes) + (0.895589 * Smoker) + (0.193307 * Chol / HDL) + (-0.014207 * SBP * On_Hypertension_Med) + (0.011609 * SBP * Race) + (-0.119460 * On_Hypertension_Med * Race) + (0.000025 * Age * SBP) + (-0.077214 * Race * Diabetes) + (-0.226771 * Race * Smoker) + (-0.117749 * Race * Chol / HDL) + (0.004190 * Race * On_Hypertension_Med * SBP) + (-0.000199 * Race * Age * SBP)
Default Result Unit: logit
Allowable Result Units:

Equation: Risk_Male = 100 / (1 + eTo(- Logit_Male))
Default Result Unit: %
Allowable Result Units:

Equation: Risk = (Math.abs(Sex == 1) * Risk_Female) + (Math.abs(Sex == 2) * Risk_Male)
Default Result Unit: %
Allowable Result Units:

Online calculator: Cardiovascular Risk Assessment in Adult Females (10-year risk, Framingham 2008)
Source file: Framingham08_F.cc
EBMcalc Version: 8.9
Associated ICD10-CM codes I25.84 Coronary atherosclerosis due to calcified coronary lesion; E78.5 Hyperlipidemia, unspecified; E78.4 Other hyperlipidemia; E78.2 Mixed hyperlipidemia; I10 Essential (primary) hypertension
Associated ICD9-CM codes 401 Essential hypertension; 401.1 Benign hypertension; 272.2 Mixed hyperlipidemia; 272.4 Hyperlipidemia nec/nos; 414.0 Coronary atherosclerosis; 414.4 Coronary atherosclerosis

Equation: Risk_Factors = (ln(Age) * 2.32888) + (ln(Total_Cholesterol) * 1.20904) - (ln(HDL_Cholesterol) * 0.70833) + (ln(Systolic_Blood_Pressure) * On_Hypertension_Med) + Smoker + Diabetes - 26.1931

Equation: Risk = 100 * (1 - power(0.95012, eTo(Risk_Factors)))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 30 yr
Maximum value: 74 yr

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Total_Cholesterol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol

Variable: HDL_Cholesterol
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mg/dL_HDL
Allowable Units: mg/dL_HDL

Radio Button Variable: On_Hypertension_Med
Discrete variable option: No Variable value: 2.76157
Discrete variable option: Yes Variable value: 2.82263

Radio Button Variable: Smoker
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.52873

Radio Button Variable: Diabetes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.69154

Online calculator: Cardiovascular Risk Assessment in Adult Females (10-year, Reynolds Risk Score 2007)
Source file: ReynoldsScore_F.cc
EBMcalc Version: 12.4
Associated ICD10-CM codes I25.84 Coronary atherosclerosis due to calcified coronary lesion; E78.5 Hyperlipidemia, unspecified; E78.4 Other hyperlipidemia; E78.2 Mixed hyperlipidemia; I10 Essential (primary) hypertension
Associated ICD9-CM codes 401 Essential hypertension; 401.1 Benign hypertension; 272.2 Mixed hyperlipidemia; 272.4 Hyperlipidemia nec/nos; 414.0 Coronary atherosclerosis; 414.4 Coronary atherosclerosis

Equation: Terms = (0.0799 * Age) + (3.137 * ln(Systolic_Blood_Pressure)) + (1.382 * ln(Total_Cholesterol)) - (1.172 * ln(HDL_Cholesterol)) + (0.818 * Smoker) + (0.180 * ln(HS_CRP)) + (0.438 * Premature_Parental_MI) - 22.325
Default Result Unit: logit
Allowable Result Units:

Equation: Ten_Year_Risk = 100 * (1 - power(0.98634, eTo(Terms)))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Total_Cholesterol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol

Variable: HDL_Cholesterol
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mg/dL_HDL
Allowable Units: mg/dL_HDL

Variable: HS_CRP
LOINC: 1988-5 : mg/L : 30522-7 : mg/L : 71426-1 : mg/L : 76486-0 : nmol/L
Default Unit: mg/L_HSCRP
Allowable Units: mg/L_HSCRP

Radio Button Variable: Smoker
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Premature_Parental_MI
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: Cardiovascular Risk Assessment in Adult Males (10-year risk, Framingham 2008)
Source file: Framingham08_M.cc
EBMcalc Version: 8.9
Associated ICD10-CM codes I25.84 Coronary atherosclerosis due to calcified coronary lesion; E78.5 Hyperlipidemia, unspecified; E78.4 Other hyperlipidemia; E78.2 Mixed hyperlipidemia; I10 Essential (primary) hypertension
Associated ICD9-CM codes 401 Essential hypertension; 401.1 Benign hypertension; 272.2 Mixed hyperlipidemia; 272.4 Hyperlipidemia nec/nos; 414.0 Coronary atherosclerosis; 414.4 Coronary atherosclerosis

Equation: Risk_Factors = (ln(Age) * 3.06117) + (ln(Total_Cholesterol) * 1.12370) - (ln(HDL_Cholesterol) * 0.93263) + (ln(Systolic_Blood_Pressure) * On_Hypertension_Med) + Smoker + Diabetes - 23.9802

Equation: Risk = 100 * (1 - power(0.88936, eTo(Risk_Factors)))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 30 yr
Maximum value: 74 yr

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Minimum value: 90 mmHg
Maximum value: 300 mmHg

Variable: Total_Cholesterol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol

Variable: HDL_Cholesterol
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mg/dL_HDL
Allowable Units: mg/dL_HDL

Radio Button Variable: On_Hypertension_Med
Discrete variable option: No Variable value: 1.93303
Discrete variable option: Yes Variable value: 1.99881

Radio Button Variable: Smoker
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.65451

Radio Button Variable: Diabetes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.57367

Online calculator: Cardiovascular Risk Assessment in Adult Males (10-year, Reynolds Risk Score 2008)
Source file: ReynoldsScore_M.cc
EBMcalc Version: 12.4
Associated ICD10-CM codes I25.84 Coronary atherosclerosis due to calcified coronary lesion; E78.5 Hyperlipidemia, unspecified; E78.4 Other hyperlipidemia; E78.2 Mixed hyperlipidemia; I10 Essential (primary) hypertension
Associated ICD9-CM codes 401 Essential hypertension; 401.1 Benign hypertension; 272.2 Mixed hyperlipidemia; 272.4 Hyperlipidemia nec/nos; 414.0 Coronary atherosclerosis; 414.4 Coronary atherosclerosis

Equation: Terms = (4.385 * ln(Age)) + (2.607 * ln(Systolic_Blood_Pressure)) + (0.963 * ln(Total_Cholesterol)) - (0.772 * ln(HDL_Cholesterol)) + (0.405 * Smoker) + (0.102 * ln(HS_CRP)) + (0.541 * Premature_Parental_MI) - 33.097
Default Result Unit: logit
Allowable Result Units:

Equation: Ten_Year_Risk = 100 * (1 - power(0.8990, eTo(Terms)))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Total_Cholesterol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol

Variable: HDL_Cholesterol
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mg/dL_HDL
Allowable Units: mg/dL_HDL

Variable: HS_CRP
LOINC: 1988-5 : mg/L : 30522-7 : mg/L : 71426-1 : mg/L : 76486-0 : nmol/L
Default Unit: mg/L_HSCRP
Allowable Units: mg/L_HSCRP

Radio Button Variable: Smoker
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Premature_Parental_MI
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: Cardiovascular Risk Assessment in Type I Diabetes (5-year)
Source file: CVDinDM1.cc
EBMcalc Version: 13.1
Associated ICD10-CM codes E10.9 Type 1 diabetes mellitus without complications; I25.10 Atherosclerotic heart disease of native coronary artery without angina pectoris; I25.84 Coronary atherosclerosis due to calcified coronary lesion
Associated ICD9-CM codes 414.4 Coronary atherosclerosis; 429.2 Cardiovasclr disease nos; 250.9 Diabetes w complic nos; 250 Diabetes mellitus; 250.01 Diabetes uncompl type i

Equation: Terms = (0.08426 * (DM_Duration - 28.014)) + (0.04742 * (Age - DM_Duration - 16.601)) + (0.80050 * (ln(Total_Cholesterol / HDL_Cholesterol) - 1.1470)) + (1.27275 * (ln(HbA1C_DCCT) - 2.065)) + (1.20050 * (ln(Systolic_Blood_Pressure) - 4.8598)) + (0.56688 * (Smoker - 0.1483)) + (0.41995 * (Macroalbuminuria - 0.1237)) + (1.25506 * (Prior_CVD - 0.0612))
Default Result Unit: logit
Allowable Result Units:

Equation: CVD_5_Year_Risk = 100 * (1 - power(0.97136, eTo(Terms)))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: DM_Duration
Default Unit: yr
Allowable Units: yr

Variable: Total_Cholesterol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol

Variable: HDL_Cholesterol
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol

Variable: HbA1C_DCCT
LOINC: 4548-4 : % : 17855-8 : % : 4549-2 : % : 17856-6 : % : 62388-4 : % : 71875-9 : % : 59261-8 : mmol/mol
Default Unit: %_HbA1C
Allowable Units: %_HbA1C

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Radio Button Variable: Smoker
Discrete variable option: Yes Variable value: 1
Discrete variable option: No Variable value: 0

Radio Button Variable: Macroalbuminuria
Discrete variable option: Yes Variable value: 1
Discrete variable option: No Variable value: 0

Radio Button Variable: Prior_CVD
Discrete variable option: Yes Variable value: 1
Discrete variable option: No Variable value: 0

Online calculator: CDC height-for-age percentiles for females, 2 to 20 years
Source file: CDCHeightForAgeGirls.eq
EBMcalc Version: 8.9

Equation: Z_Score = zScoreInterp(LMS_HA, Age_Months, Height)

Equation: Percentile = ZtoPercentile(Z_Score)

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 2 yr
Maximum value: 20 yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 20 cm
Maximum value: 300 cm

Online calculator: CDC height-for-age percentiles for males, 2 to 20 years
Source file: CDCHeightForAgeBoys.eq
EBMcalc Version: 8.9

Equation: Z_Score = zScoreInterp(LMS_HA, Age_Months, Height)

Equation: Percentile = ZtoPercentile(Z_Score)

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 2 yr
Maximum value: 20 yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 20 cm
Maximum value: 300 cm

Online calculator: CDC infant growth percentiles, 0 to 36 months
Source file: CDCInfantGrowth.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories; Z13.21 Encounter for screening for nutritional disorder; E46 Unspecified protein-calorie malnutrition; E22.0 Acromegaly and pituitary gigantism; E23.0 Hypopituitarism; E34.3 Short stature due to endocrine disorder
Associated ICD9-CM codes 259.4 Dwarfism nec; 253.3 Pituitary dwarfism; 253.0 Acromegaly and gigantism; 263.9 Protein-cal malnutr nos; V77.2 Screen for malnutrition; 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity

Equation: Head_Circumference_Z_Score = ZS_HC

Equation: Head_Circumference_Percentile = ZtoPercentile(ZS_HC)

Equation: Weight_Z_Score = ZS_W

Equation: Weight_Percentile = ZtoPercentile(ZS_W)

Equation: Length_Z_Score = ZS_L

Equation: Length_Percentile = ZtoPercentile(ZS_L)

Equation: Weight_For_Length_Z_Score = ZS_WL

Equation: Weight_For_Length_Percentile = ZtoPercentile(ZS_WL)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: mo
Allowable Units: mo
Maximum value: 36 mo

Variable: Length
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 45 cm
Maximum value: 103.5 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg_infant
Allowable Units: kg_infant
Minimum value: 0.5 kg_infant
Maximum value: 100 kg_infant

Variable: Head_Circumference
LOINC: 9843-4 : cm : 8287-5 : cm : 8288-3 : cm : 8290-9 : cm : 8291-7 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 20 cm
Maximum value: 200 cm

Online calculator: CDC infant head circumference-for-age percentiles, 0 to 36 months
Source file: CDCInfantHeadCircForAge.eq
EBMcalc Version: 8.9

Equation: Z_Score = ZS

Equation: Percentile = ZtoPercentile(Z_Score)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: mo
Allowable Units: mo
Maximum value: 36 mo

Variable: Head_Circumference
LOINC: 9843-4 : cm : 8287-5 : cm : 8288-3 : cm : 8290-9 : cm : 8291-7 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 20 cm
Maximum value: 200 cm

Online calculator: CDC infant length-for-age percentiles, 0 to 36 months
Source file: CDCInfantLengthForAge.eq
EBMcalc Version: 8.9

Equation: Z_Score = ZS

Equation: Percentile = ZtoPercentile(Z_Score)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: mo
Allowable Units: mo
Maximum value: 36 mo

Variable: Length
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 10 cm
Maximum value: 200 cm

Online calculator: CDC infant weight-for-age percentiles, 0 to 36 months
Source file: CDCInfantWeightForAge.eq
EBMcalc Version: 8.9

Equation: Z_Score = ZS

Equation: Percentile = ZtoPercentile(Z_Score)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: mo
Allowable Units: mo
Maximum value: 36 mo

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 0.5 kg
Maximum value: 100 kg

Online calculator: CDC infant weight-for-length percentiles, 0 to 36 months
Source file: CDCInfantWeightForLength.eq
EBMcalc Version: 8.9

Equation: Z_Score = ZS

Equation: Percentile = ZtoPercentile(Z_Score)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Length
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 45 cm
Maximum value: 103.5 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 0.5 kg
Maximum value: 100 kg

Online calculator: CDC weight-for-age percentiles for females, 2 to 20 years
Source file: CDCWeightForAgeGirls.eq
EBMcalc Version: 8.9
Associated ICD9-CM codes 259.4 Dwarfism nec; 253.3 Pituitary dwarfism; 253.0 Acromegaly and gigantism; 263.9 Protein-cal malnutr nos; V77.2 Screen for malnutrition; 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity

Equation: Z_Score = zScoreInterp(LMS_WA, Age_Months, Weight)

Equation: Percentile = ZtoPercentile(Z_Score)

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 2 yr
Maximum value: 20 yr

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 3 kg
Maximum value: 300 kg

Online calculator: CDC weight-for-age percentiles for males, 2 to 20 years
Source file: CDCWeightForAgeBoys.eq
EBMcalc Version: 8.9
Associated ICD9-CM codes 259.4 Dwarfism nec; 253.3 Pituitary dwarfism; 253.0 Acromegaly and gigantism; 263.9 Protein-cal malnutr nos; V77.2 Screen for malnutrition; 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity

Equation: Z_Score = zScoreInterp(LMS_WA, Age_Months, Weight)

Equation: Percentile = ZtoPercentile(Z_Score)

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 2 yr
Maximum value: 20 yr

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 3 kg
Maximum value: 300 kg

Online calculator: CDC weight-for-height percentiles for females, 77 to 121 cm
Source file: CDCWeightForHeightGirls.eq
EBMcalc Version: 8.9

Equation: Z_Score = zScoreInterp(LMS_WH, Height, Weight)

Equation: Percentile = ZtoPercentile(Z_Score)

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 77 cm
Maximum value: 121 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 5 kg
Maximum value: 200 kg

Online calculator: CDC weight-for-height percentiles for males, 77 to 121 cm
Source file: CDCWeightForHeightBoys.eq
EBMcalc Version: 8.9

Equation: Z_Score = zScoreInterp(LMS_WH, Height, Weight)

Equation: Percentile = ZtoPercentile(Z_Score)

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 77 cm
Maximum value: 121 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 5 kg
Maximum value: 200 kg

Online calculator: Chi Square Analysis
Source file: ChiSquare.eq
EBMcalc Version: 8.7

Equation: N = a + b + c + d

Equation: Chi_Square = ( N * power(((a*d) -(b*c)), 2) ) / ( (a+b)*(c+d)*(a+c)*(b+d) )
Top Row Variables: a, b
Bottom Row Variables: c, d

Online calculator: CIP (Critical Illness Prediction) Score
Source file: CIP.cc
EBMcalc Version: 20.1
Associated ICD10-CM codes J96.90 Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia; J96.00 Acute respiratory failure, unspecified whether with hypoxia or hypercapnia; A41.9 Sepsis, unspecified organism; I50.9 Heart failure, unspecified; I50.9 Heart failure, unspecified; N19 Unspecified kidney failure
Associated ICD9-CM codes 584.9 Acute renal failure nos; 586 Renal failure nos; 428.9 Heart failure nos; 038.9 Septicemia nos; 518.81 Acute respiratry failure

Equation: CIP_Score = Age_Factor + Respiratory_Rate_Factor + Systolic_Blood_Pressure_Factor + Pulse_Factor + Pulse_Ox_Factor + GCS_Factor
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Respiratory_Rate
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Pulse
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min

Variable: Pulse_Ox
Default Unit: %
Allowable Units: %

Variable: Glasgow_Coma_Scale
LOINC: 9269-2 : score : 35088-4 : score
Default Unit: score
Allowable Units: score

Online calculator: Cirrhosis Probability in Hepatitis C (APRI)
Source file: APRI.cc
EBMcalc Version: 12.1
Associated ICD10-CM codes K77 Liver disorders in diseases classified elsewhere; Z22.52 Carrier of viral hepatitis C; K73.8 Other chronic hepatitis, not elsewhere classified; K73.2 Chronic active hepatitis, not elsewhere classified
Associated ICD9-CM codes 571.49 Chronic hepatitis nec; V02.62 Hepatitis c carrier; 573.1 Hepatitis in viral dis; 573.3 Hepatitis nos

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10^9/L
Allowable Units: x10^9/L

Variable: AST
LOINC: 1920-8 : U/L : 27344-1 : U/L : 1919-0 : U/L : 30239-8 : U/L
Default Unit: U/L_AST
Allowable Units: U/L_AST

Variable: ULN_AST
Default Unit: U/L_ALT
Allowable Units: U/L_ALT

Equation: APRI = (AST / ULN_AST) * (100 / Platelets)
Default Result Unit: index
Allowable Result Units:

Online calculator: Cirrhosis Probability in Hepatitis C (Bonacini discriminant score)
Source file: CDS_Bonacini.cc
EBMcalc Version: 12.1
Associated ICD10-CM codes K77 Liver disorders in diseases classified elsewhere; Z22.52 Carrier of viral hepatitis C; K73.8 Other chronic hepatitis, not elsewhere classified; K73.2 Chronic active hepatitis, not elsewhere classified
Associated ICD9-CM codes 571.49 Chronic hepatitis nec; V02.62 Hepatitis c carrier; 573.1 Hepatitis in viral dis; 573.3 Hepatitis nos

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10^9/L
Allowable Units: x10^9/L

Variable: ALT
LOINC: 1742-6 : U/L : 25302-1 : U/L : 76625-3 : U/L
Default Unit: U/L_ALT
Allowable Units: U/L_ALT

Variable: AST
LOINC: 1920-8 : U/L : 27344-1 : U/L : 1919-0 : U/L : 30239-8 : U/L
Default Unit: U/L_AST
Allowable Units: U/L_AST

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR

Equation: CDS = Platelet_Score + ALT_AST_Ratio_Score + INR_Score
Default Result Unit: points
Allowable Result Units:

Online calculator: Cirrhosis probability in hepatitis C (FIB-4)
Source file: FIB4.cc
EBMcalc Version: 12.1
Associated ICD10-CM codes K77 Liver disorders in diseases classified elsewhere; Z22.52 Carrier of viral hepatitis C; K73.8 Other chronic hepatitis, not elsewhere classified; K73.2 Chronic active hepatitis, not elsewhere classified
Associated ICD9-CM codes 571.49 Chronic hepatitis nec; V02.62 Hepatitis c carrier; 573.1 Hepatitis in viral dis; 573.3 Hepatitis nos

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10^9/L
Allowable Units: x10^9/L

Variable: ALT
LOINC: 1742-6 : U/L : 25302-1 : U/L : 76625-3 : U/L
Default Unit: U/L_ALT
Allowable Units: U/L_ALT

Variable: AST
LOINC: 1920-8 : U/L : 27344-1 : U/L : 1919-0 : U/L : 30239-8 : U/L
Default Unit: U/L_AST
Allowable Units: U/L_AST

Equation: FIB4_Score = Age * AST / (Platelets * sqr(ALT))
LOINC of Result: 98488-0 : score
Default Result Unit: index
Allowable Result Units:

Online calculator: Cirrhosis Probability in Hepatitis C (GUCI)
Source file: GUCI.cc
EBMcalc Version: 12.1
Associated ICD10-CM codes K77 Liver disorders in diseases classified elsewhere; Z22.52 Carrier of viral hepatitis C; K73.8 Other chronic hepatitis, not elsewhere classified; K73.2 Chronic active hepatitis, not elsewhere classified
Associated ICD9-CM codes 571.49 Chronic hepatitis nec; V02.62 Hepatitis c carrier; 573.1 Hepatitis in viral dis; 573.3 Hepatitis nos

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10^9/L
Allowable Units: x10^9/L

Variable: AST
LOINC: 1920-8 : U/L : 27344-1 : U/L : 1919-0 : U/L : 30239-8 : U/L
Default Unit: U/L_AST
Allowable Units: U/L_AST

Variable: ULN_AST
Default Unit: U/L_AST
Allowable Units: U/L_AST

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR

Equation: GUCI = (AST / ULN_AST) * INR * 100 / Platelets
Default Result Unit: index
Allowable Result Units:

Online calculator: Cirrhosis Probability in Hepatitis C (Lok index)
Source file: LokIndex.cc
EBMcalc Version: 12.1
Associated ICD10-CM codes K77 Liver disorders in diseases classified elsewhere; Z22.52 Carrier of viral hepatitis C; K73.8 Other chronic hepatitis, not elsewhere classified; K73.2 Chronic active hepatitis, not elsewhere classified
Associated ICD9-CM codes 571.49 Chronic hepatitis nec; V02.62 Hepatitis c carrier; 573.1 Hepatitis in viral dis; 573.3 Hepatitis nos

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10^9/L
Allowable Units: x10^9/L

Variable: ALT
LOINC: 1742-6 : U/L : 25302-1 : U/L : 76625-3 : U/L
Default Unit: U/L_ALT
Allowable Units: U/L_ALT

Variable: AST
LOINC: 1920-8 : U/L : 27344-1 : U/L : 1919-0 : U/L : 30239-8 : U/L
Default Unit: U/L_AST
Allowable Units: U/L_AST

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR

Equation: Log_Odds_Lok = (1.26 * AST / ALT) + (5.27 * INR) - (0.0089 * Platelets) - 5.56

Equation: Lok_Index = eTo(Log_Odds_Lok) / (1 + eTo(Log_Odds_Lok))
Default Result Unit: fraction
Allowable Result Units:

Online calculator: Cirrhosis Probability in Hepatitis C MultiCalc
Source file: CirrhosisProbability_MC.cc
EBMcalc Version: 12.1
Associated ICD10-CM codes K77 Liver disorders in diseases classified elsewhere; Z22.52 Carrier of viral hepatitis C; K73.8 Other chronic hepatitis, not elsewhere classified; K73.2 Chronic active hepatitis, not elsewhere classified
Associated ICD9-CM codes 571.49 Chronic hepatitis nec; V02.62 Hepatitis c carrier; 573.1 Hepatitis in viral dis; 573.3 Hepatitis nos

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10^9/L
Allowable Units: x10^9/L

Variable: ALT
LOINC: 1742-6 : U/L : 25302-1 : U/L : 76625-3 : U/L
Default Unit: U/L_ALT
Allowable Units: U/L_ALT

Variable: AST
LOINC: 1920-8 : U/L : 27344-1 : U/L : 1919-0 : U/L : 30239-8 : U/L
Default Unit: U/L_AST
Allowable Units: U/L_AST

Variable: ULN_AST
Default Unit: U/L_AST
Allowable Units: U/L_AST

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR

Equation: CDS = Platelet_Score + ALT_AST_Ratio_Score + INR_Score
Default Result Unit: points
Allowable Result Units:

Equation: Log_Odds_Lok = (1.26 * AST / ALT) + (5.27 * INR) - (0.0089 * Platelets) - 5.56

Equation: Lok_Index = eTo(Log_Odds_Lok) / (1 + eTo(Log_Odds_Lok))
Default Result Unit: fraction
Allowable Result Units:

Equation: GUCI = (AST / ULN_AST) * INR * 100 / Platelets
Default Result Unit: index
Allowable Result Units:

Equation: APRI = (AST / ULN_AST) * (100 / Platelets)
Default Result Unit: index
Allowable Result Units:

Equation: FIB4 = Age * AST / (Platelets * sqr(ALT))
Default Result Unit: index
Allowable Result Units:

Online calculator: Closing Capacity to Total Lung Volume Capacity
Source file: ClosingCapTLCRatio.eq
EBMcalc Version: 8.8

Equation: Total_Lung_Cap = Insp_Reserve_Vol + Tidal_Vol + Exp_Reserve_Vol + Residual_Vol
Default Result Unit: L
Allowable Result Units:

Equation: Closing_Cap = Closing_Vol + Residual_Vol
Default Result Unit: L
Allowable Result Units:

Equation: CC_TLC_Ratio = 100 * Closing_Cap / Total_Lung_Cap
Default Result Unit: %
Allowable Result Units:

Variable: Exp_Reserve_Vol
Default Unit: L
Allowable Units: L

Variable: Residual_Vol
Default Unit: L
Allowable Units: L

Variable: Insp_Reserve_Vol
Default Unit: L
Allowable Units: L

Variable: Tidal_Vol
Default Unit: L
Allowable Units: L

Variable: Closing_Vol
Default Unit: L
Allowable Units: L

Online calculator: Closing Capacity
Source file: ClosingCapacity.eq
EBMcalc Version: 8.7

Equation: Closing_Cap = Closing_Vol + Residual_Vol
Default Result Unit: L
Allowable Result Units:

Variable: Closing_Vol
Default Unit: L
Allowable Units: L

Variable: Residual_Vol
Default Unit: L
Allowable Units: L

Online calculator: Closing Volume to Vital Capacity Ratio
Source file: ClosingVolVCRatio.eq
EBMcalc Version: 8.8

Equation: Vital_Cap = Insp_Reserve_Vol + Tidal_Vol + Exp_Reserve_Vol
Default Result Unit: L
Allowable Result Units:

Equation: CV_VC_Ratio = 100 * Closing_Vol / Vital_Cap
Default Result Unit: %
Allowable Result Units:

Variable: Exp_Reserve_Vol
Default Unit: L
Allowable Units: L

Variable: Insp_Reserve_Vol
Default Unit: L
Allowable Units: L

Variable: Tidal_Vol
Default Unit: L
Allowable Units: L

Variable: Closing_Vol
Default Unit: L
Allowable Units: L

Online calculator: Confidence Interval of a Binomial Proportion
Source file: ConfIntervalBinomial.eq
EBMcalc Version: 8.7

Equation: Proportion = A / N
Default Result Unit: fraction
Allowable Result Units:

Equation: Lower_End = Proportion - ( Z * sqr( (A * (N - A)) / power(N,3)))
Default Result Unit: fraction
Allowable Result Units:

Equation: Upper_End = Proportion + ( Z * sqr( (A * (N - A)) / power(N,3)))
Default Result Unit: fraction
Allowable Result Units:

Variable: A
Default Unit: number
Allowable Units: number

Variable: N
Default Unit: number
Allowable Units: number

Radio Button Variable: Z
Discrete variable option: 90% Confidence Variable value: 1.645
Discrete variable option: 95% Confidence Variable value: 1.96
Discrete variable option: 98% Confidence Variable value: 2.33
Discrete variable option: 99% Confidence Variable value: 2.576

Online calculator: Confidence Interval of a Difference Between Proportions
Source file: ConfIntervalDiffProp.eq
EBMcalc Version: 8.7

Equation: Difference = (A / N) - (C / M)
Default Result Unit: fraction
Allowable Result Units:

Equation: Interval = Z * sqr( (A*(N-A)/power(N,3)) + (C*(M-C)/power(M,3)) )
Default Result Unit: fraction
Allowable Result Units:

Equation: Lower_End = Difference - Interval
Default Result Unit: fraction
Allowable Result Units:

Equation: Upper_End = Difference + Interval
Default Result Unit: fraction
Allowable Result Units:

Variable: A
Default Unit: number
Allowable Units: number

Variable: N
Default Unit: number
Allowable Units: number

Variable: C
Default Unit: number
Allowable Units: number

Variable: M
Default Unit: number
Allowable Units: number

Radio Button Variable: Z
Discrete variable option: 90% Confidence Variable value: 1.645
Discrete variable option: 95% Confidence Variable value: 1.96
Discrete variable option: 98% Confidence Variable value: 2.33
Discrete variable option: 99% Confidence Variable value: 2.576

Online calculator: Confidence Interval of a Ratio of Proportions
Source file: ConfIntervalRatioProp.eq
EBMcalc Version: 8.7

Equation: Prop_Ratio = (A / N) / (C / M)
Default Result Unit: fraction
Allowable Result Units:

Equation: Exponent = Z * sqr( (1/A) - (1/N) + (1/C) - (1/M) )
Default Result Unit: number
Allowable Result Units:

Equation: Lower_End = Prop_Ratio * eTo( -Exponent)
Default Result Unit: fraction
Allowable Result Units:

Equation: Upper_End = Prop_Ratio * eTo(Exponent)
Default Result Unit: fraction
Allowable Result Units:

Variable: A
Default Unit: number
Allowable Units: number

Variable: N
Default Unit: number
Allowable Units: number

Variable: C
Default Unit: number
Allowable Units: number

Variable: M
Default Unit: number
Allowable Units: number

Radio Button Variable: Z
Discrete variable option: 90% Confidence Variable value: 1.645
Discrete variable option: 95% Confidence Variable value: 1.96
Discrete variable option: 98% Confidence Variable value: 2.33
Discrete variable option: 99% Confidence Variable value: 2.576

Online calculator: Confidence Interval of a Ratio of Ratios
Source file: ConfIntervalRatioRatios.eq
EBMcalc Version: 8.7

Equation: Ratio_Of_Ratios = (A / B) / (C / D)
Default Result Unit: fraction
Allowable Result Units:

Equation: Exponent = Z * sqr( (1/A) + (1/B) + (1/C) + (1/D) )
Default Result Unit: number
Allowable Result Units:

Equation: Lower_End = Ratio_Of_Ratios * eTo( -Exponent)
Default Result Unit: fraction
Allowable Result Units:

Equation: Upper_End = Ratio_Of_Ratios * eTo(Exponent)
Default Result Unit: fraction
Allowable Result Units:

Variable: A
Default Unit: number
Allowable Units: number

Variable: B
Default Unit: number
Allowable Units: number

Variable: C
Default Unit: number
Allowable Units: number

Variable: D
Default Unit: number
Allowable Units: number

Radio Button Variable: Z
Discrete variable option: 90% Confidence Variable value: 1.645
Discrete variable option: 95% Confidence Variable value: 1.96
Discrete variable option: 98% Confidence Variable value: 2.33
Discrete variable option: 99% Confidence Variable value: 2.576

Online calculator: Confidence Interval of a Survey
Source file: ConfidenceInterval.eq
EBMcalc Version: 8.7

Equation: Population_Factor = (Population - Sample_Size) / (Population - 1)

Equation: Conf_Interval = sqr(Conf_Level * (Percent/100) * (1 - (Percent/100)) / Sample_Size * Population_Factor) * 100

Radio Button Variable: Conf_Level
Discrete variable option: 90% Variable value: 2.706
Discrete variable option: 95% Variable value: 3.842
Discrete variable option: 99% Variable value: 6.635

Variable: Population
Default Unit: #
Allowable Units: #

Variable: Sample_Size
Default Unit: #
Allowable Units: #

Variable: Percent
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Online calculator: COPD Assessment Test (CAT)
Source file: CAT.cc
EBMcalc Version: 19.1

Equation: CAT_score = Cough + Phlegm + Chest_Tightness + Walking + Activity + Confidence + Sleep + Energy
Default Result Unit: points
Allowable Result Units:

Online calculator: COPE Statistic Adding Cost to Number Needed to Treat
Source file: COPE.eq
EBMcalc Version: 13.1

Equation: NNT = Math.abs(1 / (EER - CER))
Default Result Unit: number
Allowable Result Units:

Equation: COPE = NNT * Duration * 365 * Daily_Cost
Default Result Unit: $
Allowable Result Units:

Variable: Duration
Default Unit: years
Allowable Units: years

Variable: Daily_Cost
Default Unit: $
Allowable Units: $

Variable: CER
Default Unit: rate
Allowable Units: rate

Variable: EER
Default Unit: rate
Allowable Units: rate

Online calculator: Coronary Artery Disease Risk Clinical Assessment (Duke study)
Source file: DukeCAD.cc
EBMcalc Version: 11.4
Associated ICD10-CM codes I20.0 Unstable angina; Q24.5 Malformation of coronary vessels
Associated ICD9-CM codes 746.85 Coronary artery anomaly; 411.1 Intermed coronary synd

Equation: Angina_X = Angina_X

Equation: Sig_Disease_X = (Age * 0.1126) - (Sex * 0.328) - (Age * Sex * 0.0301) + Angina_X + (History_Of_MI * 1.093) + (Q_Waves * 1.213) + (History_Of_MI * Q_Waves * 0.741) + (Smoker * 2.596) + (Hyperlipidemia * 1.845) + (Diabetes * 0.694) + (ST_T_Changes * 0.637) - (Age * Smoker * 0.0404) - (Age * Hyperlipidemia * 0.0251) + (Sex * Smoker * 0.550) - 7.376

Equation: Pain_Index = Typical_Angina * Weekly_Episodes_Pain * (Progressive_Pain + Pain_Index_EKG + (2 * Nocturnal_Angina))

Equation: Risk_Factor_Index = Hyperlipidemia + Diabetes + Hypertension

Equation: Vasc_Disease_Index = Periph_Vasc_Disease + Cerebrovasc_Disease + Carotid_Bruit

Equation: Sev_Disease_X = (log(Duration_CAD + 1) * 0.3424) + (Chest_Pain * 0.3014) + (log(Duration_CAD + 1) * Chest_Pain * 0.1559) + (Age * 0.0299) + (Q_Waves * 0.3513) + (Pain_Index * 0.0054) - (Sex * 0.3823) + (Risk_Factor_Index * 0.1734) + (Vasc_Disease_Index * 0.2402) - 3.4732

Equation: Left_Main_Disease_X = (Typical_Angina * 1.1252) + (Age * 0.0483) - (Sex * 0.5770) + (Vasc_Disease_Index * 0.5923) + (log(Duration_CAD + 1) * 0.4027) - 6.7271

Equation: Significant_Disease_Probability = 100 / (1 + eTo(-1 * Sig_Disease_X))
Default Result Unit: %
Allowable Result Units:

Equation: Severe_Disease_Probability = 100 / (1 + eTo(-1 * Sev_Disease_X))
Default Result Unit: %
Allowable Result Units:

Equation: Left_Main_Disease_Probability = 100 / (1 + eTo(-1 * Left_Main_Disease_X))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 40 yr
Maximum value: 65 yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 0

Radio Button Variable: Chest_Pain
Discrete variable option: Non anginal Variable value: 0
Discrete variable option: Atypical angina Variable value: 1
Discrete variable option: Typical angina Variable value: 2

Variable: Weekly_Episodes_Pain
Default Unit: #
Allowable Units: #
Maximum value: 35 #

Radio Button Variable: Progressive_Pain
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Nocturnal_Angina
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: History_Of_MI
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: Duration_CAD
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Smoker
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Hyperlipidemia
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Diabetes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Hypertension
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Periph_Vasc_Disease
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Cerebrovasc_Disease
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Carotid_Bruit
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Q_Waves
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: ST_T_Changes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: Corrected/Adjusted Age of Preterm Infants
Source file: CorrectedPretermAge.eq
EBMcalc Version: 23.4

Radio Button Variable: Gestational_Age_Estimator
Discrete variable option: First day of last menstrual period (LMP) Variable value: 1
Discrete variable option: Date of conception (DOC) Variable value: 2
Discrete variable option: Date of 3-day embryo implant Variable value: 2.3
Discrete variable option: Date of 5-day embryo (blastocyst) implant Variable value: 2.5
Discrete variable option: Estimated date of delivery (EDD) Variable value: 3

Online calculator: COVID-19 ABC₂-SPH Score
Source file: COVID_ABC2SPH.cc
EBMcalc Version: 21.3
Associated ICD10-CM codes U07.1 COVID-19; J12.9 Viral pneumonia, unspecified; J12.89 Other viral pneumonia

Equation: SF_Ratio = 100 * O2Sat / FIO2
Default Result Unit: ratio
Allowable Result Units:

Equation: ABC2SPH_Score = Age_Factor + BUN_Factor + Comorbidities_Factor + CRP_Factor + SF_Factor + Platelets_Factor + Heart_Rate_Factor
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: BUN
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: Comorbidities
Default Unit: number
Allowable Units: number

Variable: CRP
LOINC: 1988-5 : mg/L : 48421-2 : mg/L : 76485-2 : nmol/L
Default Unit: mg/dL_CRP
Allowable Units: mg/dL_CRP

Variable: O2Sat
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Variable: FIO2
LOINC: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %
Default Unit: %_InspO2
Allowable Units: %_InspO2
Maximum value: 100 %_InspO2

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10^9/L
Allowable Units: x10^9/L

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min

Online calculator: COVID-19 AID Score
Source file: COVID_AID.cc
EBMcalc Version: 21.4

Equation: Odds_7_Day = eTo((7.8913 * ln(Age)) + (-1.5434 * ln(MAP)) + (1.0738 * Kidney_Factor) + (0.9385 * Severe_Hypoxia) - 29.8233)

Equation: Odds_14_Day = eTo((6.4001 * ln(Age)) + (-1.2073 * ln(MAP)) + (1.0281 * Kidney_Factor) + (0.7977 * Severe_Hypoxia) - 24.17)

Equation: Mortality_7_Day = 100 * Odds_7_Day / (1 + Odds_7_Day)
Default Result Unit: %
Allowable Result Units:

Equation: Mortality_14_Day = 100 * Odds_14_Day / (1 + Odds_14_Day)
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: MAP
LOINC: 8478-0 : mmHg : 8458-2 : mmHg : 76214-6 : mmHg : 75996-9 : mmHg : 76536-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Radio Button Variable: Severe_Hypoxia
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: COVID-19 and the Prognostic Nutrition Index (PNI)
Source file: COVID_PNI.cc
EBMcalc Version: 23.1
Associated ICD10-CM codes U07.1 COVID-19; J12.9 Viral pneumonia, unspecified; J12.89 Other viral pneumonia

Equation: PNI = (10 * Albumin) + (0.005 * Absolute_Lymphocyte_Count)
Default Result Unit: index
Allowable Result Units:

Variable: Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL
Allowable Units: g/dL

Variable: Absolute_Lymphocyte_Count
LOINC: 731-0 : x10^3/microL : 26474-7 : x10^3/microL : 732-8 : x10^3/microL
Default Unit: /mcL
Allowable Units: /mcL

Online calculator: COVID-19 and the Systemic Immune-Inflammation Index (SII)
Source file: COVID_SII.cc
EBMcalc Version: 22.4

Equation: SII = Absolute_Neutrophil_Count * Platelet_Count / Absolute_Lymphocyte_Count
Default Result Unit: index
Allowable Result Units:

Variable: Absolute_Neutrophil_Count
LOINC: 751-8 : 10^3/microL : 26499-4 : 10^3/microL : 753-4 : 10^3/microL
Default Unit: x10(6)/L
Allowable Units: x10(6)/L

Variable: Platelet_Count
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10^9/L
Allowable Units: x10^9/L

Variable: Absolute_Lymphocyte_Count
LOINC: 731-0 : x10^3/microL : 26474-7 : x10^3/microL : 732-8 : x10^3/microL
Default Unit: x10(6)/L
Allowable Units: x10(6)/L

Online calculator: COVID-19 CALL Score
Source file: COVID_CALL.cc
EBMcalc Version: 21.3
Associated ICD10-CM codes U07.1 COVID-19; J12.9 Viral pneumonia, unspecified; J12.89 Other viral pneumonia

Equation: CALL_Score = Comorbidity + Age_Factor + Lymphocyte_Factor + LDH_Factor
Default Result Unit: points
Allowable Result Units:

Radio Button Variable: Comorbidity
Discrete variable option: No Variable value: 1
Discrete variable option: Yes Variable value: 4

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Absolute_Lymphocyte_Count
LOINC: 731-0 : x10^3/microL : 26474-7 : x10^3/microL : 732-8 : x10^3/microL
Default Unit: x10(9)/L
Allowable Units: x10(9)/L

Variable: LDH
LOINC: 14804-9 : U/L : 14805-6 : U/L : 2537-9 : U/L
Default Unit: U/L_LDH
Allowable Units: U/L_LDH

Online calculator: COVID-19 CHOD Score for Estimating Risk of Inpatient Pulmonary Embolism
Source file: CHOD.cc
EBMcalc Version: 22.1

Equation: CHOD_Score = CRP_Factor + HR_Factor + O2Sat_Factor + D_Dimer_Factor
Default Result Unit: points
Allowable Result Units:

Variable: CRP
LOINC: 1988-5 : mg/L : 48421-2 : mg/L : 76485-2 : nmol/L
Default Unit: mg/L_CRP
Allowable Units: mg/L_CRP

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min
Minimum value: 10 beats/min
Maximum value: 400 beats/min

Variable: O2Sat
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Variable: D_Dimer
LOINC: 48065-7 : mcg/mL : 71427-9 : mcg/mL
Default Unit: ng(FEU)/mL_Ddimer
Allowable Units: ng(FEU)/mL_Ddimer

Online calculator: COVID-19 Critical Illness Predictor (Liang 5/12/2020)
Source file: COVID19_Liang.cc
EBMcalc Version: 20.3
Associated ICD10-CM codes U07.1 COVID-19; J12.9 Viral pneumonia, unspecified; J12.89 Other viral pneumonia

Equation: Factors = (Age * 0.0276) + (LDH * 0.0024) + (0.0562 * Absolute_Neutrophil_Count / Absolute_Lymphocyte_Count) + (Direct_Bilirubin * 0.1376) + (Comorbidities * 0.4668) + CXR + Hemoptysis + Dyspnea + Unconscious + Cancer - 6.6127
Default Result Unit: logit
Allowable Result Units:

Equation: Critical_Illness_Probability = 100 * eTo(Factors) / (1 + eTo(Factors))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Maximum value: 100 yr

Variable: LDH
LOINC: 14804-9 : U/L : 14805-6 : U/L : 2537-9 : U/L
Default Unit: U/L_LDH
Allowable Units: U/L_LDH
Maximum value: 1500 U/L_LDH

Variable: Absolute_Neutrophil_Count
LOINC: 751-8 : 10^3/microL : 26499-4 : 10^3/microL : 753-4 : 10^3/microL
Default Unit: x10(9)/L
Allowable Units: x10(9)/L
Maximum value: 1000000 x10(9)/L

Variable: Absolute_Lymphocyte_Count
LOINC: 731-0 : x10^3/microL : 26474-7 : x10^3/microL : 732-8 : x10^3/microL
Default Unit: x10(9)/L
Allowable Units: x10(9)/L
Maximum value: 1000000 x10(9)/L

Variable: Direct_Bilirubin
LOINC: 1968-7 : mg/dL : 14629-0 : mcmol/L
Default Unit: mcmol/L_Bili
Allowable Units: mcmol/L_Bili
Maximum value: 24 mcmol/L_Bili

Variable: Comorbidities
Default Unit: number
Allowable Units: number
Maximum value: 9 number

Online calculator: COVID-19 Criticality Prediction (Yan 3/3/2020)
Source file: COVID19_Yan.cc
EBMcalc Version: 20.1
Associated ICD10-CM codes U07.1 COVID-19; J12.9 Viral pneumonia, unspecified; J12.89 Other viral pneumonia

Variable: LDH
LOINC: 14804-9 : U/L : 14805-6 : U/L : 2537-9 : U/L
Default Unit: U/L_LDH
Allowable Units: U/L_LDH

Variable: hsCRP
LOINC: 1988-5 : mg/L : 30522-7 : mg/L : 71426-1 : mg/L : 76486-0 : nmol/L
Default Unit: mg/L_HSCRP
Allowable Units: mg/L_HSCRP

Variable: Percent_Lymphocytes
LOINC: 736-9 : % : 735-1 : % : 737-7 : % : 15197-7 : % : 26478-8 : %
Default Unit: %
Allowable Units: %

Online calculator: COVID-19 FAPIC Score for Vaccine Induced Thrombotic Thrombocytopenia Syndrome
Source file: COVID_FAPIC_Score.cc
EBMcalc Version: 21.3

Equation: FAPIC_Score = Fibrinogen_Factor + Age_Factor + Platelets_Factor + ICH + CVT
Default Result Unit: points
Allowable Result Units:

Variable: Fibrinogen
LOINC: 3255-7 : mg/dL : 42772-4 : mg/dL : 3256-5 : mg/dL
Default Unit: mg/dL
Allowable Units: mg/dL

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10^3/mcL
Allowable Units: x10^3/mcL

Radio Button Variable: ICH
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: CVT
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: COVID-19 Inflammation Score for Disease Severity
Source file: COVID_Inflamation.cc
EBMcalc Version: 21.3

Equation: Inflammation_Score = Albumin_Factor + HS_CRP_Factor + WBC_Factor
Default Result Unit: points
Allowable Result Units:

Variable: Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb

Variable: HS_CRP
LOINC: 1988-5 : mg/L : 30522-7 : mg/L : 71426-1 : mg/L : 76486-0 : nmol/L
Default Unit: mg/L_hsCRP
Allowable Units: mg/L_hsCRP

Variable: WBC
LOINC: 6690-2 : #/microL
Default Unit: x10^3/microL
Allowable Units: x10^3/microL

Online calculator: COVID-19 ISARIC C4 Score
Source file: COVID19_C4.cc
EBMcalc Version: 22.1

Equation: C4_Score = Age_Factor + Sex + Comorbidities_Factor + RespRate_Factor + O2Sat_Factor +GCS_Factor + Urea_Factor + CRP_Factor
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 1

Variable: Comorbidities
Default Unit: number
Allowable Units: number
Maximum value: 20 number

Variable: Respiratory_Rate
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min
Maximum value: 200 breaths/min

Variable: O2Sat
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Variable: Glasgow_Coma_Scale
LOINC: 9269-2 : score : 35088-4 : score
Default Unit: points
Allowable Units: points
Maximum value: 15 points

Variable: Urea
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mmol/L_BUN
Allowable Units: mmol/L_BUN

Variable: CRP
LOINC: 1988-5 : mg/L : 48421-2 : mg/L : 76485-2 : nmol/L
Default Unit: mg/L_CRP
Allowable Units: mg/L_CRP

Online calculator: COVID-19 Kuwait Progression Score
Source file: COVID_Kuwait.cc
EBMcalc Version: 21.2
Associated ICD10-CM codes U07.1 COVID-19; J12.9 Viral pneumonia, unspecified; J12.89 Other viral pneumonia

Equation: Kuwait_Score = Age_Factor + CRP_Factor + Procalcitonin_Factor + Lymph_Factor + Mono_Factor + Albumin_Factor
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 20 yr
Maximum value: 120 yr

Variable: CRP
LOINC: 1988-5 : mg/L : 48421-2 : mg/L : 76485-2 : nmol/L
Default Unit: mg/L_CRP
Allowable Units: mg/L_CRP

Variable: Procalcitonin
LOINC: 33959-8 : ng/mL : 75241-0 : ng/mL
Default Unit: ng/mL
Allowable Units: ng/mL

Variable: Lymphocyte_Percent
LOINC: 736-9 : % : 735-1 : % : 737-7 : % : 15197-7 : % : 26478-8 : %
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Variable: Monocyte_Percent
LOINC: 26485-3 : % : 5905-5 : % : 744-3 : %
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Variable: Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/L_Alb
Allowable Units: g/L_Alb

Online calculator: COVID-19 MMCD Score to Predict Need for Dialysis
Source file: COVID_MMCD.cc
EBMcalc Version: 22.4

Equation: MMCD_Score = Vent + Sex + Creatinine_Factor + Diabetes
Default Result Unit: points
Allowable Result Units:

Radio Button Variable: Vent
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 11

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 1

Variable: Admit_Creat
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Radio Button Variable: Diabetes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: COVID-19 Mortality Risk Estimation (Zhou 3/11/2020)
Source file: COVID19_Zhou.cc
EBMcalc Version: 20.1
Associated ICD10-CM codes U07.1 COVID-19; J12.9 Viral pneumonia, unspecified; J12.89 Other viral pneumonia

Equation: Terms = (Age * 0.096) + CAD + (SOFA_Score * 1.73) + (Lymphocyte_Count * -1.63) + D_dimer_Factor - 12.73
Default Result Unit: logit
Allowable Result Units:

Equation: Mortality_Risk = 100 * eTo(Terms) / (1 + eTo(Terms))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: CAD
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: SOFA_Score
LOINC: 96790-1 : score
Default Unit: score
Allowable Units: score
Maximum value: 24 score

Variable: Lymphocyte_Count
LOINC: 731-0 : x10^3/microL : 26474-7 : x10^3/microL : 732-8 : x10^3/microL
Default Unit: x10(9)/L
Allowable Units: x10(9)/L

Variable: D_Dimer
LOINC: 48065-7 : mcg/mL : 71427-9 : mcg/mL
Default Unit: mcg/mL_Ddimer
Allowable Units: mcg/mL_Ddimer

Online calculator: COVID-19 Obesity and Diabetes Score
Source file: COVID_Obesity_Diabetes.cc
EBMcalc Version: 21.4

Equation: Score = Age_Factor + DM + Obesity + Pneumonia + CKD + COPD + IS
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: DM
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1
Discrete variable option: Onset under age 40 Variable value: 6

Radio Button Variable: Obesity
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Pneumonia
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 7

Radio Button Variable: CKD
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 3

Radio Button Variable: COPD
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: IS
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: COVID-19 PAWNN Score
Source file: COVID_PAWNN.cc
EBMcalc Version: 21.2
Associated ICD10-CM codes U07.1 COVID-19; J12.9 Viral pneumonia, unspecified; J12.89 Other viral pneumonia

Equation: Neut_Lymph_Ratio = Neutrophil_Count / Lymphocyte_Count
Default Result Unit: ratio
Allowable Result Units:

Equation: PAWNN_Score = Age_Factor + Neut_Lymph_Ratio_Factor + Plat_Factor + Neut_Factor + WBC_Factor
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Maximum value: 120 yr

Variable: WBC
LOINC: 6690-2 : #/microL
Default Unit: x10^3/mcL
Allowable Units: x10^3/mcL
Maximum value: 100 x10^3/mcL

Variable: Neutrophil_Count
LOINC: 751-8 : 10^3/microL : 26499-4 : 10^3/microL : 753-4 : 10^3/microL
Default Unit: x10^3/mcL
Allowable Units: x10^3/mcL
Maximum value: 100 x10^3/mcL

Variable: Lymphocyte_Count
LOINC: 731-0 : x10^3/microL : 26474-7 : x10^3/microL : 732-8 : x10^3/microL
Default Unit: x10^3/mcL
Allowable Units: x10^3/mcL
Maximum value: 100 x10^3/mcL

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10^3/mcL
Allowable Units: x10^3/mcL
Maximum value: 1000 x10^3/mcL

Online calculator: COVID-19 PRIORITY Score
Source file: COVID_PRIORITY.cc
EBMcalc Version: 21.3

Equation: Factors = (2.663 * power((Age / 100), 2)) + (0.844 / power((Systolic_Blood_Pressure/100),2)) + Dependency + CVD + Renal_Factor + Dyspnea + Respiratory_Rate_Factor + O2_Factor + Confusion - 4.665
Default Result Unit: logit
Allowable Result Units:

Equation: Criticality_Risk = 100 / (1 + eTo(-Factors))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr

Variable: SpO2
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Serum_Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Radio Button Variable: On_Dialysis
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: On_Oxygen
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: Respiratory_Rate
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min

Online calculator: COVID-19 Quick Severity Index (qCSI)
Source file: COVID_QSI.cc
EBMcalc Version: 21.2
Associated ICD10-CM codes U07.1 COVID-19; J12.9 Viral pneumonia, unspecified; J12.89 Other viral pneumonia

Equation: qCSI = RR_Factor + O2_Sat_Factor + O2_Flow_Factor
Default Result Unit: points
Allowable Result Units:

Variable: Respiratory_Rate
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min
Maximum value: 200 breaths/min

Variable: O2_Saturation
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Variable: Oxygen_Flow_Rate
Default Unit: L/min
Allowable Units: L/min
Maximum value: 100 L/min

Online calculator: COVID-19 RISE UP Score for Emergency Department Patients 65 Years Old and Older
Source file: COVID_RISE_UP.cc
EBMcalc Version: 21.2
Associated ICD10-CM codes U07.1 COVID-19; J12.9 Viral pneumonia, unspecified; J12.89 Other viral pneumonia

Equation: Vitals_Factors = HR_Factor + MAP_Factor + RR_Factor + O2_Sat_Factor + Temp_Factor + GCS_Factor
Default Result Unit: number
Allowable Result Units:

Equation: All_Factors = 0.795 * ((Age * 0.05) + (1.115 * Math.abs(Vitals_Factors >= 2)) - (0.112 * Albumin) + (0.284 * BUN / 5) + (0.12 * LDH / 100) + (0.875 * Math.abs(Total_Bilirubin > 20))) - 2.083
Default Result Unit: logit
Allowable Result Units:

Equation: Mortality_at_30_Days = 100 /(1 + eTo(-All_Factors))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 65 yr
Maximum value: 120 yr

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min
Maximum value: 400 beats/min

Variable: Mean_Arterial_Pressure
LOINC: 8478-0 : mmHg : 8458-2 : mmHg : 76214-6 : mmHg : 75996-9 : mmHg : 76536-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Maximum value: 300 mmHg

Variable: Respiratory_Rate
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min
Maximum value: 200 breaths/min

Variable: O2_Saturation
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Variable: Temperature
LOINC: 8329-5 : degC : 8310-5 : degC : 8331-1 : degC : 8332-9 : degC : 8333-7 : degC : 8328-7 : degC : 75539-7 : degC
Default Unit: degC
Allowable Units: degC
Minimum value: 10 degC
Maximum value: 50 degC

Variable: Glasgow_Coma_Score
LOINC: 9269-2 : score : 35088-4 : score
Default Unit: points
Allowable Units: points
Maximum value: 15 points

Variable: Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/L_Alb
Allowable Units: g/L_Alb
Maximum value: 200 g/L_Alb

Variable: BUN
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mmol/L_BUN
Allowable Units: mmol/L_BUN
Maximum value: 500 mmol/L_BUN

Variable: LDH
LOINC: 14804-9 : U/L : 14805-6 : U/L : 2537-9 : U/L
Default Unit: U/L_LDH
Allowable Units: U/L_LDH
Maximum value: 5000 U/L_LDH

Variable: Total_Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mcmol/L_Bili
Allowable Units: mcmol/L_Bili

Online calculator: COVID-19 SCOPE Score to Predict Severe Respiratory Failure
Source file: COVID19_SCOPE_Score.cc
EBMcalc Version: 22.2

Equation: SCOPE_Score = D_Dimer_Factor + CRP_Factor + Ferritin_Factor + IL_6_Factor
Default Result Unit: points
Allowable Result Units:

Variable: D_Dimer
LOINC: 48065-7 : mcg/mL : 71427-9 : mcg/mL
Default Unit: mg/L_Ddimer
Allowable Units: mg/L_Ddimer

Variable: CRP
LOINC: 1988-5 : mg/L : 48421-2 : mg/L : 76485-2 : nmol/L
Default Unit: mg/L_CRP
Allowable Units: mg/L_CRP

Variable: Ferritin
LOINC: 2276-4 : ng/mL : 24373-3 : ng/mL : 20567-4 : ng/mL
Default Unit: ng/mL_Ferritin
Allowable Units: ng/mL_Ferritin

Variable: IL_6
LOINC: 26881-3 : pg/mL : 44322-6 : pg/mL
Default Unit: pg/mL_IL6
Allowable Units: pg/mL_IL6

Online calculator: COVID-19 SEIMC Score
Source file: COVID_SEIMC.cc
EBMcalc Version: 21.2
Associated ICD10-CM codes U07.1 COVID-19; J12.9 Viral pneumonia, unspecified; J12.89 Other viral pneumonia

Equation: Neut_Lymph_Ratio = Neutrophil_Count / Lymphocyte_Count
Default Result Unit: ratio
Allowable Result Units:

Equation: SEIMC_Score = Age_Factor + Sex + O2_Sat_Factor + Neut_Lymph_Ratio_Factor + eGFR_Factor + Dyspnea
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Maximum value: 120 yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 1

Variable: O2_Saturation
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Variable: Neutrophil_Count
LOINC: 751-8 : 10^3/microL : 26499-4 : 10^3/microL : 753-4 : 10^3/microL
Default Unit: x10^3/mcL
Allowable Units: x10^3/mcL
Maximum value: 500000 x10^3/mcL

Variable: Lymphocyte_Count
LOINC: 731-0 : x10^3/microL : 26474-7 : x10^3/microL : 732-8 : x10^3/microL
Default Unit: x10^3/mcL
Allowable Units: x10^3/mcL
Maximum value: 500000 x10^3/mcL

Variable: eGFR_CKD_Epi
LOINC: 62238-1 : mL/min/1.73m2
Default Unit: mL/min/1.73 m(2)
Allowable Units: mL/min/1.73 m(2)
Maximum value: 300 mL/min/1.73 m(2)

Radio Button Variable: Dyspnea
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: COVID-19 Severity by M-CHA(2)DS(2)-VASc Score
Source file: COVID_19_MCHADSVASC.cc
EBMcalc Version: 22.1
Associated ICD10-CM codes I67.9 Cerebrovascular disease, unspecified; I48.91 Unspecified atrial fibrillation
Associated ICD9-CM codes 427.31 Atrial fibrillation; 437.9 Cerebrovasc disease nos

Equation: Score = Age_Factor + Sex + CHF + HTN + Diabetes + CVA + VascularDx
Default Result Unit: points
Allowable Result Units:

Radio Button Variable: CHF
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: HTN
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Diabetes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 1

Radio Button Variable: CVA
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 2

Radio Button Variable: VascularDx
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: COVID-19 Severity by Shock Index and Modified Shock Index
Source file: COVID_SI_MSI.cc
EBMcalc Version: 21.3

Equation: MAP = ((2 * Diastolic_BP) + Systolic_BP) / 3
LOINC of Result: 8478-0 : mmHg : 8458-2 : mmHg : 76214-6 : mmHg : 75996-9 : mmHg : 76536-2 : mmHg
Default Result Unit: mmHg
Allowable Result Units:

Equation: Shock_Index = Heart_Rate / Systolic_BP
LOINC of Result: 98909-5 : score
Default Result Unit: index
Allowable Result Units:

Equation: mShock_Index = Heart_Rate / MAP
LOINC of Result: 98910-3 : score
Default Result Unit: index
Allowable Result Units:

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min

Variable: Systolic_BP
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Maximum value: 500 mmHg

Variable: Diastolic_BP
LOINC: 8462-4 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Maximum value: 250 mmHg

Online calculator: COVID-19 Simplified HOSPITAL Score for Readmission Risk
Source file: COVID_HOSPITAL.cc
EBMcalc Version: 21.4

Equation: Simplified_HOSPITAL_Score = Hemoglobin_Factor + Active_Cancer + Sodium_Factor + Elective_Admit + Number_Admits_Factor + LOS_Factor
Default Result Unit: points
Allowable Result Units:

Variable: Hemoglobin
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL

Radio Button Variable: Active_Cancer
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 2

Variable: Serum_Sodium
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Radio Button Variable: Elective_Admit
Discrete variable option: Yes Variable value: 0
Discrete variable option: No Variable value: 1

Variable: NumAdmits
Default Unit: number
Allowable Units: number

Variable: LOS
LOINC: 78033-8 : days
Default Unit: days
Allowable Units: days

Online calculator: COVID-19 SOARS Score
Source file: COVID_SOARS.cc
EBMcalc Version: 21.3
Associated ICD10-CM codes U07.1 COVID-19; J12.9 Viral pneumonia, unspecified; J12.89 Other viral pneumonia

Equation: SOARS_Score = SpO2_Factor + BMI_Factor + Age_Factor + Respiratory_Rate_Factor + CVA
Default Result Unit: points
Allowable Result Units:

Variable: SpO2
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %

Variable: BMI
LOINC: 39156-5 : kg/m^2 : 59576-9 : kg/m^2 : 89270-3 : kg/m^2
Default Unit: kg/m^2_BMI
Allowable Units: kg/m^2_BMI

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Respiratory_Rate
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min

Radio Button Variable: CVA
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: Creatinine Clearance (measured)
Source file: CreatinineCl.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Creatinine_Clearance = Urine_Creatinine * Days_Urine_Volume / Serum_Creatinine / 1440
LOINC of Result: 2164-2 : mL/min : 33558-8 : mL/min
Default Result Unit: mL/min
Allowable Result Units:

Variable: Urine_Creatinine
LOINC: 35674-1 : mg/dL : 2161-8 : mg/dL : 14683-7 : mmol/L : 22726-4
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Serum_Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Days_Urine_Volume
Default Unit: mL
Allowable Units: mL

Online calculator: Creatinine Clearance (measured, SI units)
Source file: CreatinineCl_SI.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Creat_Clear = Urine_Creat * Days_Urine_Volume / Serum_Creat / 1440
LOINC of Result: 2164-2 : mL/min : 33558-8 : mL/min
Default Result Unit: mL/min
Allowable Result Units:

Variable: Urine_Creat
LOINC: 35674-1 : mg/dL : 2161-8 : mg/dL : 14683-7 : mmol/L : 22726-4
Default Unit: mcmol/L_Cr
Allowable Units: mcmol/L_Cr

Variable: Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mcmol/L_Cr
Allowable Units: mcmol/L_Cr

Variable: Days_Urine_Volume
Default Unit: mL
Allowable Units: mL

Online calculator: Creatinine Clearance by Mass
Source file: CreatinineClMass.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Creat_Clear = Urine_Creat_Mass_24_Hours / Serum_Creat_Conc / 0.0144
LOINC of Result: 2164-2 : mL/min : 33558-8 : mL/min
Default Result Unit: mL/min
Allowable Result Units:

Variable: Urine_Creat_Mass_24_Hours
Default Unit: gm
Allowable Units: gm

Variable: Serum_Creat_Conc
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Online calculator: Creatinine Clearance Estimate by Cockcroft-Gault Equation (SI units)
Source file: CreatinineCl_CG_SI.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Creat_Clear = 1.23 * Sex * (140 - Age) * Weight / Serum_Creat
LOINC of Result: 2164-2 : mL/min : 33558-8 : mL/min
Default Result Unit: mL/min
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.85
Discrete variable option: Male Variable value: 1

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mcmol/L_Cr
Allowable Units: mcmol/L_Cr

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Creatinine Clearance Estimate by Cockcroft-Gault Equation with Ideal Body Weight
Source file: CreatinineCl_CG_AdjBW.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E66.01 Morbid (severe) obesity due to excess calories; N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 278.01 Morbid obesity; 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: IBW = Math.abs(Height > 60) * (2.3 * (Height - 60)) + IBW_Sex
Default Result Unit: kg
Allowable Result Units:

Equation: CrCl = ((140 - Age) * (Weight_CrCl / (Serum_Creat * 72))) * CrCl_Sex
LOINC of Result: 2164-2 : mL/min : 33558-8 : mL/min
Default Result Unit: mL/min
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: in
Allowable Units: in

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Online calculator: Creatinine Clearance Estimate by Cockcroft-Gault Equation
Source file: CreatinineCl_CG.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Creat_Clear = Sex * ((140 - Age) / (Serum_Creat)) * (Weight / 72)
LOINC of Result: 2164-2 : mL/min : 33558-8 : mL/min
Default Result Unit: mL/min
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.85
Discrete variable option: Male Variable value: 1

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Creatinine Clearance Estimate by Jelliffe Formula
Source file: CreatinineCl_Jelliffe.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Radio Button Variable: Sex
Discrete variable option: *Female Variable value: 0.9
Discrete variable option: Male Variable value: 1

Equation: CrCl_Normalized = Sex * (98 - (0.8 * (Age - 20))) / Serum_Creat
LOINC of Result: 12195-4 : mL/min/1.73m2
Default Result Unit: mL/min/1.73 m²
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Online calculator: Creatinine Clearance Estimate by Sanaka Formula (for older subjects with low muscle mass)
Source file: CreatinineCl_Sanaka.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: CrCl = (Weight * ((Mult_Factor * Plasma_Albumin) + Add_Factor)) / (100 * Serum_Creat)
LOINC of Result: 2164-2 : mL/min : 33558-8 : mL/min
Default Result Unit: mL/min
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 60 yr
Maximum value: 92 yr

Variable: Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Plasma_Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 24 kg
Maximum value: 61 kg

Online calculator: Creatinine Kinetics MultiCalc
Source file: CreatinineKinetics_MC.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Creat_Excretion = (Vol_Urine * Creat_Urine) + (Vol_Dialysate * Creat_Dialysate)
Default Result Unit: mg/day
Allowable Result Units:

Equation: Creat_Degradation = 0.38 * Creat_Serum * Weight
Default Result Unit: mg/day
Allowable Result Units:

Equation: Lean_Body_Weight = (0.029 * (Creat_Excretion + Creat_Degradation)) + 7.38
Default Result Unit: kg
Allowable Result Units:

Variable: Vol_Urine
Default Unit: mL
Allowable Units: mL

Variable: Creat_Urine
LOINC: 35674-1 : mg/dL : 2161-8 : mg/dL : 14683-7 : mmol/L : 22726-4
Default Unit: mg/mL_UCr
Allowable Units: mg/mL_UCr

Variable: Vol_Dialysate
Default Unit: mL
Allowable Units: mL

Variable: Creat_Dialysate
Default Unit: mg/mL_UCr
Allowable Units: mg/mL_UCr

Variable: Creat_Serum
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Crohn's Disease Activity Index (CDAI) in adults
Source file: CDAI.cc
EBMcalc Version: 10.3

Equation: Standard_weight = Math.abs(Sex == 0) * (power((Height/100),2) * 20.8) + Math.abs(Sex == 1) * (power((Height/100),2) * 22.1)
Default Result Unit: kg
Allowable Result Units:

Equation: Weight_deviation_points = 100 * (1 - (Weight / Standard_weight))
Default Result Unit: points
Allowable Result Units:

Equation: Absolute_hematocrit_deviation = Math.abs(Sex == 0) * (42 - Hematocrit) + Math.abs(Sex == 1) * (47 - Hematocrit)
Default Result Unit: %
Allowable Result Units:

Equation: Stool_count_factor = Stools * 14

Equation: CDAI = Stool_count_factor + Med + AAP + General_wellbeing_each_day_over_7_days + Arthritis_or_arthralgia + Iritis_or_uveitis + EN + AF + Other_fistula + Temp + Finding_of_an_abdominal_mass + Weight_deviation_points + (6 * Absolute_hematocrit_deviation)
LOINC of Result: 88982-4 : score : 75847-4 : score
Default Result Unit: points
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 1

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 36 kg
Maximum value: 160 kg

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 100 cm
Maximum value: 243 cm

Variable: Hematocrit
LOINC: 4544-3 : % : 20570-8 : % : 31100-1 : % : 4545-0 : %
Default Unit: %
Allowable Units: %
Minimum value: 10 %
Maximum value: 70 %

Variable: Stools
Default Unit: #
Allowable Units: #
Maximum value: 25 #

Online calculator: CSF IgG Index
Source file: CSFIgG.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes G35 Multiple sclerosis
Associated ICD9-CM codes 340 Multiple sclerosis

Equation: CSF_IgG_Index = ( CSF_IgG / CSF_Albumin ) / (Serum_IgG / (Serum_Albumin * 1000))
Default Result Unit: index
Allowable Result Units:

Variable: CSF_IgG
LOINC: 2464-6 : mg/dL
Default Unit: mg/dL_IgG
Allowable Units: mg/dL_IgG

Variable: CSF_Albumin
LOINC: 1746-7 : mg/dL
Default Unit: mg/dL_Alb
Allowable Units: mg/dL_Alb

Variable: Serum_IgG
LOINC: 2465-3 : mg/dL
Default Unit: mg/dL_IgG
Allowable Units: mg/dL_IgG

Variable: Serum_Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb

Online calculator: CSF Protein Concentration Correction in Blood Contaminated CSF
Source file: CSFProtein.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes A87.9 Viral meningitis, unspecified; G03.9 Meningitis, unspecified; G03.1 Chronic meningitis; G04.2 Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified; G00.9 Bacterial meningitis, unspecified
Associated ICD9-CM codes 320.9 Bacterial meningitis nos; 322.2 Chronic meningitis; 322.9 Meningitis nos; 047.9 Viral meningitis nos

Equation: Protein = Protein_CSF - (Protein_Serum * 1000 * (1 - HCT / 100) * RBC_CSF / (RBC_Blood * 1e6))
Default Result Unit: mg/dL
Allowable Result Units:

Variable: Protein_CSF
Default Unit: mg/dL
Allowable Units: mg/dL

Variable: Protein_Serum
Default Unit: g/dL
Allowable Units: g/dL

Variable: HCT
LOINC: 4544-3 : % : 20570-8 : % : 31100-1 : % : 4545-0 : %
Default Unit: %
Allowable Units: %

Variable: RBC_CSF
Default Unit: /microL
Allowable Units: /microL

Variable: RBC_Blood
LOINC: 789-8 : x10(6)/microL : 790-6 : 10^9/microL
Default Unit: x10(6)/microL
Allowable Units: x10(6)/microL

Online calculator: CURB Pneumonia Severity Score
Source file: CURB.fhir
EBMcalc Version: 8.7
Associated ICD10-CM codes J12.9 Viral pneumonia, unspecified; J18.1 Lobar pneumonia, unspecified organism; J13 Pneumonia due to Streptococcus pneumoniae; J12.9 Viral pneumonia, unspecified; J11.00 Influenza due to unidentified influenza virus with unspecified type of pneumonia; J15.9 Unspecified bacterial pneumonia; J18.0 Bronchopneumonia, unspecified organism
Associated ICD9-CM codes 485 Bronchopneumonia org nos; 482.9 Bacterial pneumonia nos; 487.0 Influenza with pneumonia; 481 Pneumococcal pneumonia; 480.9 Viral pneumonia nos

Equation: CURB_Score = Confusion + BUN_Factor + Respiratory_Rate_Factor + Blood_Pressure_Factor
Default Result Unit: points
Allowable Result Units:

Radio Button Variable: Confusion
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: BUN
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: Respiratory_Rate
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Diastolic_Blood_Pressure
LOINC: 8462-4 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: CURB-65 Pneumonia Severity Score
Source file: CURB65.fhir
EBMcalc Version: 8.7
Associated ICD10-CM codes J12.9 Viral pneumonia, unspecified; J18.1 Lobar pneumonia, unspecified organism; J13 Pneumonia due to Streptococcus pneumoniae; J12.9 Viral pneumonia, unspecified; J11.00 Influenza due to unidentified influenza virus with unspecified type of pneumonia; J15.9 Unspecified bacterial pneumonia; J18.0 Bronchopneumonia, unspecified organism
Associated ICD9-CM codes 485 Bronchopneumonia org nos; 482.9 Bacterial pneumonia nos; 487.0 Influenza with pneumonia; 481 Pneumococcal pneumonia; 480.9 Viral pneumonia nos

Equation: CURB65_Score = Confusion + BUN_Factor + Respiratory_Rate_Factor + Blood_Pressure_Factor + Age_Factor
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Confusion
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: BUN
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: Respiratory_Rate
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Diastolic_Blood_Pressure
LOINC: 8462-4 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: Diabetes Risk Score (Type 2)
Source file: DiabetesRiskScore.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes Z13.1 Encounter for screening for diabetes mellitus; O24.319 Unspecified pre-existing diabetes mellitus in pregnancy, unspecified trimester; E11.65 Type 2 diabetes mellitus with hyperglycemia
Associated ICD9-CM codes V77.1 Screen-diabetes mellitus; 648.00 Diabetes in preg-unspec; 250.02 Dmii wo cmp uncntrld

Equation: Terms = 6.322 - Sex - Rx_HTN - Rx_Steroids - (0.063 * Age) - BMI - FMH - Smoker
Default Result Unit: #
Allowable Result Units:

Equation: Risk = 100 / (1 + eTo(Terms))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: -0.879
Discrete variable option: Male Variable value: 0

Radio Button Variable: Rx_HTN
Discrete variable option: On HTN meds Variable value: 1.222
Discrete variable option: No HTN meds Variable value: 0

Radio Button Variable: Rx_Steroids
Discrete variable option: On steroids Variable value: 2.191
Discrete variable option: Not on steroids Variable value: 0

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: BMI
Discrete variable option: Body Mass Index <25 Variable value: 0
Discrete variable option: 25 - 27.49 Variable value: 0.699
Discrete variable option: 27.5 - 29.99 Variable value: 1.97
Discrete variable option: ≥30 Variable value: 2.518

Radio Button Variable: FMH
Discrete variable option: No 1st degree family members with diabetes Variable value: 0
Discrete variable option: Parent OR sibling with DM Variable value: 0.728
Discrete variable option: Parent AND sibling with DM Variable value: 0.753

Radio Button Variable: Smoker
Discrete variable option: Patient is a non smoker Variable value: 0
Discrete variable option: Patient used to smoke Variable value: -0.218
Discrete variable option: Patient is a smoker Variable value: 0.855

Online calculator: Diabetes Risk Self Assessment
Source file: DMSelfAssess.cc
EBMcalc Version: 17.1

Equation: BMI = (Weight/2.205) / power((Height/39.37), 2)
LOINC of Result: 39156-5 : kg/m^2 : 59576-9 : kg/m^2 : 89270-3 : kg/m^2

Equation: BMI_Points = BMIP

Equation: Diabetes_Risk_Score = BMIP + Age + Sex + FMH + Active + HTN

Radio Button Variable: Age
Discrete variable option: <40 years Variable value: 0
Discrete variable option: 40-49 years Variable value: 1
Discrete variable option: 50-59 years Variable value: 2
Discrete variable option: ≥60 years Variable value: 3

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 1

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: lb
Allowable Units: lb

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: in
Allowable Units: in

Online calculator: Diffusing capacity for carbon monoxide (DLCO) corrected for anemia
Source file: DLCO_Anemia.eq
EBMcalc Version: 12.2
Associated ICD10-CM codes R94.2 Abnormal results of pulmonary function studies; D64.9 Anemia, unspecified
Associated ICD9-CM codes 285.9 Anemia nos; 794.2 Abn pulmonary func study

Equation: DLCO_Predicted_Corrected = DLCO_Predicted_Corrected
Default Result Unit: mL CO (STPD)
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 1 yr
Maximum value: 120 yr

Variable: Hgb
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL
Minimum value: 5 g/dL
Maximum value: 20 g/dL

Variable: DLCO_Predicted
Default Unit: mL CO (STPD)
Allowable Units: mL CO (STPD)

Online calculator: Diffusing capacity for carbon monoxide (DLCO) correction of predicted value for anemia (SI units)
Source file: DLCO_Anemia_SI.eq
EBMcalc Version: 12.2

Equation: DLCO_Predicted_Corrected = DLCO_Predicted_Corrected
Default Result Unit: mmol CO per min per kPa
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 1 yr
Maximum value: 120 yr

Variable: Hgb
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/L
Allowable Units: g/L
Minimum value: 50 g/L
Maximum value: 200 g/L

Variable: DLCO_Predicted
Default Unit: mmol CO per min per kPa
Allowable Units: mmol CO per min per kPa

Online calculator: Digitalis Body Load
Source file: DigoxinLoad.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes I48.91 Unspecified atrial fibrillation; I50.9 Heart failure, unspecified
Associated ICD9-CM codes 428.0 Chf nos; 427.31 Atrial fibrillation

Equation: DBL = Digoxin_Conc * 5.6 * Weight / 1000
Default Result Unit: mg
Allowable Result Units:

Variable: Digoxin_Conc
LOINC: 10535-3 : ng/mL : 14698-5 : nmol/L : 83094-3 : nmol/L
Default Unit: ng/mL
Allowable Units: ng/mL

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Dose Adjustment for Body Surface Area
Source file: DoseAdjustmentForBSA.eq
EBMcalc Version: 8.7

Equation: BSA = 0.007184 * power(Height, 0.725) * power(Weight, 0.425)
Default Result Unit: m²
Allowable Result Units:

Equation: Adjusted_Dose = Standard_Dose * BSA / 1.73
Default Result Unit: mg
Allowable Result Units:

Variable: Standard_Dose
Default Unit: mg
Allowable Units: mg

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Dose Driven IV-Drip Rate Calculator
Source file: DoseDrivenDripRate.eq
EBMcalc Version: 8.9

Equation: IV_Drip_Rate = (60 * Desired_Dose * Weight * Bag_Volume) / (1000 * Drug_In_Bag)
Default Result Unit: mL/hr
Allowable Result Units:

Variable: Desired_Dose
Default Unit: mcg/kg/min
Allowable Units: mcg/kg/min

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Drug_In_Bag
Default Unit: mg
Allowable Units: mg

Variable: Bag_Volume
Default Unit: mL
Allowable Units: mL

Online calculator: Dynamic International Prognostic Scoring System-Plus (DIPSS-Plus) for Primary Myelofibrosis (PMF) in Adults and Adolescents
Source file: DIPSS.eq
EBMcalc Version: 15.4

Equation: DIPSS = Age + WBC + Hb + Blasts + Constitution

Equation: DIPSSplus = Plt + Anemia + Karyotype + DIPSSadd

Online calculator: ECOG Performance Status
Source file: ECOG.cc
EBMcalc Version: 22.1

Equation: ECOG_Performance_Status = Scale
LOINC of Result: 89247-1 : score
Default Result Unit: points
Allowable Result Units:

Radio Button Variable: Scale
Discrete variable option: Fully active; no performance restrictions Variable value: 0
Discrete variable option: Strenuous physical activity restricted; fully ambulatory and able to carry out light work Variable value: 1
Discrete variable option: Capable of all self-care but unable to carry out any work activities. Up and about >50 percent of waking hours Variable value: 2
Discrete variable option: Capable of only limited self-care; confined to bed or chair >50 percent of waking hours Variable value: 3
Discrete variable option: Completely disabled; cannot carry out any self-care; totally confined to bed or chair Variable value: 4

Online calculator: Embolic Risk (ER) French Score in Infective Endocarditis
Source file: ER_French.cc
EBMcalc Version: 23.4

Equation: Hazard_Ratio = eTo((Age * 0.01315524) + Diabetes + Previous_Emboli + Afib + Vegitation_Length_Factor + Staph_Aureus)
Default Result Unit: ratio
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Diabetes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.26509903

Radio Button Variable: Previous_Emboli
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.33690184

Radio Button Variable: Afib
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.50552733

Variable: Vegitation_Length
Default Unit: mm
Allowable Units: mm

Radio Button Variable: Staph_Aureus
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.57917495

Equation: ER1D = riskAtDay[0]
Default Result Unit: %
Allowable Result Units:

Equation: ER3D = riskAtDay[2]
Default Result Unit: %
Allowable Result Units:

Equation: ER1W = riskAtDay[6]
Default Result Unit: %
Allowable Result Units:

Equation: ER2W = riskAtDay[11]
Default Result Unit: %
Allowable Result Units:

Equation: ER4W = riskAtDay[15]
Default Result Unit: %
Allowable Result Units:

Equation: ER6M = riskAtDay[19]
Default Result Unit: %
Allowable Result Units:

Online calculator: Endotracheal tube size for children (Age 1 to 8 years)
Source file: PediatricETTubeSize.eq
EBMcalc Version: 18.1

Equation: CETTID = cett
Default Result Unit: mm
Allowable Result Units:

Equation: UETTID = ucett
Default Result Unit: mm
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: years
Allowable Units: years
Minimum value: 1 years
Maximum value: 8 years

Online calculator: Energy Loss Index and the Severity of Asymptomatic Aortic Stenosis
Source file: ELI.eq
EBMcalc Version: 13.2
Associated ICD10-CM codes Q25.3 Supravalvular aortic stenosis; I06.2 Rheumatic aortic stenosis with insufficiency; I06.0 Rheumatic aortic stenosis; Q24.4 Congenital subaortic stenosis
Associated ICD9-CM codes 746.81 Cong subaortic stenosis; 396.0 Mitral/aortic stenosis; 395.0 Rheumat aortic stenosis; 395.2 Rheum aortic sten/insuff

Equation: BSA = 0.007184 * power(Height, 0.725) * power(Weight, 0.425)
Default Result Unit: sqm
Allowable Result Units:

Equation: ELI = AVA * Aa / (Aa - AVA) / BSA
Default Result Unit: sqcm/sqm
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: AVA
Default Unit: sqcm
Allowable Units: sqcm

Variable: Aa
Default Unit: sqcm
Allowable Units: sqcm

Online calculator: England Fraser Index for Differentiating Beta-thalassemia Trait from Iron-deficiency
Source file: EnglandFraser.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes D56.9 Thalassemia, unspecified; D56.3 Thalassemia minor; D50.9 Iron deficiency anemia, unspecified; D50.8 Other iron deficiency anemias; D50.1 Sideropenic dysphagia; D50.8 Other iron deficiency anemias
Associated ICD9-CM codes 282.4 Thalassemias; 280.1 Iron def anemia dietary; 280.8 Iron defic anemia nec; 280.9 Iron defic anemia nos

Equation: England_Fraser_Index = MCV - (Hgb * 5) - RBC - k
Default Result Unit: index
Allowable Result Units:

Variable: MCV
LOINC: 30428-7 : fL : 787-2 : fL
Default Unit: fL
Allowable Units: fL

Variable: Hgb
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL

Variable: RBC
LOINC: 789-8 : x10(6)/microL : 790-6 : 10^9/microL
Default Unit: x10(12)/L
Allowable Units: x10(12)/L

Online calculator: Epidural Formulation Compounding Calculator
Source file: EpiduralCompounding.eq
EBMcalc Version: 8.9

Equation: Opioid_Volume = Desired_Opioid_Concentration * Desired_Volume / Stock_Opioid_Concentration
Default Result Unit: mL
Allowable Result Units:

Equation: Caine_Volume = Desired_Caine_Percent * Desired_Volume / Stock_Caine_Percent
Default Result Unit: mL
Allowable Result Units:

Equation: Diluent_Volume = Desired_Volume - Caine_Volume - Opioid_Volume
Default Result Unit: mL
Allowable Result Units:

Variable: Desired_Volume
Default Unit: mL
Allowable Units: mL

Variable: Stock_Opioid_Concentration
Default Unit: mg/mL
Allowable Units: mg/mL

Variable: Desired_Opioid_Concentration
Default Unit: mg/mL
Allowable Units: mg/mL

Variable: Stock_Caine_Percent
Default Unit: %
Allowable Units: %

Variable: Desired_Caine_Percent
Default Unit: %
Allowable Units: %

Online calculator: Esophageal Varices: Prediction from Platelet Count to Spleen Diameter Ratio
Source file: EsophVaricesRisk.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes I85.00 Esophageal varices without bleeding; I85.10 Secondary esophageal varices without bleeding; I85.01 Esophageal varices with bleeding
Associated ICD9-CM codes 456.0 Esophag varices w bleed; 456.21 Esoph varice oth dis nos; 456.1 Esoph varices w/o bleed

Equation: PCSD_Ratio = Platelet_Count / Spleen_Diameter
Default Result Unit: ratio
Allowable Result Units:

Variable: Platelet_Count
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: /microL
Allowable Units: /microL

Variable: Spleen_Diameter
Default Unit: mm
Allowable Units: mm

Online calculator: Estimated Blood Volume
Source file: EstimatedBloodVolume.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes D62 Acute posthemorrhagic anemia
Associated ICD9-CM codes 285.1 Ac posthemorrhag anemia

Equation: Blood_Vol = Weight * Avg_Blood_Vol
Default Result Unit: mL
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Radio Button Variable: Avg_Blood_Vol
Discrete variable option: Men Variable value: 75
Discrete variable option: Women Variable value: 65
Discrete variable option: Infants Variable value: 80
Discrete variable option: Neonates Variable value: 85
Discrete variable option: Premature Neonates Variable value: 96

Online calculator: Estimated Date of Delivery (EDD) by LMP and Ultrasound
Source file: EstimatedDateDelivery.eq
EBMcalc Version: 8.9

Online calculator: Estimated Delivery Date (Patient information)
Source file: EstimatedDateDeliveryPatient.eq
EBMcalc Version: 8.9

Online calculator: EUTOS long-term survival (ELTS) score in adults with chronic myeloid leukemia (conventional and SI units)
Source file: ELTS.eq
EBMcalc Version: 20.1

Equation: ELTS_score = 0.0025 * power((Age/10), 3) + (0.0615 * Math.round(Spleen_size_below_costal_margin)) + (0.1052 * Math.round(Blasts_in_peripheral_blood)) + (0.4104 * power((Platelet_count / 1000), -0.5))

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr
Maximum value: 120 yr

Variable: Spleen_size_below_costal_margin
Default Unit: cm
Allowable Units: cm
Maximum value: 30 cm

Variable: Blasts_in_peripheral_blood
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Variable: Platelet_count
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10^9/L
Allowable Units: x10^9/L

Online calculator: False Negative Rate from Sensitivity and Prevalence
Source file: FalseNegativeRateSSP.eq
EBMcalc Version: 8.8

Equation: True_Pos = Sensitivity * Prevalence
Default Result Unit: ratio
Allowable Result Units:

Equation: False_Neg = (1 - Sensitivity) * Prevalence
Default Result Unit: ratio
Allowable Result Units:

Equation: Pre_Test_Odds = Prevalence / (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Equation: False_Neg_Rate = 100 * False_Neg / (True_Pos + False_Neg)
Default Result Unit: %
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Sensitivity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: False Negative Ratio from Sensitivity and Prevalence
Source file: FalseNegativeRatioSP.eq
EBMcalc Version: 8.8

Equation: False_Neg = (1 - Sensitivity) * Prevalence
Default Result Unit: ratio
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Sensitivity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: False Positive Rate from Specificity and Prevalence
Source file: FalsePositiveRateSSP.eq
EBMcalc Version: 8.8

Equation: False_Pos = (1 - Specificity) * (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Equation: True_Neg = Specificity * (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Equation: False_Pos_Rate = 100 * False_Pos / (False_Pos + True_Neg)
Default Result Unit: %
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Specificity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: False Positive Ratio from Specificity and Prevalence
Source file: FalsePositiveRatioSP.eq
EBMcalc Version: 8.8

Equation: False_Pos = (1 - Specificity) * (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Specificity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: Fat Free Mass, a Measure of Lean Body Weight
Source file: FFM.eq
EBMcalc Version: 15.1
Associated ICD10-CM codes R63.6 Underweight; R63.5 Abnormal weight gain; R63.4 Abnormal weight loss; Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories
Associated ICD9-CM codes 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity; 783.21 Abnormal loss of weight; 783.1 Abnormal weight gain; 783.22 Underweight

Equation: Body_Mass_Index = Actual_Weight / power((Height / 100),2)
LOINC of Result: 39156-5 : kg/m^2 : 59576-9 : kg/m^2 : 89270-3 : kg/m^2
Default Result Unit: kg/m²
Allowable Result Units:

Equation: Fat_Free_Mass = (9270 * Actual_Weight) / ((X * Body_Mass_Index) + Y)
Default Result Unit: kg
Allowable Result Units:

Variable: Actual_Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Online calculator: Fear Avoidance Beliefs Questionnaire (FABQ) about Physical Activity
Source file: FearAvoidActivity.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes Z71.1 Person with feared health complaint in whom no diagnosis is made; F40.232 Fear of other medical care
Associated ICD9-CM codes V65.5 Persn w feared complaint

Equation: FABQ = Q2 + Q3 + Q4 + Q5
Default Result Unit: points
Allowable Result Units:

Online calculator: Fear Avoidance Beliefs Questionnaire (FABQ) about Work
Source file: FearAvoidWork.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes Z71.1 Person with feared health complaint in whom no diagnosis is made; F40.232 Fear of other medical care
Associated ICD9-CM codes V65.5 Persn w feared complaint

Equation: FABQ = Q6 + Q7 + Q9 + Q10 + Q11 + Q12 + Q15
Default Result Unit: points
Allowable Result Units:

Online calculator: Fenton weight-for-gestational age percentiles, 22 to 50 weeks gestation (2007, not sex-specific)
Source file: FentonWeightForGestationalAge.eq
EBMcalc Version: 23.3

Equation: Z_Score = zScoreInterp(LMS_WA, Gestational_Age, Weight)

Equation: Percentile = ZtoPercentile(Z_Score)

Variable: Gestational_Age
LOINC: 18185-9 : wk : 11884-4 : wk : 49052-4 : days : 49051-6 : wk
Default Unit: wks
Allowable Units: wks
Minimum value: 22 wks
Maximum value: 50 wks

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 0.1 kg
Maximum value: 20 kg

Online calculator: Fractional Excretion of Amylase (Amylase to creatinine clearance ratio)
Source file: FractExcAmylase.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E16.9 Disorder of pancreatic internal secretion, unspecified; E16.8 Other specified disorders of pancreatic internal secretion; K86.9 Disease of pancreas, unspecified; K86.1 Other chronic pancreatitis; K85.9 Acute pancreatitis, unspecified
Associated ICD9-CM codes 577.0 Acute pancreatitis; 577.1 Chronic pancreatitis; 577.9 Pancreatic disease nos; 251.8 Pancreatic disorder nec; 251.9 Pancreatic disorder nos

Equation: FE_Amylase = 100 * (Urine_Amylase * Plasma_Creat) / (Plasma_Amylase * Urine_Creat)
LOINC of Result: 30077-2 : % : 1811-9 : %
Default Result Unit: %
Allowable Result Units:

Variable: Urine_Amylase
LOINC: 1799-6 : u/L
Default Unit: U/L_UAmy
Allowable Units: U/L_UAmy

Variable: Plasma_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Plasma_Amylase
LOINC: 1798-8 : u/L
Default Unit: U/L_Amy
Allowable Units: U/L_Amy

Variable: Urine_Creat
LOINC: 35674-1 : mg/dL : 2161-8 : mg/dL : 14683-7 : mmol/L : 22726-4
Default Unit: mg/dL_UCr
Allowable Units: mg/dL_UCr

Online calculator: Fractional Excretion of Calcium (FECa)
Source file: FractExcCalcium.eq
EBMcalc Version: 23.3

Equation: FE_Calcium = (Urine_Calcium / Serum_Calcium) / (Urine_Creatinine / Serum_Creatinine)
Default Result Unit: fraction
Allowable Result Units:

Variable: Urine_Calcium
LOINC: 2004-0 : mmol/L : 17862-4 : mg/dL
Default Unit: mg/dL_Ca
Allowable Units: mg/dL_Ca

Variable: Serum_Calcium
LOINC: 17861-6 : mg/dL : 38250-7 : mg/dL : 2000-8 : mmol/L
Default Unit: mg/dL_Ca
Allowable Units: mg/dL_Ca

Variable: Urine_Creatinine
LOINC: 35674-1 : mg/dL : 2161-8 : mg/dL : 14683-7 : mmol/L : 22726-4
Default Unit: mg/dL_UCr
Allowable Units: mg/dL_UCr

Variable: Serum_Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Online calculator: Fractional Excretion of Magnesium (SI units)
Source file: FractExcMg_SI.eq
EBMcalc Version: 11.3
Associated ICD10-CM codes E83.49 Other disorders of magnesium metabolism; E61.2 Magnesium deficiency; E83.40 Disorders of magnesium metabolism, unspecified; Z88.1 Allergy status to other antibiotic agents status
Associated ICD9-CM codes 275.2 Dis magnesium metabolism; E930.0 Adv eff antibiotic nos; E930.0 Adv eff antibiotics nec; V14.1 Hx-antibiot allergy nec

Equation: FE_Mg = 100 * (Urine_Mg * Plasma_Cr) / (0.7 * Plasma_Mg * Urine_Cr)
Default Result Unit: %
Allowable Result Units:

Variable: Urine_Mg
LOINC: 19124-7 : mg/dL : 32024-2 : mg/dL : 2598-1 : mmol/L
Default Unit: mmol/L_UMg
Allowable Units: mmol/L_UMg

Variable: Plasma_Mg
LOINC: 2601-3 : mmol/L : 19123-9 : mg/dL
Default Unit: mmol/L_Mg
Allowable Units: mmol/L_Mg

Variable: Urine_Cr
LOINC: 35674-1 : mg/dL : 2161-8 : mg/dL : 14683-7 : mmol/L : 22726-4
Default Unit: mmol/L_UCr
Allowable Units: mmol/L_UCr

Variable: Plasma_Cr
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mmol/L_Cr
Allowable Units: mmol/L_Cr

Online calculator: Fractional Excretion of Magnesium
Source file: FractExcMg.eq
EBMcalc Version: 11.3
Associated ICD10-CM codes E83.49 Other disorders of magnesium metabolism; E61.2 Magnesium deficiency; E83.40 Disorders of magnesium metabolism, unspecified; Z88.1 Allergy status to other antibiotic agents status
Associated ICD9-CM codes 275.2 Dis magnesium metabolism; E930.0 Adv eff antibiotic nos; E930.0 Adv eff antibiotics nec; V14.1 Hx-antibiot allergy nec

Equation: FE_Mg = 100 * (Urine_Mg * Plasma_Cr) / (0.7 * Plasma_Mg * Urine_Cr)
Default Result Unit: %
Allowable Result Units:

Variable: Urine_Mg
LOINC: 19124-7 : mg/dL : 32024-2 : mg/dL : 2598-1 : mmol/L
Default Unit: mg/dL_UMg
Allowable Units: mg/dL_UMg

Variable: Plasma_Mg
LOINC: 2601-3 : mmol/L : 19123-9 : mg/dL
Default Unit: mg/dL_Mg
Allowable Units: mg/dL_Mg

Variable: Urine_Cr
LOINC: 35674-1 : mg/dL : 2161-8 : mg/dL : 14683-7 : mmol/L : 22726-4
Default Unit: mg/dL_UCr
Allowable Units: mg/dL_UCr

Variable: Plasma_Cr
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Online calculator: Fractional excretion of phosphate (FePO₄)
Source file: FractExcPhos.eq
EBMcalc Version: 18.4
Associated ICD10-CM codes Z13.89 Encounter for screening for other disorder; M10.40 Other secondary gout, unspecified site; M10.9 Gout, unspecified
Associated ICD9-CM codes 274.9 Gout nos; 274.89 Gout w manifestation nec; V77.5 Screening for gout

Equation: FEPO4 = (Urine_phosphate / Serum_phosphate) / (Urine_creatinine / Serum_creatinine) * 100
Default Result Unit: %
Allowable Result Units:

Variable: Urine_phosphate
Default Unit: mg/dL_PO4
Allowable Units: mg/dL_PO4
Minimum value: 0.1 mg/dL_PO4
Maximum value: 100 mg/dL_PO4

Variable: Serum_phosphate
Default Unit: mg/dL_PO4
Allowable Units: mg/dL_PO4
Minimum value: 0.1 mg/dL_PO4
Maximum value: 30 mg/dL_PO4

Variable: Urine_creatinine
Default Unit: mg/dL_UCr
Allowable Units: mg/dL_UCr
Maximum value: 5000 mg/dL_UCr

Variable: Serum_creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr
Maximum value: 100 mg/dL_Cr

Online calculator: Fractional Excretion of Sodium (FENa)
Source file: FractExcSodium.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N17.2 Acute kidney failure with medullary necrosis; N19 Unspecified kidney failure; N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified
Associated ICD9-CM codes 276.5 Hypovolemia; 584.9 Acute renal failure nos; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos; 586 Renal failure nos; 583.7 Nephr nos/medull necros

Equation: FE_Na = (Urine_Na / Serum_Na) / (Urine_Cr / Serum_Cr) * 100
LOINC of Result: 49135-7 : %
Default Result Unit: %
Allowable Result Units:

Variable: Urine_Na
LOINC: 2955-3 : mEq/L : 35678-2 : mEq/L : 2955-3 : mmol/L : 35678-2 : mmol/L
Default Unit: mEq/L_UNa
Allowable Units: mEq/L_UNa

Variable: Serum_Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Variable: Urine_Cr
LOINC: 35674-1 : mg/dL : 2161-8 : mg/dL : 14683-7 : mmol/L : 22726-4
Default Unit: mg/dL_UCr
Allowable Units: mg/dL_UCr

Variable: Serum_Cr
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Online calculator: Fractional Excretion of Sodium (FENa, SI units)
Source file: FractExcSodium_SI.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N17.2 Acute kidney failure with medullary necrosis; N19 Unspecified kidney failure; N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified
Associated ICD9-CM codes 276.5 Hypovolemia; 584.9 Acute renal failure nos; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos; 586 Renal failure nos; 583.7 Nephr nos/medull necros

Equation: FE_Na = (Urine_Na / Serum_Na) / (Urine_Cr / Serum_Cr) * 100
LOINC of Result: 49135-7 : %
Default Result Unit: %
Allowable Result Units:

Variable: Urine_Na
LOINC: 2955-3 : mEq/L : 35678-2 : mEq/L : 2955-3 : mmol/L : 35678-2 : mmol/L
Default Unit: mmol/L_UNa
Allowable Units: mmol/L_UNa

Variable: Serum_Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mmol/L_Na
Allowable Units: mmol/L_Na

Variable: Urine_Cr
LOINC: 35674-1 : mg/dL : 2161-8 : mg/dL : 14683-7 : mmol/L : 22726-4
Default Unit: mcmol/L_UCr
Allowable Units: mcmol/L_UCr

Variable: Serum_Cr
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mcmol/L_Cr
Allowable Units: mcmol/L_Cr

Online calculator: Fractional Excretion of Urate
Source file: FractExcUrate.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z13.89 Encounter for screening for other disorder; M10.40 Other secondary gout, unspecified site; M10.9 Gout, unspecified
Associated ICD9-CM codes 274.9 Gout nos; 274.89 Gout w manifestation nec; V77.5 Screening for gout

Equation: FE_Urate = (Urine_Urate / Serum_Urate) / (Urine_Cr / Serum_Cr) * 100
Default Result Unit: %
Allowable Result Units:

Variable: Urine_Urate
LOINC: 3086-6 : mg/dL : 14934-4 : mcmol/L
Default Unit: mg/dL_Urate
Allowable Units: mg/dL_Urate

Variable: Serum_Urate
LOINC: 3084-1 : mg/dL : 14933-6 : mcmol/L
Default Unit: mg/dL_UUrate
Allowable Units: mg/dL_UUrate

Variable: Urine_Cr
LOINC: 35674-1 : mg/dL : 2161-8 : mg/dL : 14683-7 : mmol/L : 22726-4
Default Unit: mg/dL_UCr
Allowable Units: mg/dL_UCr

Variable: Serum_Cr
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Online calculator: Fractional Excretion of Urea (FEUrea)
Source file: FractExcUrea.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N17.2 Acute kidney failure with medullary necrosis; N19 Unspecified kidney failure; N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified
Associated ICD9-CM codes 276.5 Hypovolemia; 584.9 Acute renal failure nos; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos; 586 Renal failure nos; 583.7 Nephr nos/medull necros

Equation: FE_Urea = (Urine_Urea / Serum_Urea) / (Urine_Cr / Serum_Cr) * 100
Default Result Unit: %
Allowable Result Units:

Variable: Urine_Urea
LOINC: 3095-7 : mg/dL : 3092-4 : mg/dL : 14938-5 : mmol/L : 22700-9 : mmol/L
Default Unit: mg/dL_UBUN
Allowable Units: mg/dL_UBUN

Variable: Serum_Urea
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: Urine_Cr
LOINC: 35674-1 : mg/dL : 2161-8 : mg/dL : 14683-7 : mmol/L : 22726-4
Default Unit: mg/dL_UCr
Allowable Units: mg/dL_UCr

Variable: Serum_Cr
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Online calculator: Friedewald Equation for Low Density Lipoprotein (LDL-C)
Source file: Friedewald.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E78.2 Mixed hyperlipidemia; E78.5 Hyperlipidemia, unspecified; E78.4 Other hyperlipidemia
Associated ICD9-CM codes 272.4 Hyperlipidemia nec/nos; 272.2 Mixed hyperlipidemia

Equation: LDL = Total_Chol - (Triglyceride / 5) - HDL
LOINC of Result: 13457-7 : mg/dL : 18262-6 : mg/dL : 39469-2 : mmol/L
Default Result Unit: mg/dL_LDL
Allowable Result Units:

Variable: Total_Chol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol

Variable: HDL
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mg/dL_HDL
Allowable Units: mg/dL_HDL

Variable: Triglyceride
LOINC: 2571-8 : mg/dL : 3043-7 : mg/dL : 14927-8 : mmol/L : 70218-3 : mmol/L
Default Unit: mg/dL_Trig
Allowable Units: mg/dL_Trig
Maximum value: 400 mg/dL_Trig

Online calculator: Friedewald Equation for Low Density Lipoprotein (LDL-C, SI units)
Source file: Friedewald_SI.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E78.2 Mixed hyperlipidemia; E78.5 Hyperlipidemia, unspecified; E78.4 Other hyperlipidemia
Associated ICD9-CM codes 272.4 Hyperlipidemia nec/nos; 272.2 Mixed hyperlipidemia

Equation: LDL = Total_Chol - (Triglyceride / 2.2) - HDL
LOINC of Result: 13457-7 : mg/dL : 18262-6 : mg/dL : 39469-2 : mmol/L
Default Result Unit: mmol/L_LDL
Allowable Result Units:

Variable: Total_Chol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mmol/L_Chol
Allowable Units: mmol/L_Chol

Variable: HDL
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mmol/L_HDL
Allowable Units: mmol/L_HDL

Variable: Triglyceride
LOINC: 2571-8 : mg/dL : 3043-7 : mg/dL : 14927-8 : mmol/L : 70218-3 : mmol/L
Default Unit: mmol/L_Trig
Allowable Units: mmol/L_Trig
Maximum value: 4.499 mmol/L_Trig

Online calculator: Functional Residual Capacity
Source file: FunctResCap.eq
EBMcalc Version: 8.7

Equation: Func_Res_Cap = Exp_Reserve_Vol + Residual_Vol
Default Result Unit: L
Allowable Result Units:

Variable: Exp_Reserve_Vol
Default Unit: L
Allowable Units: L

Variable: Residual_Vol
Default Unit: L
Allowable Units: L

Online calculator: Geriatric-Sensitive Perioperative Cardiac Risk Index (GSCRI)
Source file: GSCRI.cc
EBMcalc Version: 22.3

Equation: Log_Risk_Factors = CVA + ASA + Surgery_Type + Functional_Status + Creat_Factor + CHF + Diabetes - 6.79

Equation: MICA_Odds = eTo(Log_Risk_Factors)

Equation: MICA_Risk = 100 * MICA_Odds / (1 + MICA_Odds)
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: CVA
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 2.08

Variable: Serum_Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr
Minimum value: 0.01 mg/dL_Cr
Maximum value: 100 mg/dL_Cr

Radio Button Variable: Functional_Status
Discrete variable option: Independent Variable value: 0
Discrete variable option: Partially dependent Variable value: 0.23
Discrete variable option: Completely dependent Variable value: 0.72

Radio Button Variable: CHF
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.6

Radio Button Variable: Diabetes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.09
Discrete variable option: Yes and insulin dependent Variable value: 0.47

Online calculator: Gestational Age from Estimated Date of Delivery (EDD)
Source file: GestationalAgeFromEDD.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes O99.89 Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium; O26.90 Pregnancy related conditions, unspecified, unspecified trimester; Z33.1 Pregnant state, incidental; O09.00 Supervision of pregnancy with history of infertility, unspecified trimester; O09.291 Supervision of pregnancy with other poor reproductive or obstetric history, first trimester; O48.1 Prolonged pregnancy
Associated ICD9-CM codes 645.20 Prolonged preg-unsp; 645.21 Prolonged preg-del; 645.23 Prolonged preg-antepar; V23.5 Preg w poor reproduct hx; V23.49 Preg w poor obs hx nec; V23.0 Preg w hx of infertility; V22.2 Preg state, incidental; V72.4 Preg exam-preg unconfirm; 646.90 Preg compl nos-unspec; 646.93 Preg compl nos-antepart; 633.01 Abd preg w intraut preg

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by AASK Equation
Source file: GFR_AASK.eq
EBMcalc Version: 15.1
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: eGFR = 329 * power(Creatinine, -1.096) * power(Age, -0.294) * Sex
LOINC of Result: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Result Unit: mL/min/1.73 m²
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.736
Discrete variable option: Male Variable value: 1

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by CKD-EPI Equation (2009)
Source file: GFR_CKD_EPI.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: GFR = 141 * power(Math.min(Serum_Creatinine/kappa, 1), alpha) * power(Math.max(Serum_Creatinine/kappa, 1), -1.209) * power(0.993,Age) * Sex_Factor * Race
LOINC of Result: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Result Unit: mL/min/1.73 m²
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Radio Button Variable: Race
Discrete variable option: American Indian or Alaska Native Variable value: 1
Discrete variable option: Asian Variable value: 1
Discrete variable option: Black or African American Variable value: 1.159
Discrete variable option: Native Hawaiian or Other Pacific Islander Variable value: 1
Discrete variable option: White Variable value: 1

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Serum_Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by CKD-EPI Equation with Creatinine and Cystatin C, without Race (2021)
Source file: GFR_CKD_EPI_with_Cystatin_2021.eq
EBMcalc Version: 22.4
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: eGFR = Math.round(eGFR_not_rounded)
LOINC of Result: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Result Unit: mL/min/1.73m2
Allowable Result Units:

Equation: BSA = 0.007184 * power(Height, 0.725) * power(Weight, 0.425)
Default Result Unit: sqm
Allowable Result Units:

Equation: eGFR_for_this_BSA = Math.round(eGFR_BSA_not_rounded)
Default Result Unit: mL/min
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr
Maximum value: 120 yr

Variable: Serum_Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr
Minimum value: 0.3 mg/dL_Cr
Maximum value: 30 mg/dL_Cr

Variable: Cystatin_C
LOINC: 33863-2 : mg/L
Default Unit: mg/L
Allowable Units: mg/L

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by CKD-EPI Equation with Creatinine, without Race (2021)
Source file: GFR_CKD_EPI_2021.eq
EBMcalc Version: 21.4
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: eGFR = Math.round(eGFR_not_rounded)
LOINC of Result: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Result Unit: mL/min/1.73m2
Allowable Result Units:

Equation: BSA = 0.007184 * power(Height, 0.725) * power(Weight, 0.425)
Default Result Unit: sqm
Allowable Result Units:

Equation: eGFR_for_this_BSA = Math.round(eGFR_BSA_not_rounded)
Default Result Unit: mL/min
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr
Maximum value: 120 yr

Variable: Serum_Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr
Minimum value: 0.3 mg/dL_Cr
Maximum value: 30 mg/dL_Cr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by CKD-EPI Equation with Cystatin C, without Race (2012)
Source file: GFR_CKD_EPI_by_Cystatin_2012.eq
EBMcalc Version: 22.4
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: eGFR = Math.round(eGFR_not_rounded)
LOINC of Result: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Result Unit: mL/min/1.73m2
Allowable Result Units:

Equation: BSA = 0.007184 * power(Height, 0.725) * power(Weight, 0.425)
Default Result Unit: sqm
Allowable Result Units:

Equation: eGFR_for_this_BSA = Math.round(eGFR_BSA_not_rounded)
Default Result Unit: mL/min
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.932
Discrete variable option: Male Variable value: 1

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr
Maximum value: 120 yr

Variable: Cystatin_C
LOINC: 33863-2 : mg/L
Default Unit: mg/L
Allowable Units: mg/L

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by CKiD U25 Equations with Creatinine and/or Cystatin C in Children and Adults ≤25 Years Old (2021)
Source file: GFR_CKiD_21.eq
EBMcalc Version: 22.4

Equation: eGFR_by_Creatinine = K_Creat * (Height / 100) / Serum_Creatinine
Default Result Unit: mL/min/1.73 m2
Allowable Result Units:

Equation: eGFR_by_Cystatin_C = K_CysC / Serum_Cystatin_C
Default Result Unit: mL/min/1.73 m2
Allowable Result Units:

Equation: Average_eGFR = (eGFR_by_Creatinine + eGFR_by_Cystatin_C) / 2
Default Result Unit: mL/min/1.73 m2
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 1 yr
Maximum value: 25 yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 60 cm
Maximum value: 200 cm

Variable: Serum_Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr
Minimum value: 0.1 mg/dL_Cr
Maximum value: 10 mg/dL_Cr

Variable: Serum_Cystatin_C
LOINC: 33863-2 : mg/L
Default Unit: mg/L
Allowable Units: mg/L
Minimum value: 0.2 mg/L
Maximum value: 8 mg/L

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by Quadratic Equation
Source file: GFREstimateQuad.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: GFR = eTo(1.911 + (5.249 / Serum_Creat) - (2.114 / power(Serum_Creat, 2)) - (0.00686 * Age) - Sex)
LOINC of Result: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Result Unit: mL/min/1.73 m²
Allowable Result Units:

Variable: Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr
Minimum value: 0.8 mg/dL_Cr

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.205
Discrete variable option: Male Variable value: 0

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by Schwartz Formula
Source file: GFR_Schwartz.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Glomerular_Filtration_Rate = Muscle_Factor * Height / Serum_Creat
LOINC of Result: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Result Unit: mL/min/1.73 m²
Allowable Result Units:

Variable: Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Radio Button Variable: Muscle_Factor
Discrete variable option: Premature infant up to 1 year of age Variable value: 0.33
Discrete variable option: Term infant up to 1 year of age 1 Variable value: 0.45
Discrete variable option: Child or adolescent girl Variable value: 0.55
Discrete variable option: Adolescent boy Variable value: 0.7

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by the Abbreviated MDRD Study Equation (SI units)
Source file: GFR_MDRD_Abbrev_SI.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Glomerular_Filtration_Rate = 186 * power((Serum_Creat / 88.4), -1.154) * power(Age, -0.203) * Sex * Race
LOINC of Result: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Result Unit: mL/min/1.73 m²
Allowable Result Units:

Variable: Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mcmol/L_Cr
Allowable Units: mcmol/L_Cr

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.742
Discrete variable option: Male Variable value: 1

Radio Button Variable: Race
Discrete variable option: Black or African American Variable value: 1.21
Discrete variable option: Non-Black Variable value: 1

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by the Abbreviated MDRD Study Equation
Source file: GFR_MDRD_Abbrev.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Glomerular_Filtration_Rate = 186 * power(Serum_Creatinine, -1.154) * power(Age, -0.203) * Sex * Race
LOINC of Result: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Result Unit: mL/min/1.73 m²
Allowable Result Units:

Variable: Serum_Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.742
Discrete variable option: Male Variable value: 1

Radio Button Variable: Race
Discrete variable option: American Indian or Alaska Native Variable value: 1
Discrete variable option: Asian Variable value: 1
Discrete variable option: Black or African American Variable value: 1.21
Discrete variable option: Native Hawaiian or Other Pacific Islander Variable value: 1
Discrete variable option: White Variable value: 1

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by the IDMS-Traceable MDRD Study Equation
Source file: GFR_IDMS.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Glomerular_Filtration_Rate = 175 * power(Standardized_Serum_Creat, -1.154) * power(Age, -0.203) * Sex * Race
LOINC of Result: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Result Unit: mL/min/1.73 m²
Allowable Result Units:

Variable: Standardized_Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.742
Discrete variable option: Male Variable value: 1

Radio Button Variable: Race
Discrete variable option: American Indian or Alaska Native Variable value: 1
Discrete variable option: Asian Variable value: 1
Discrete variable option: Black or African American Variable value: 1.21
Discrete variable option: Native Hawaiian or Other Pacific Islander Variable value: 1
Discrete variable option: White Variable value: 1

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by the MDRD Equation (SI units)
Source file: GFR_MDRD_Full_SI.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: GFR = 169.98 * power((Serum_Creat / 88.4), -0.999) * power(Age, -0.176) * Sex * Race * power((BUN / 0.357), -0.170) * power((Albumin / 10), 0.318)
LOINC of Result: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Result Unit: mL/min/1.73 m²
Allowable Result Units:

Variable: Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mcmol/L_Cr
Allowable Units: mcmol/L_Cr

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.762
Discrete variable option: Male Variable value: 1

Radio Button Variable: Race
Discrete variable option: Black or African American Variable value: 1.18
Discrete variable option: Non-Black Variable value: 1

Variable: BUN
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mmol/L_BUN
Allowable Units: mmol/L_BUN

Variable: Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/L_Alb
Allowable Units: g/L_Alb

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by the MDRD Equation
Source file: GFR_MDRD_Full.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: GFR = 170 * power(Serum_Creatinine, -0.999) * power(Age, -0.176) * Sex * Race * power(BUN, -0.170) * power(Albumin, 0.318)
LOINC of Result: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Result Unit: mL/min/1.73 m²
Allowable Result Units:

Variable: Serum_Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.762
Discrete variable option: Male Variable value: 1

Radio Button Variable: Race
Discrete variable option: American Indian or Alaska Native Variable value: 1
Discrete variable option: Asian Variable value: 1
Discrete variable option: Black or African American Variable value: 1.18
Discrete variable option: Native Hawaiian or Other Pacific Islander Variable value: 1
Discrete variable option: White Variable value: 1

Variable: BUN
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb

Online calculator: Glomerular Filtration Rate Estimation (eGFR) by Updated Schwartz Formula
Source file: GFR_Schwartz_Bedside.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Glomerular_Filtration_Rate = 0.413 * Height / Serum_Creat
LOINC of Result: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Result Unit: mL/min/1.73 m²
Allowable Result Units:

Variable: Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Online calculator: Gorlin Formula for Valve Area
Source file: GorlinValveArea.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes I06.0 Rheumatic aortic stenosis; I35.9 Nonrheumatic aortic valve disorder, unspecified; I35.8 Other nonrheumatic aortic valve disorders; I35.0 Nonrheumatic aortic (valve) stenosis; Q25.2 Atresia of aorta
Associated ICD9-CM codes 747.22 Aortic atresia/stenosis; 424.1 Aortic valve disorder; 395.2 Rheum aortic sten/insuff; 395.0 Rheumat aortic stenosis; 394.9 Mitral valve dis nec/nos; 424.0 Mitral valve disorder; 397.0 Tricuspid valve disease; 746.00 Pulmonary valve anom nos

Equation: Valve_Area = ( Cardiac_Output / ( Flow_Time * Heart_Rate )) / ( Valve_Factor * sqr(Valve_Gradient) )
Default Result Unit: sqcm
Allowable Result Units:

Variable: Cardiac_Output
Default Unit: mL/min
Allowable Units: mL/min

Variable: Flow_Time
Default Unit: sec
Allowable Units: sec

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: #
Allowable Units: #

Radio Button Variable: Valve_Factor
Discrete variable option: Aortic Variable value: 44.5
Discrete variable option: Mitral Variable value: 38.0

Variable: Valve_Gradient
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: GRACE 2.0 Score for Acute Coronary Syndrome Prognosis (non-linear model 2014)
Source file: GRACE2Score.cc
EBMcalc Version: 22.4
Associated ICD10-CM codes Z01.810 Encounter for preprocedural cardiovascular examination; R09.89 Other specified symptoms and signs involving the circulatory and respiratory systems; R94.31 Abnormal electrocardiogram [ECG] [EKG]; R94.30 Abnormal result of cardiovascular function study, unspecified; R94.39 Abnormal result of other cardiovascular function study
Associated ICD9-CM codes 794.30 Abn cardiovasc study nos; 794.39 Abn cardiovasc study nec; 794.31 Abnorm electrocardiogram; 785.9 Cardiovas sys symp nec; V72.81 Preop cardiovsclr exam

Equation: GRACE_Score = Math.round(Age_Factor + Heart_Rate_Factor + Systolc_BP_Factor + Serum_Creatinine_Factor + Killip + Arrest + Enzymes + ST_Seg_Dev)
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 30 yr
Maximum value: 90 yr

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min
Maximum value: 300 beats/min

Variable: Systolic_BP
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Minimum value: 60 mmHg
Maximum value: 300 mmHg

Variable: Serum_Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr
Maximum value: 10 mg/dL_Cr

Radio Button Variable: Killip
Discrete variable option: Class 1: no heart failure findings Variable value: 0
Discrete variable option: Class 2: pulmonary rales Variable value: 15
Discrete variable option: Class 3: pulmonary edema Variable value: 29
Discrete variable option: Class 4: cardiogenic shock Variable value: 44

Radio Button Variable: Arrest
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 30

Radio Button Variable: Enzymes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 13

Radio Button Variable: ST_Seg_Dev
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 17

Online calculator: GRACE Score for Acute Coronary Syndrome Prognosis (linear model 2003)
Source file: GRACE_Granger.cc
EBMcalc Version: 22.4
Associated ICD10-CM codes Z01.810 Encounter for preprocedural cardiovascular examination; R09.89 Other specified symptoms and signs involving the circulatory and respiratory systems; R94.31 Abnormal electrocardiogram [ECG] [EKG]; R94.30 Abnormal result of cardiovascular function study, unspecified; R94.39 Abnormal result of other cardiovascular function study
Associated ICD9-CM codes 794.30 Abn cardiovasc study nos; 794.39 Abn cardiovasc study nec; 794.31 Abnorm electrocardiogram; 785.9 Cardiovas sys symp nec; V72.81 Preop cardiovsclr exam

Equation: Terms = (0.0531 * Age) + (0.0087 * Heart_Rate) - (0.0168 * Systolic_BP) + (0.1823 * Serum_Creatinine) + (0.6931 * Killip_class) + Arrest + Enzymes + ST_Seg_Dev -7.7035
Default Result Unit: logit
Allowable Result Units:

Equation: Mort = 100 * eTo(Terms) / (1 + eTo(Terms))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 55 yr
Maximum value: 80 yr

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min
Maximum value: 300 beats/min

Variable: Systolic_BP
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Minimum value: 80 mmHg
Maximum value: 300 mmHg

Variable: Serum_Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Killip_class
Default Unit: number
Allowable Units: number
Minimum value: 1 number
Maximum value: 4 number

Online calculator: Gravity Flow Rate Calculator
Source file: GttsConvert.eq
EBMcalc Version: 20.1

Equation: Drip_Rate = Drop_Factor * Flow_Rate / 60
Default Result Unit: drops/min
Allowable Result Units:

Variable: Flow_Rate
Default Unit: mL/hr
Allowable Units: mL/hr
Minimum value: 5 mL/hr
Maximum value: 1000 mL/hr

Radio Button Variable: Drop_Factor
Discrete variable option: Macro tube 10 drops/mL Variable value: 10
Discrete variable option: Macro tube 15 drops/mL Variable value: 15
Discrete variable option: Macro tube 20 drops/mL Variable value: 20
Discrete variable option: Micro tube 60 drops/mL Variable value: 60

Online calculator: Green King Index for Differentiating Beta-thalassemia Trait from Iron-deficiency
Source file: GreenKing.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes D56.9 Thalassemia, unspecified; D56.3 Thalassemia minor; Z13.0 Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism; D50.9 Iron deficiency anemia, unspecified
Associated ICD9-CM codes 282.4 Thalassemias; 280.9 Iron defic anemia nos; V78.0 Screen-iron defic anemia

Equation: Green_King_Index_Normalized = (power(MCV,2) * RDW / (Hgb * 100)) - Discriminant_Level
Default Result Unit: index
Allowable Result Units:

Variable: MCV
LOINC: 30428-7 : fL : 787-2 : fL
Default Unit: fL
Allowable Units: fL

Variable: RDW
LOINC: 788-0 : % : 30385-9 : %
Default Unit: %
Allowable Units: %

Variable: Hgb
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL

Online calculator: Gupta Perioperative Cardiac Risk Prediction
Source file: GuptaCardiacRisk.cc
EBMcalc Version: 15.1
Associated ICD10-CM codes T81.11XA Postprocedural cardiogenic shock, initial encounter
Associated ICD9-CM codes 998.01 Postoperative shock, car; 410.9 Myocardial infarct nos; 410.8 Myocardial infarct nec; 410 Acute myocardial infarct

Equation: Terms = (Age * 0.02) + Functional_Status + Renal_Function + ASA_Class + Procedure - 5.2529
Default Result Unit: logit
Allowable Result Units:

Equation: Risk = 100 * eTo(Terms) / (1 + eTo(Terms))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Functional_Status
Discrete variable option: Independent Variable value: 0
Discrete variable option: Partially dependent Variable value: 0.6496
Discrete variable option: Totally dependent Variable value: 1.0269

Radio Button Variable: Renal_Function
Discrete variable option: Normal Variable value: 0
Discrete variable option: Creatinine over 1.5 mg/dL Variable value: 0.612
Discrete variable option: Unknown Variable value: -0.0952

Radio Button Variable: ASA_Class
Discrete variable option: Class I Variable value: -5.1735
Discrete variable option: Class II Variable value: -3.2895
Discrete variable option: Class III Variable value: -1.9227
Discrete variable option: Class IV Variable value: -0.9527
Discrete variable option: Class V Variable value: 0

Online calculator: Gupta postoperative pneumonia risk in adults
Source file: GuptaPostOpPneumonia.cc
EBMcalc Version: 23.2

Equation: Terms = -2.8977 + (0.0144 * Age) + COPD + FxStatus + ASA + Sepsis + Smoking + Procedure

Equation: Risk = 100 * eTo(Terms) / (1 + eTo(Terms))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr
Maximum value: 120 yr

Radio Button Variable: COPD
Discrete variable option: No Variable value: -0.4553
Discrete variable option: Yes Variable value: 0

Radio Button Variable: FxStatus
Discrete variable option: Independent Variable value: 0
Discrete variable option: Partially dependent Variable value: 0.7653
Discrete variable option: Totally dependent Variable value: 0.94

Radio Button Variable: ASA
Discrete variable option: 1. Normal healthy patient Variable value: -3.0225
Discrete variable option: 2. Mild systemic disease Variable value: -1.6057
Discrete variable option: 3. Severe systemic disease Variable value: -0.4915
Discrete variable option: 4. Severe systemic disease that is a constant threat to life Variable value: 0.0123
Discrete variable option: 5. Moribund, not expected to survive without surgery Variable value: 0

Radio Button Variable: Sepsis
Discrete variable option: None Variable value: -0.7641
Discrete variable option: Preoperative systemic inflammatory response syndrome Variable value: 0
Discrete variable option: Preoperative sepsis Variable value: -0.0842
Discrete variable option: Preoperative septic shock Variable value: 0.1048

Radio Button Variable: Smoking
Discrete variable option: No Variable value: -0.4306
Discrete variable option: Yes Variable value: 0

Online calculator: Gupta postoperative respiratory failure risk in adults
Source file: GuptaRespFailureIndex.cc
EBMcalc Version: 23.2
Associated ICD10-CM codes J96.20 Acute and chronic respiratory failure, unspecified whether with hypoxia or hypercapnia; J96.90 Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia; J96.00 Acute respiratory failure, unspecified whether with hypoxia or hypercapnia; J96.10 Chronic respiratory failure, unspecified whether with hypoxia or hypercapnia
Associated ICD9-CM codes 518.83 Chronic resp failure; 518.81 Acute resp failure; 518.84 Acute & chr resp failure

Equation: Terms = Functional + ASA + Sepsis + Emergency + Procedure - 1.7397

Equation: PRF = 100 * eTo(Terms) / (1 + eTo(Terms))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Functional
Discrete variable option: Independent Variable value: 0
Discrete variable option: Partially dependent Variable value: 0.7678
Discrete variable option: Totally dependent Variable value: 1.4046

Radio Button Variable: ASA
Discrete variable option: 1. Normal healthy patient Variable value: -3.5265
Discrete variable option: 2. Mild systemic disease Variable value: -2.0008
Discrete variable option: 3. Severe systemic disease Variable value: -0.6201
Discrete variable option: 4. Severe systemic disease that is a constant threat to life Variable value: 0.2441
Discrete variable option: 5. Moribund, not expected to survive without surgery Variable value: 0

Radio Button Variable: Sepsis
Discrete variable option: None Variable value: -0.7840
Discrete variable option: Preoperative systemic inflammatory response syndrome Variable value: 0
Discrete variable option: Preoperative sepsis Variable value: 0.2752
Discrete variable option: Preoperative septic shock Variable value: 0.9035

Radio Button Variable: Emergency
Discrete variable option: No Variable value: -0.5739
Discrete variable option: Yes Variable value: 0

Online calculator: Heart Failure Diagnosis
Source file: HFDx.cc
EBMcalc Version: 11.4
Associated ICD10-CM codes I50.9 Heart failure, unspecified
Associated ICD9-CM codes 428.0 Chf nos; 428.9 Heart failure nos

Equation: Score = Age_Factor + NT_proBNP_Factor + Math.floor((Math.abs(Heart_Rate > 60)) * ((Heart_Rate - 60)/3)) + History_Factors + On_Diuretic + Apical_Displacement + Rales + Irregular + MR_Murmur + High_JVP
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: NT_proBNP
LOINC: 30934-4 : pg/mL : 42637-9 : pg/mL : 33762-6 : pg/mL
Default Unit: pg/mL_NTPBNP
Allowable Units: pg/mL_NTPBNP

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: bpm
Allowable Units: bpm

Online calculator: HEART Score
Source file: HeartScore.cc
EBMcalc Version: 17.3

Equation: HEART_Score = History + Electrocardiogram + Age_Factor + Risk_Factors + Troponin_Factor
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Maximum value: 120 yr

Variable: Troponin
LOINC: 10839-9 : ng/mL : 6598-7 : ng/mL : 49563-0 : ng/mL
Default Unit: ng/mL_Trop
Allowable Units: ng/mL_Trop

Variable: ULN_Troponin
Default Unit: ng/mL_Trop
Allowable Units: ng/mL_Trop

Online calculator: Height Potential: A Child's Target Height Based on Midparental Height
Source file: HeightPotential.eq
EBMcalc Version: 8.9
Associated ICD9-CM codes 253.0 Aacromegaly and gigantism; 259.4 Dwarfism nec

Equation: Target_Height_Female = ((Height_Father - 13) + Height_Mother) / 2

Equation: Target_Height_Male = ((Height_Mother + 13) + Height_Father) / 2

Equation: Height_Potential = Gender_Target_Height
LOINC of Result: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Result Unit: cm
Allowable Result Units:

Equation: Z_score = (power((Height_Potential / M), L) - 1) / (L * S)

Equation: Height_Percentile = ZtoPercentile(Z_score)

Variable: Height_Mother
LOINC: 83846-6 : cm
Default Unit: cm
Allowable Units: cm
Maximum value: 300 cm

Variable: Height_Father
LOINC: 83845-8 : cm
Default Unit: cm
Allowable Units: cm
Maximum value: 300 cm

Online calculator: Henderson-Hasselbach Equation
Source file: HendersonHasselbach.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E87.3 Alkalosis; E87.2 Acidosis
Associated ICD9-CM codes 276.2 Acidosis; 276.3 Alkalosis

Equation: pH = 6.1 + log(HCO3 / (0.03 * PaCO2))
LOINC of Result: 11558-4 : units : 2753-2 : units : 2744-1 : units : 2745-8 : units : 2746-6 : units

Variable: HCO3
LOINC: 2028-9 : mmol/L : 1959-6 : mEq/L : 1960-4 : mEq/L : 14627-4 : mEq/L : 1961-2 : mEq/L : 22735-5 : mEq/L : 1963-8 : mEq/L
Default Unit: mEq/L_HCO3
Allowable Units: mEq/L_HCO3

Variable: PaCO2
LOINC: 2019-8 : mmHg : 34705-4 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: Hepatitis C Cirrhosis Probability
Source file: HepatitisCCirrhosisRisk.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes K77 Liver disorders in diseases classified elsewhere; Z22.52 Carrier of viral hepatitis C; K73.8 Other chronic hepatitis, not elsewhere classified; K73.2 Chronic active hepatitis, not elsewhere classified
Associated ICD9-CM codes 571.49 Chronic hepatitis nec; V02.62 Hepatitis c carrier; 573.1 Hepatitis in viral dis; 573.3 Hepatitis nos

Equation: Probability = 100 / (1 + eTo(7.9625 - (3.0947 * Spider_Angiomata) - (3.0207 * AST_Factor) - (4.2604 * Platelets_Factor) - (3.9621 * Sex)))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 1

Radio Button Variable: Spider_Angiomata
Discrete variable option: Absent Variable value: 0
Discrete variable option: Present Variable value: 1

Variable: AST
LOINC: 1920-8 : U/L : 27344-1 : U/L : 1919-0 : U/L : 30239-8 : U/L
Default Unit: IU/L_AST
Allowable Units: IU/L_AST

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10(3)/microL
Allowable Units: x10(3)/microL

Online calculator: Hepatitis C Fibrosis Prediction Score
Source file: HepatitisCFibrosisScore.eq
EBMcalc Version: 8.8
Associated ICD10-CM codes K77 Liver disorders in diseases classified elsewhere; Z22.52 Carrier of viral hepatitis C; K73.8 Other chronic hepatitis, not elsewhere classified; K73.2 Chronic active hepatitis, not elsewhere classified
Associated ICD9-CM codes 571.49 Chronic hepatitis nec; V02.62 Hepatitis c carrier; 573.1 Hepatitis in viral dis; 573.3 Hepatitis nos

Equation: Score = 7.81 - (3.131 * ln(Plt_Count)) + (0.781 * ln(GGT)) + (3.467 * ln(Age)) - (0.014 * Chol)

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Plt_Count
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10(3)/mcL
Allowable Units: x10(3)/mcL

Variable: GGT
LOINC: 2324-2 : U/L : 17858-2 : U/L
Default Unit: U/L_GGT
Allowable Units: U/L_GGT

Variable: Chol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol

Online calculator: Hepatitis Discriminant Function for Corticosteroid Therapy in Alcoholic Hepatitis
Source file: HepatitisCriteria.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes T51.0X4A Toxic effect of ethanol, undetermined, initial encounter; K71.6 Toxic liver disease with hepatitis, not elsewhere classified; K70.30 Alcoholic cirrhosis of liver without ascites; K70.10 Alcoholic hepatitis without ascites
Associated ICD9-CM codes 571.1 Ac alcoholic hepatitis; 571.2 Alcohol cirrhosis liver; 980 Alcohol toxicity; 980.0 Toxic eff ethyl alcohol; 571.49 Chronic hepatitis nec; 573.3 Hepatitis nos

Equation: Index = 4.6 * (Prothrombin_Time - Control_Prothrombin_Time) + Bilirubin

Variable: Prothrombin_Time
LOINC: 5902-2 : sec
Default Unit: sec
Allowable Units: sec

Variable: Control_Prothrombin_Time
LOINC: 5901-4 : sec
Default Unit: sec
Allowable Units: sec
Default value: 12 sec

Variable: Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili

Online calculator: HOMA Formula: Homeostasis Model Assessment of Insulin Resistance
Source file: HOMA.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E88.81 Metabolic syndrome; E11.65 Type 2 diabetes mellitus with hyperglycemia; E11.9 Type 2 diabetes mellitus without complications; E10.65 Type 1 diabetes mellitus with hyperglycemia; E10.9 Type 1 diabetes mellitus without complications
Associated ICD9-CM codes 250.01 Dmi wo cmp nt st uncntrl; 250.03 Dmi wo cmp uncntrld; 250.00 Dmii wo cmp nt st uncntr; 250.02 Dmii wo cmp uncntrld; 277.7 Dysmetabolic syndrome x

Equation: HOMA_IR = Fasting_Insulin * Fasting_Glu / 22.5

Variable: Fasting_Insulin
Default Unit: mIU/L_Insulin
Allowable Units: mIU/L_Insulin

Variable: Fasting_Glu
LOINC: 2345-7 : mg/dL : 2339-0 : mg/dL : 39480-9 : mmol/L : 32318-8 : mmol/L
Default Unit: mmol/L_Glu
Allowable Units: mmol/L_Glu

Online calculator: Housestaff Activity Index
Source file: HousestaffActivityIndex.eq
EBMcalc Version: 8.9

Equation: Activity_Index = Census + (2 * Admits) + (1.75 * Discharges)

Variable: Census
Default Unit: #
Allowable Units: #

Variable: Admits
Default Unit: #
Allowable Units: #

Variable: Discharges
Default Unit: #
Allowable Units: #

Online calculator: Hyponatremia Correction Infusate Rate
Source file: HyponatremiaCorrection.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E87.8 Other disorders of electrolyte and fluid balance, not elsewhere classified
Associated ICD9-CM codes 276.9 Electrolyt/fluid dis nec

Equation: Infusate_Rate = (1000 * Serum_Na_Change_Per_Hr * ((Water_Fract * Weight) + 1)) / (IV_Na + IV_K - Serum_Na)
Default Result Unit: mL/hr
Allowable Result Units:

Equation: Serum_Na_Change_Per_Liter = (IV_Na + IV_K - Serum_Na) / ((Water_Fract * Weight) + 1)
Default Result Unit: mEq/L_Na
Allowable Result Units:

Variable: Serum_Na_Change_Per_Hr
Default Unit: mEq/L/hr
Allowable Units: mEq/L/hr
Default value: 0.25 mEq/L/hr
Maximum value: 2 mEq/L/hr

Variable: Serum_Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Radio Button Variable: Water_Fract
Discrete variable option: Child Variable value: 0.6
Discrete variable option: Adult Female Variable value: 0.5
Discrete variable option: Elderly Female Variable value: 0.45
Discrete variable option: Adult Male Variable value: 0.6
Discrete variable option: Elderly Male Variable value: 0.5

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Radio Button Variable: IV_Na
Discrete variable option: 5% NaCl Variable value: 855
Discrete variable option: 3% NaCl Variable value: 513
Discrete variable option: 0.9% NaCl (Normal Saline) Variable value: 154
Discrete variable option: Ringer Lactate (Includes 4 mEq/L K+) Variable value: 134

Variable: IV_K
Default Unit: mEq/L_K
Allowable Units: mEq/L_K

Online calculator: Ideal body weight (method of Devine) and adjusted body weight for adults
Source file: IBW_Devine.eq
EBMcalc Version: 8.9

Equation: Ideal_body_weight = Sex + (2.3 * (Height - 60))
Default Result Unit: kg
Allowable Result Units:

Equation: Adjusted_body_weight = 0.4 * (Actual_weight - Ideal_body_weight) + Ideal_body_weight
Default Result Unit: kg
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 45.5
Discrete variable option: Male Variable value: 50

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: in
Allowable Units: in
Minimum value: 60 in
Maximum value: 108 in

Variable: Actual_weight
Default Unit: kg
Allowable Units: kg
Minimum value: 30 kg
Maximum value: 300 kg

Online calculator: Ideal Body Weight Percentage
Source file: IdealBodyWgt_P.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes R63.6 Underweight; R63.5 Abnormal weight gain; R63.4 Abnormal weight loss; Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories
Associated ICD9-CM codes 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity; 783.21 Abnormal loss of weight; 783.1 Abnormal weight gain; 783.22 Underweight

Equation: IBW = Weight * 100 / (power(Height, 2) * Sex)
Default Result Unit: %
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: m
Allowable Units: m

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 21.5
Discrete variable option: Male Variable value: 23

Online calculator: Ideal Body Weight
Source file: IdealBodyWgt.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes R63.6 Underweight; R63.5 Abnormal weight gain; R63.4 Abnormal weight loss; Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories
Associated ICD9-CM codes 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity; 783.21 Abnormal loss of weight; 783.1 Abnormal weight gain; 783.22 Underweight

Equation: IBW = power(Height, 2) * Sex
Default Result Unit: kg
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: m
Allowable Units: m

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 21.5
Discrete variable option: Male Variable value: 23

Online calculator: In-Flight PaO2 Estimation (using PFT's)
Source file: InFlightPaO2PFTs.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes Y92.813 Airplane as the place of occurrence of the external cause; J96.01 Acute respiratory failure with hypoxia; J96.21 Acute and chronic respiratory failure with hypoxia; J96.91 Respiratory failure, unspecified with hypoxia; J96.11 Chronic respiratory failure with hypoxia
Associated ICD9-CM codes V46.2 Dependence supp oxygen

Equation: PaO2 = 22.26 + (0.238 * Sea_Level_PaO2) + (20.1 * FEV1 / FVC)
LOINC of Result: 11556-8 : mmHg : 2703-7 : mmHg : 19254-2 : mmHg
Default Result Unit: mmHg
Allowable Result Units:

Variable: Sea_Level_PaO2
Default Unit: mmHg
Allowable Units: mmHg

Variable: FEV1
LOINC: 20150-9 : L
Default Unit: L
Allowable Units: L

Variable: FVC
LOINC: 19872-1 : L
Default Unit: L
Allowable Units: L

Online calculator: In-Flight PaO2 Estimation
Source file: InFlightPaO2.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes Y92.813 Airplane as the place of occurrence of the external cause; J96.01 Acute respiratory failure with hypoxia; J96.21 Acute and chronic respiratory failure with hypoxia; J96.91 Respiratory failure, unspecified with hypoxia; J96.11 Chronic respiratory failure with hypoxia
Associated ICD9-CM codes V46.2 Dependence supp oxygen

Equation: PaO2 = 1.59 + (0.98 * Sea_Level_PaO2) + (0.0031 * Altitude) - (0.000061 * Sea_Level_PaO2 * Altitude) - (0.000065 * Sea_Level_PaCO2 * Altitude) + (0.000000092 * power(Altitude,2))
LOINC of Result: 11556-8 : mmHg : 2703-7 : mmHg : 19254-2 : mmHg
Default Result Unit: mmHg
Allowable Result Units:

Variable: Altitude
Default Unit: feet
Allowable Units: feet
Default value: 8000 feet
Maximum value: 8000 feet

Variable: Sea_Level_PaO2
Default Unit: mmHg
Allowable Units: mmHg

Variable: Sea_Level_PaCO2
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: Injury Severity Score (ISS)
Source file: ISS.eq
EBMcalc Version: 13.1
Associated ICD10-CM codes S06.360A Traumatic hemorrhage of cerebrum, unspecified, without loss of consciousness, initial encounter; T79.8XXA Other early complications of trauma, initial encounter; G89.11 Acute pain due to trauma; Z48.89 Encounter for other specified surgical aftercare
Associated ICD9-CM codes V58.43 Aftercar inj/trauma surg; 338.11 Acute pain d/t trauma; 958.8 Early complic trauma nec; 852.4 Traumatic extradural hem; 853.00 Traumatic brain hem nec; 896 Traumatic amputat foot; 887 Traumatic amput arm/hand

Equation: ISS = power(BodyParts[5],2) + power(BodyParts[4],2) + power(BodyParts[3],2)
Default Result Unit: points
Allowable Result Units:

Online calculator: Inspiratory Capacity
Source file: InspiratoryCap.eq
EBMcalc Version: 8.7

Equation: Insp_Cap = Insp_Reserve_Vol + Tidal_Vol
Default Result Unit: L
Allowable Result Units:

Variable: Insp_Reserve_Vol
Default Unit: L
Allowable Units: L

Variable: Tidal_Vol
Default Unit: L
Allowable Units: L

Online calculator: International Normalized Ratio of Prothrombin Time (INR)
Source file: InternatNormRatio.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes T45.514A Poisoning by anticoagulants, undetermined, initial encounter; Z79.01 Long term (current) use of anticoagulants
Associated ICD9-CM codes E934.4 Adv eff anticoagulants; V58.61 Long-term use anticoagul; 964.2 Poisoning-anticoagulants

Equation: INR = power((Patient_Protime / Control_Protime), ISI)
LOINC of Result: 34714-6 : ratio : 6301-6 : ratio
Default Result Unit: ratio
Allowable Result Units:

Variable: Patient_Protime
LOINC: 5902-2 : sec
Default Unit: sec
Allowable Units: sec

Variable: Control_Protime
LOINC: 5901-4 : sec
Default Unit: sec
Allowable Units: sec

Variable: ISI
Default Unit: #
Allowable Units: #

Online calculator: International Prostatism Symptom Score (IPSS)
Source file: IPSS.cc
EBMcalc Version: 8.7

Equation: IPSS = Q1 + Q2 + Q3 + Q4 + Q5 + Q6 + Q7
LOINC of Result: 80976-4 : score

Radio Button Variable: Q1
Discrete variable option: Not at all Variable value: 0
Discrete variable option: Less than 1 time in 5 Variable value: 1
Discrete variable option: Less than half the time Variable value: 2
Discrete variable option: About half the time Variable value: 3
Discrete variable option: More than half the time Variable value: 4
Discrete variable option: Almost always Variable value: 5

Radio Button Variable: Q2
Discrete variable option: Not at all Variable value: 0
Discrete variable option: Less than 1 time in 5 Variable value: 1
Discrete variable option: Less than half the time Variable value: 2
Discrete variable option: About half the time Variable value: 3
Discrete variable option: More than half the time Variable value: 4
Discrete variable option: Almost always Variable value: 5

Radio Button Variable: Q3
Discrete variable option: Not at all Variable value: 0
Discrete variable option: Less than 1 time in 5 Variable value: 1
Discrete variable option: Less than half the time Variable value: 2
Discrete variable option: About half the time Variable value: 3
Discrete variable option: More than half the time Variable value: 4
Discrete variable option: Almost always Variable value: 5

Radio Button Variable: Q4
Discrete variable option: Not at all Variable value: 0
Discrete variable option: Less than 1 time in 5 Variable value: 1
Discrete variable option: Less than half the time Variable value: 2
Discrete variable option: About half the time Variable value: 3
Discrete variable option: More than half the time Variable value: 4
Discrete variable option: Almost always Variable value: 5

Radio Button Variable: Q5
Discrete variable option: Not at all Variable value: 0
Discrete variable option: Less than 1 time in 5 Variable value: 1
Discrete variable option: Less than half the time Variable value: 2
Discrete variable option: About half the time Variable value: 3
Discrete variable option: More than half the time Variable value: 4
Discrete variable option: Almost always Variable value: 5

Radio Button Variable: Q6
Discrete variable option: Not at all Variable value: 0
Discrete variable option: Less than 1 time in 5 Variable value: 1
Discrete variable option: Less than half the time Variable value: 2
Discrete variable option: About half the time Variable value: 3
Discrete variable option: More than half the time Variable value: 4
Discrete variable option: Almost always Variable value: 5

Radio Button Variable: Q7
Discrete variable option: None Variable value: 0
Discrete variable option: 1 time Variable value: 1
Discrete variable option: 2 times Variable value: 2
Discrete variable option: 3 times Variable value: 3
Discrete variable option: 4 times Variable value: 4
Discrete variable option: 5 or more times Variable value: 5

Online calculator: IV Drip Maintenance Rate Calculator
Source file: IVDripRate.eq
EBMcalc Version: 8.9

Equation: Drip_Rate = Total_Fluid_Volume / Total_Admin_Time
Default Result Unit: mL/hr
Allowable Result Units:

Variable: Total_Fluid_Volume
Default Unit: mL
Allowable Units: mL

Variable: Total_Admin_Time
Default Unit: hr
Allowable Units: hr

Online calculator: Kappa Measurement of Inter-observer Agreement MultiCalc
Source file: Kappa_MC.eq
EBMcalc Version: 8.7

Equation: g1 = a + b

Equation: g2 = c + d

Equation: f1 = a + c

Equation: f2 = b + d

Equation: N = f1 + f2

Equation: P_Observed = (a + d) / N

Equation: P_Expected_Cohen = ((f1 * g1) + (f2 * g2)) / power(N, 2)

Equation: P_Expected_Scott = ( power((f1 + g1), 2) + power((f2 + g2), 2) ) / ( 4 * power(N, 2) )

Equation: Kappa_Cohen = ( P_Observed - P_Expected_Cohen ) / ( 1 - P_Expected_Cohen )

Equation: Kappa_Scott = ( P_Observed - P_Expected_Scott ) / ( 1 - P_Expected_Scott )

Equation: Kappa_Bennett = 2 * P_Observed - 1

Equation: Bias_Index = (b - c) / N

Equation: Prevalence_Index = (a - d) / N

Equation: Phi_Coefficient = ((a * d) - (b * c)) / sqr( f1 * f2 * g1 * g2 )

Two by Two Table:
Top Across: Observer 1, Yes, No
Left Side Down: Observer 2, Yes, No
Top Row Variables: a, b
Bottom Row Variables: c, d

Online calculator: Kappa Measurement of Inter-observer Agreement: Bennett's Kappa
Source file: Kappa_Bennett.eq
EBMcalc Version: 8.7

Equation: g1 = a + b

Equation: g2 = c + d

Equation: f1 = a + c

Equation: f2 = b + d

Equation: N = f1 + f2

Equation: P_Observed = (a + d) / N

Equation: P_Expected = 0.5

Equation: Kappa = ( P_Observed - P_Expected ) / ( 1 - P_Expected )

Two by Two Table:
Top Across: Observer 1, Yes, No
Left Side Down: Observer 2, Yes, No
Top Row Variables: a, b
Bottom Row Variables: c, d

Online calculator: Kappa Measurement of Inter-observer Agreement: Cohen's Kappa
Source file: Kappa_Cohen.eq
EBMcalc Version: 8.7

Equation: g1 = a + b
Default Result Unit: #
Allowable Result Units:

Equation: g2 = c + d
Default Result Unit: #
Allowable Result Units:

Equation: f1 = a + c
Default Result Unit: #
Allowable Result Units:

Equation: f2 = b + d
Default Result Unit: #
Allowable Result Units:

Equation: N = f1 + f2
Default Result Unit: #
Allowable Result Units:

Equation: P_Observed = (a + d) / N

Equation: P_Expected = ((f1 * g1) + (f2 * g2)) / power(N, 2)

Equation: Kappa = ( P_Observed - P_Expected ) / ( 1 - P_Expected )

Two by Two Table:
Top Across: Observer 1, Yes, No
Left Side Down: Observer 2, Yes, No
Top Row Variables: a, b
Bottom Row Variables: c, d

Online calculator: Kappa Measurement of Inter-observer Agreement: Scott's Kappa
Source file: Kappa_Scott.eq
EBMcalc Version: 8.7

Equation: g1 = a + b

Equation: g2 = c + d

Equation: f1 = a + c

Equation: f2 = b + d

Equation: N = f1 + f2

Equation: P_Observed = (a + d) / N

Equation: P_Expected = ( power((f1 + g1), 2) + power((f2 + g2), 2) ) / ( 4 * power(N, 2) )

Equation: Kappa = ( P_Observed - P_Expected ) / ( 1 - P_Expected )

Two by Two Table:
Top Across: Observer 1, Yes, No
Left Side Down: Observer 2, Yes, No
Top Row Variables: a, b
Bottom Row Variables: c, d

Online calculator: Kidney Failure Risk Equation (KFRE) (4-variable)
Source file: KidneyFailureRisk4.cc
EBMcalc Version: 22.1
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis; Y84.8 Other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Terms = (-0.2201 * (Age / 10 - 7.036)) + (0.2467 * (Sex - 0.5642)) - (0.5567 * (eGFR / 5 - 7.222)) + (0.4510 * (ln(Urine_Albumin_To_Creatinine_Ratio) - 5.137))
Default Result Unit: logit
Allowable Result Units:

Equation: Two_Year_Risk = 100 * (1 - power(0.975, eTo(Terms)))
Default Result Unit: %
Allowable Result Units:

Equation: Five_Year_Risk = 100 * (1 - power(0.9240, eTo(Terms)))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 1

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Maximum value: 90 yr

Variable: eGFR
LOINC: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Unit: mL/min/1.73 m^2
Allowable Units: mL/min/1.73 m^2
Minimum value: 10 mL/min/1.73 m^2
Maximum value: 60 mL/min/1.73 m^2

Variable: Urine_Albumin_To_Creatinine_Ratio
LOINC: 14959-1 : mg/g : 13705-9 : mg/g : 14585-4 : mmol/mol
Default Unit: mg/g
Allowable Units: mg/g
Minimum value: 10 mg/g
Maximum value: 3000 mg/g

Online calculator: Kidney Failure Risk Equation (KFRE) (8-variable)
Source file: KidneyFailureRisk.cc
EBMcalc Version: 15.1
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis; Y84.8 Other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Terms = (-0.1992 * (Age / 10 - 7.036)) + (0.1602 * (Sex - 0.5642)) - (0.4919 * (eGFR / 5 - 7.222)) + (0.3364 * ( ln(Urine_Albumin_To_Creatinine_Ratio) - 5.137)) - (0.3441 * (Albumin - 3.997)) + (0.2604 * (Phosphate - 3.916)) - (0.07354 * (Bicarbonate - 25.57)) - (0.2228 * (Calcium - 9.355))
Default Result Unit: logit
Allowable Result Units:

Equation: Two_Year_Risk = 100 * (1 - power(0.978, eTo(Terms)))
Default Result Unit: %
Allowable Result Units:

Equation: Five_Year_Risk = 100 * (1 - power(0.9301, eTo(Terms)))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 1

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Maximum value: 90 yr

Variable: eGFR
LOINC: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Unit: mL/min/1.73 m^2
Allowable Units: mL/min/1.73 m^2
Minimum value: 10 mL/min/1.73 m^2
Maximum value: 60 mL/min/1.73 m^2

Variable: Urine_Albumin_To_Creatinine_Ratio
LOINC: 14959-1 : mg/g : 13705-9 : mg/g : 14585-4 : mmol/mol
Default Unit: mg/g
Allowable Units: mg/g
Minimum value: 10 mg/g
Maximum value: 3000 mg/g

Variable: Calcium
LOINC: 17861-6 : mg/dL : 38250-7 : mg/dL : 2000-8 : mmol/L
Default Unit: mg/dL_Ca
Allowable Units: mg/dL_Ca
Minimum value: 7.5 mg/dL_Ca
Maximum value: 10.5 mg/dL_Ca

Variable: Phosphate
LOINC: 2777-1 : mg/dL : 2777-1 : mg/dL
Default Unit: mg/dL_PO4
Allowable Units: mg/dL_PO4
Minimum value: 3 mg/dL_PO4
Maximum value: 6.5 mg/dL_PO4

Variable: Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb
Minimum value: 1 g/dL_Alb
Maximum value: 4 g/dL_Alb

Variable: Bicarbonate
LOINC: 2028-9 : mmol/L : 1959-6 : mEq/L : 1960-4 : mEq/L : 14627-4 : mEq/L : 1961-2 : mEq/L : 22735-5 : mEq/L : 1963-8 : mEq/L
Default Unit: mmol/L_HCO3
Allowable Units: mmol/L_HCO3
Minimum value: 15 mmol/L_HCO3
Maximum value: 28 mmol/L_HCO3

Online calculator: Kt/V Dialysis Dose Barth Formula
Source file: Kt_V_Barth.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z49.31 Encounter for adequacy testing for hemodialysis
Associated ICD9-CM codes V56.8 Dialysis encounter, nec; V56.31 Hemodialysis testing; V56.32 Peritoneal dialysis test; V56.0 Renal dialysis encounter; V45.1 Renal dialysis status; E879.9 Abn react-renal dialysis

Equation: Kt/V_Barth = 3.1 * ((BUN_Pre - BUN_Post) / BUN_Pre) - 0.66

Variable: BUN_Pre
LOINC: 11065-0 : mg/dL
Default Unit: mg%
Allowable Units: mg%

Variable: BUN_Post
LOINC: 11064-3 : mg/dL
Default Unit: mg%
Allowable Units: mg%

Online calculator: Kt/V Dialysis Dose Basile Formula
Source file: Kt_V_Basile.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z49.31 Encounter for adequacy testing for hemodialysis
Associated ICD9-CM codes V56.8 Dialysis encounter, nec; V56.31 Hemodialysis testing; V56.32 Peritoneal dialysis test; V56.0 Renal dialysis encounter; V45.1 Renal dialysis status; E879.9 Abn react-renal dialysis

Equation: Kt/V_Basile = 2.3 * ((BUN_Pre - BUN_Post) / BUN_Pre) - 0.284

Variable: BUN_Pre
LOINC: 11065-0 : mg/dL
Default Unit: mg%
Allowable Units: mg%

Variable: BUN_Post
LOINC: 11064-3 : mg/dL
Default Unit: mg%
Allowable Units: mg%

Online calculator: Kt/V Dialysis Dose Daugirdas Formula
Source file: Kt_V_Daugirdas.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z49.31 Encounter for adequacy testing for hemodialysis
Associated ICD9-CM codes V56.8 Dialysis encounter, nec; V56.31 Hemodialysis testing; V56.32 Peritoneal dialysis test; V56.0 Renal dialysis encounter; V45.1 Renal dialysis status; E879.9 Abn react-renal dialysis

Equation: Kt/V_Daugirdas = -ln((BUN_Post / BUN_Pre) - (0.008 * Hours)) + ((4 - (3.5 * BUN_Post / BUN_Pre)) * UF_Vol / Weight_Post)

Variable: BUN_Pre
LOINC: 11065-0 : mg/dL
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN
Maximum value: 300 mg/dL_BUN

Variable: BUN_Post
LOINC: 11064-3 : mg/dL
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN
Maximum value: 300 mg/dL_BUN

Variable: Hours
Default Unit: hr
Allowable Units: hr

Variable: UF_Vol
Default Unit: L
Allowable Units: L

Variable: Weight_Post
Default Unit: kg
Allowable Units: kg

Online calculator: Kt/V Dialysis Dose Formulae MultiCalc
Source file: Kt_V_Formulae_Multi.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z49.31 Encounter for adequacy testing for hemodialysis
Associated ICD9-CM codes V56.8 Dialysis encounter, nec; V56.31 Hemodialysis testing; V56.32 Peritoneal dialysis test; V56.0 Renal dialysis encounter; V45.1 Renal dialysis status; E879.9 Abn react-renal dialysis

Equation: Kt/V_Daugirdas = -ln((BUN_Post / BUN_Pre) - (0.008 * Hours)) + ((4 - (3.5 * BUN_Post / BUN_Pre)) * UF_Vol / Weight_Post)

Equation: Kt/V_Lowrie = ln( BUN_Pre / BUN_Post)

Equation: Kt/V_Keshaviah = 1.162 * ln( BUN_Pre / BUN_Post)

Equation: Kt/V_Barth = 3.1 * ((BUN_Pre - BUN_Post) / BUN_Pre) - 0.66

Equation: Kt/V_Basile = 2.3 * ((BUN_Pre - BUN_Post) / BUN_Pre) - 0.284

Equation: Kt/V_Jindal = 4 * ((BUN_Pre - BUN_Post) / BUN_Pre) - 1.2

Equation: Kt/V_Kerr = 4.2 * ((BUN_Pre - BUN_Post) / BUN_Pre) - 1.48

Variable: BUN_Pre
LOINC: 11065-0 : mg/dL
Default Unit: mg%
Allowable Units: mg%

Variable: BUN_Post
LOINC: 11064-3 : mg/dL
Default Unit: mg%
Allowable Units: mg%

Variable: Hours
Default Unit: hr
Allowable Units: hr

Variable: UF_Vol
Default Unit: L
Allowable Units: L

Variable: Weight_Post
Default Unit: kg
Allowable Units: kg

Online calculator: Kt/V Dialysis Dose Jindal Formula
Source file: Kt_V_Jindal.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z49.31 Encounter for adequacy testing for hemodialysis
Associated ICD9-CM codes V56.8 Dialysis encounter, nec; V56.31 Hemodialysis testing; V56.32 Peritoneal dialysis test; V56.0 Renal dialysis encounter; V45.1 Renal dialysis status; E879.9 Abn react-renal dialysis

Equation: Kt/V_Jindal = 4 * ((BUN_Pre - BUN_Post) / BUN_Pre) - 1.2

Variable: BUN_Pre
LOINC: 11065-0 : mg/dL
Default Unit: mg%
Allowable Units: mg%

Variable: BUN_Post
LOINC: 11064-3 : mg/dL
Default Unit: mg%
Allowable Units: mg%

Online calculator: Kt/V Dialysis Dose Kerr Formula
Source file: Kt_V_Kerr.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z49.31 Encounter for adequacy testing for hemodialysis
Associated ICD9-CM codes V56.8 Dialysis encounter, nec; V56.31 Hemodialysis testing; V56.32 Peritoneal dialysis test; V56.0 Renal dialysis encounter; V45.1 Renal dialysis status; E879.9 Abn react-renal dialysis

Equation: Kt/V_Kerr = 4.2 * ((BUN_Pre - BUN_Post) / BUN_Pre) - 1.48

Variable: BUN_Pre
LOINC: 11065-0 : mg/dL
Default Unit: mg%
Allowable Units: mg%

Variable: BUN_Post
LOINC: 11064-3 : mg/dL
Default Unit: mg%
Allowable Units: mg%

Online calculator: Kt/V Dialysis Dose Keshaviah Formula
Source file: Kt_V_Keshaviah.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z49.31 Encounter for adequacy testing for hemodialysis
Associated ICD9-CM codes V56.8 Dialysis encounter, nec; V56.31 Hemodialysis testing; V56.32 Peritoneal dialysis test; V56.0 Renal dialysis encounter; V45.1 Renal dialysis status; E879.9 Abn react-renal dialysis

Equation: Kt/V_Keshaviah = 1.162 * ln( BUN_Pre / BUN_Post)

Variable: BUN_Pre
LOINC: 11065-0 : mg/dL
Default Unit: mg%
Allowable Units: mg%

Variable: BUN_Post
LOINC: 11064-3 : mg/dL
Default Unit: mg%
Allowable Units: mg%

Online calculator: Kt/V Dialysis Dose Lowrie Formula
Source file: Kt_V_Lowrie.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z49.31 Encounter for adequacy testing for hemodialysis
Associated ICD9-CM codes V56.8 Dialysis encounter, nec; V56.31 Hemodialysis testing; V56.32 Peritoneal dialysis test; V56.0 Renal dialysis encounter; V45.1 Renal dialysis status; E879.9 Abn react-renal dialysis

Equation: Kt/V_Lowrie = ln( BUN_Pre / BUN_Post)

Variable: BUN_Pre
LOINC: 11065-0 : mg/dL
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN
Maximum value: 300 mg/dL_BUN

Variable: BUN_Post
LOINC: 11064-3 : mg/dL
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN
Maximum value: 300 mg/dL_BUN

Online calculator: Lean Body Weight (Female)
Source file: LeanBodyWgtF.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes R63.6 Underweight; R63.5 Abnormal weight gain; R63.4 Abnormal weight loss; Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories
Associated ICD9-CM codes 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity; 783.21 Abnormal loss of weight; 783.1 Abnormal weight gain; 783.22 Underweight

Equation: LBW = (0.65 * Height) - 50.74
Default Result Unit: kg
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Online calculator: Lean Body Weight (Male)
Source file: LeanBodyWgtM.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes R63.6 Underweight; R63.5 Abnormal weight gain; R63.4 Abnormal weight loss; Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories
Associated ICD9-CM codes 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity; 783.21 Abnormal loss of weight; 783.1 Abnormal weight gain; 783.22 Underweight

Equation: LBW = (0.73 * Height) - 59.42
Default Result Unit: kg
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Online calculator: Lean Body Weight Based on Creatinine Production
Source file: LeanBodyWgtCreat.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes R63.6 Underweight; R63.5 Abnormal weight gain; R63.4 Abnormal weight loss; Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories
Associated ICD9-CM codes 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity; 783.21 Abnormal loss of weight; 783.1 Abnormal weight gain; 783.22 Underweight

Equation: LBW = (0.029 * Creat_Production) + 7.38
Default Result Unit: kg
Allowable Result Units:

Variable: Creat_Production
Default Unit: mg/day
Allowable Units: mg/day

Online calculator: Left Atrial Thrombus Resolution in Mitral Stenosis Patients on Anticoagulation (for up to 34 months)
Source file: LeftAtrialThrombusResolution.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes I51.3 Intracardiac thrombosis, not elsewhere classified; Q23.2 Congenital mitral stenosis; I34.8 Other nonrheumatic mitral valve disorders; I34.0 Nonrheumatic mitral (valve) insufficiency; I05.8 Other rheumatic mitral valve diseases; I05.2 Rheumatic mitral stenosis with insufficiency; I05.0 Rheumatic mitral stenosis
Associated ICD9-CM codes 394.0 Mitral stenosis; 394.2 Mitral stenosis w insuff; 394.9 Mitral valve dis nec/nos; 424.0 Mitral valve disorder; 746.5 Congen mitral stenosis

Equation: Resolution_Prob = 100 / (1 + eTo((1.8012 * NYHA_Class) + (0.7028 * LAT_Area) - 8.1))
Default Result Unit: %
Allowable Result Units:

Variable: NYHA_Class
LOINC: 88020-3 : score
Minimum value: 1
Maximum value: 4

Variable: LAT_Area
Default Unit: cm^2
Allowable Units: cm^2

Online calculator: Light's Criteria for Exudative Pleural Effusion
Source file: LightCriteria.cc
EBMcalc Version: 21.1

Equation: Pleural_fluid_protein_to_serum_protein_ratio = Pleural_fluid_protein / Total_serum_protein

Equation: Pleural_fluid_LDH_to_Serum_LDH_ratio = Pleural_fluid_LDH / Serum_LDH

Equation: Pleural_fluid_LDH_to_Upper_limit_of_normal_serum_LDH_ratio = Pleural_fluid_LDH / Upper_limit_of_normal_serum_LDH

Variable: Pleural_fluid_protein
Default Unit: g/dL
Allowable Units: g/dL
Maximum value: 100 g/dL

Variable: Total_serum_protein
Default Unit: g/dL
Allowable Units: g/dL
Minimum value: 0.5 g/dL
Maximum value: 50 g/dL

Variable: Pleural_fluid_LDH
Default Unit: U/L_LDH
Allowable Units: U/L_LDH
Maximum value: 10000 U/L_LDH

Variable: Serum_LDH
LOINC: 14804-9 : U/L : 14805-6 : U/L : 2537-9 : U/L
Default Unit: U/L_LDH
Allowable Units: U/L_LDH
Maximum value: 1000 U/L_LDH

Variable: Upper_limit_of_normal_serum_LDH
Default Unit: U/L_LDH
Allowable Units: U/L_LDH
Minimum value: 10 U/L_LDH
Maximum value: 350 U/L_LDH

Online calculator: Likelihood Ratio MultiCalc
Source file: Likelihood.eq
EBMcalc Version: 8.7

Equation: LR_Pos = Sensitivity / (1-Specificity)
Default Result Unit: ratio
Allowable Result Units:

Equation: LR_Neg = (1-Sensitivity) / Specificity
Default Result Unit: ratio
Allowable Result Units:

Variable: Sensitivity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Specificity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: Likelihood Ratio of Negative from Raw Data
Source file: LikelihoodRNData.eq
EBMcalc Version: 8.8

Equation: Sensitivity = True_Pos / (True_Pos + False_Neg)
Default Result Unit: fraction
Allowable Result Units:

Equation: Specificity = True_Neg / (True_Neg + False_Pos)
Default Result Unit: fraction
Allowable Result Units:

Equation: LR_Neg = (1-Sensitivity) / Specificity
Default Result Unit: ratio
Allowable Result Units:

Variable: True_Pos
Default Unit: #
Allowable Units: #

Variable: False_Pos
Default Unit: #
Allowable Units: #

Variable: True_Neg
Default Unit: #
Allowable Units: #

Variable: False_Neg
Default Unit: #
Allowable Units: #

Online calculator: Likelihood Ratio of Positive from Raw Data
Source file: LikelihoodRPData.eq
EBMcalc Version: 8.8

Equation: Sensitivity = True_Pos / (True_Pos + False_Neg)
Default Result Unit: fraction
Allowable Result Units:

Equation: Specificity = True_Neg / (True_Neg + False_Pos)
Default Result Unit: fraction
Allowable Result Units:

Equation: LR_Pos = Sensitivity / (1-Specificity)
Default Result Unit: ratio
Allowable Result Units:

Variable: True_Pos
Default Unit: #
Allowable Units: #

Variable: False_Pos
Default Unit: #
Allowable Units: #

Variable: True_Neg
Default Unit: #
Allowable Units: #

Variable: False_Neg
Default Unit: #
Allowable Units: #

Online calculator: Lipoprotein Insulin Resistance Index (LPIR Index)
Source file: LPIR.eq
EBMcalc Version: 22.1

Equation: LPIRIndex = VLDL_Size_Factor + VLDLP_Factor + LDL_Size_Factor + SLDLP_Factor + HDL_Size_Factor + LHDLP_Factor
Default Result Unit: points
Allowable Result Units:

Variable: VLDL_Size
Default Unit: nm
Allowable Units: nm

Variable: LVLDLP
Default Unit: nmol/L
Allowable Units: nmol/L

Variable: LDL_Size
Default Unit: nm
Allowable Units: nm

Variable: SLDLP
Default Unit: nmol/L
Allowable Units: nmol/L

Variable: HDL_Size
Default Unit: nm
Allowable Units: nm

Variable: LHDLP
Default Unit: mcmol/L
Allowable Units: mcmol/L

Online calculator: Lower GI Bleeding and Risk of Severe Bleeding
Source file: LowerGIBleeding.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes K57.33 Diverticulitis of large intestine without perforation or abscess with bleeding
Associated ICD9-CM codes 562.13 Dvrtcli colon w hmrhg

Equation: Bleeding_Risk_Score = Heart_Rate_Factor + Systolic_BP_Factor + Syncope + Rectal_Blood + Comorbid + Nontender + On_Aspirin
Default Result Unit: points
Allowable Result Units:

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min

Variable: Systolic_BP
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Radio Button Variable: On_Aspirin
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: Lung Age Estimation for Smoking Cessation Counseling
Source file: LungAge.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: Male_Lung_Age = (2.87 * Height) - (31.25 * FEV1) - 39.375
Default Result Unit: yr
Allowable Result Units:

Equation: Female_Lung_Age = (3.56 * Height) - (40 * FEV1) - 77.28
Default Result Unit: yr
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: in
Allowable Units: in

Variable: FEV1
LOINC: 20150-9 : L
Default Unit: L
Allowable Units: L

Online calculator: Lung Cancer One Year Risk Estimation (for smokers 50-75 years old)
Source file: LungCancerRisk.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes C34.90 Malignant neoplasm of unspecified part of unspecified bronchus or lung; C34.80 Malignant neoplasm of overlapping sites of unspecified bronchus and lung
Associated ICD9-CM codes 162.8 Mal neo bronch/lung nec; 162.9 Mal neo bronch/lung nos

Equation: CPD_Term = (0.060818386 * CPD) - ((CPD > 15) * (0.00014652216 * power((CPD - 15),3))) + ((CPD > 20) * (0.00018486938 * power((CPD - 20.185718),3))) - ((CPD > 40) * (0.000038347226 * power((CPD - 40), 3)))

Equation: Smk_Term = (0.11425297 * Smk) - ((Smk > 27) * (0.000080091477 * power((Smk - 27.6577),3))) + ((Smk > 40) * (0.00017069483 * power((Smk - 40),3))) - ((Smk > 50) * (0.000090603358 * power((Smk - 50.910335),3)))

Equation: Quit_Term = (0.085684793 * Quit) + (0.0065499693 * power(Quit,3)) - ((Quit > 0) * (0.0068305845 * power((Quit - 0.50513347),3))) + ((Quit > 12) * (0.00028061519 * power((Quit - 12.295688),3)))

Equation: Age_Term = (0.070322812 * Age) - ((Age > 53) * (0.00009382122 * power((Age - 53.459001),3))) + ((Age > 61) * (0.00018282661 * power((Age - 61.954825),3))) - ((Age > 70) * (0.000089005389 * power((Age - 70.910335),3)))

Equation: Term_Tot = CPD_Term + Smk_Term - Quit_Term + Age_Term + Asb - Sex - 9.7960571

Equation: Risk = 100 * (1 - power(0.99629, eTo(Term_Tot)))
Default Result Unit: %
Allowable Result Units:

Variable: CPD
Default Unit: #
Allowable Units: #
Default value: 20 #

Variable: Smk
Default Unit: yr
Allowable Units: yr
Default value: 1 yr

Variable: Quit
Default Unit: yr
Allowable Units: yr

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 50 yr
Maximum value: 75 yr

Radio Button Variable: Asb
Discrete variable option: No asbestos exposure Variable value: 0
Discrete variable option: Positive asbestos exposure Variable value: 0.2153936

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.05827261
Discrete variable option: Male Variable value: 0

Online calculator: Lung Cancer Risk Estimation in Current and Past Smokers (6-year)
Source file: LungCancerScreening.cc
EBMcalc Version: 13.4
Associated ICD10-CM codes C34.90 Malignant neoplasm of unspecified part of unspecified bronchus or lung; C34.80 Malignant neoplasm of overlapping sites of unspecified bronchus and lung
Associated ICD9-CM codes 162.8 Mal neo bronch/lung nec; 162.9 Mal neo bronch/lung nos

Equation: Log_odds = (0.0778868 * (Age - 62)) + Race - (0.0812744 * (Education - 4)) - (0.0274194 * (Body_Mass_Index - 27)) + COPD + HxCa + FMHCa + Smoker - (1.822606 * ((10 / Cigarettes_per_day) - 0.4021541613)) + (0.0317321 * (Years_smoking - 27)) - (0.0308572 * (Years_since_quitting_smoking - 10)) - 4.532506
Default Result Unit: logit
Allowable Result Units:

Equation: Risk = 100 * (eTo(Log_odds) / (1 + eTo(Log_odds)))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 55 yr
Maximum value: 74 yr

Radio Button Variable: Race
Discrete variable option: White Variable value: 0
Discrete variable option: Black Variable value: 0.3944778
Discrete variable option: Hispanic Variable value: -0.7434744
Discrete variable option: Asian Variable value: -0.466585
Discrete variable option: Native American/Alaskan Variable value: 0
Discrete variable option: Native Pacific islander/Hawaiian Variable value: 1.027152

Radio Button Variable: Education
Discrete variable option: Less than high school Variable value: 1
Discrete variable option: High School graduate Variable value: 2
Discrete variable option: Training after high school Variable value: 3
Discrete variable option: Some college Variable value: 4
Discrete variable option: College graduate Variable value: 5
Discrete variable option: Postgraduate training Variable value: 6

Variable: Body_Mass_Index
LOINC: 39156-5 : kg/m^2 : 59576-9 : kg/m^2 : 89270-3 : kg/m^2
Default Unit: kg/m2_BMI
Allowable Units: kg/m2_BMI

Variable: Cigarettes_per_day
Default Unit: #
Allowable Units: #
Minimum value: 1 #

Variable: Years_smoking
Default Unit: yr
Allowable Units: yr

Variable: Years_since_quitting_smoking
Default Unit: yr
Allowable Units: yr

Online calculator: Lung Volume Multicalc
Source file: LungVolumes.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: Func_Res_Cap = Exp_Reserve_Vol + Residual_Vol
Default Result Unit: L
Allowable Result Units:

Equation: Insp_Cap = Insp_Reserve_Vol + Tidal_Vol
Default Result Unit: L
Allowable Result Units:

Equation: Total_Lung_Cap = Insp_Reserve_Vol + Tidal_Vol + Exp_Reserve_Vol + Residual_Vol
Default Result Unit: L
Allowable Result Units:

Equation: Vital_Cap = Insp_Reserve_Vol + Tidal_Vol + Exp_Reserve_Vol
Default Result Unit: L
Allowable Result Units:

Equation: Closing_Cap = Closing_Vol + Residual_Vol
Default Result Unit: L
Allowable Result Units:

Equation: CV_VC_Ratio = 100 * Closing_Vol / Vital_Cap
Default Result Unit: %
Allowable Result Units:

Equation: CC_TLC_Ratio = 100 * Closing_Cap / Total_Lung_Cap
Default Result Unit: %
Allowable Result Units:

Equation: RV_TLC_Ratio = 100 * Residual_Vol / Total_Lung_Cap
Default Result Unit: %
Allowable Result Units:

Variable: Exp_Reserve_Vol
Default Unit: L
Allowable Units: L

Variable: Residual_Vol
Default Unit: L
Allowable Units: L

Variable: Insp_Reserve_Vol
Default Unit: L
Allowable Units: L

Variable: Tidal_Vol
Default Unit: L
Allowable Units: L

Variable: Closing_Vol
Default Unit: L
Allowable Units: L

Online calculator: Maintenance fluid calculation for children based on daily fluid requirements
Source file: MaintenanceFluidChildren.eq
EBMcalc Version: 8.9

Equation: Daily_volume = Daily_Vol
Default Result Unit: mL
Allowable Result Units:

Equation: Fluid_infusion_rate = Daily_volume / 24
Default Result Unit: mL/hr
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 3.499 kg
Maximum value: 200 kg

Online calculator: Maintenance Fluid Calculation for Children Based on Hourly Fluid Requirements
Source file: MaintenanceFluidChildrenHourly.eq
EBMcalc Version: 8.9

Equation: Fluid_infusion_rate = Rate
Default Result Unit: mL/hr
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 3.5 kg
Maximum value: 150 kg

Online calculator: Mantle Cell Lymphoma International Prognostic Index (MIPI)
Source file: MIPI.eq
EBMcalc Version: 12.1
Associated ICD10-CM codes C83.10 Mantle cell lymphoma, unspecified site
Associated ICD9-CM codes 200.4 Mantle cell lymphoma

Equation: MIPI = (0.03535 * Age) + ECOG_Factor + (1.367 * log(LDH / ULN_LDH)) + (0.9393 * log(WBC))
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr
Maximum value: 120 yr

Radio Button Variable: ECOG_Factor
Discrete variable option: PS 0: Fully active, able to carry on all pre-disease performance without restriction Variable value: 0
Discrete variable option: PS 1: Restricted in physically strenuous activity but ambulatory and able to carry out work of a light or sedentary nature, e.g., light house work, office work Variable value: 0
Discrete variable option: PS 2: Ambulatory and capable of all selfcare but unable to carry out any work activities. Up and about more than 50% of waking hours Variable value: 0.6978
Discrete variable option: PS 3: Capable of only limited selfcare, confined to bed or chair more than 50% of waking hours Variable value: 0.6978
Discrete variable option: PS 4: Completely disabled. Cannot carry on any selfcare. Totally confined to bed or chair Variable value: 0.6978

Variable: WBC
LOINC: 6690-2 : #/microL
Default Unit: /microL
Allowable Units: /microL

Variable: LDH
LOINC: 14804-9 : U/L : 14805-6 : U/L : 2537-9 : U/L
Default Unit: U/L_LDH
Allowable Units: U/L_LDH

Variable: ULN_LDH
Default Unit: U/L_LDH
Allowable Units: U/L_LDH

Online calculator: Martin Equation for Low Density Lipoprotein (LDL-C)
Source file: MartinLDL.eq
EBMcalc Version: 23.1

Equation: Non_HDL_Cholesterol = Total_Cholesterol - HDL_Cholesterol
LOINC of Result: 43396-1 : mg/dL : 70204-3 : mmol/L
Default Result Unit: mg/dL_NonHDL
Allowable Result Units:

Equation: Novel_Factor = NF[ti][ni]

Equation: LDL_Cholesterol = Non_HDL_Cholesterol - (Triglycerides / Novel_Factor)
LOINC of Result: 13457-7 : mg/dL : 18262-6 : mg/dL : 39469-2 : mmol/L
Default Result Unit: mg/dL_LDL
Allowable Result Units:

Variable: Total_Cholesterol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol

Variable: HDL_Cholesterol
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mg/dL_HDL
Allowable Units: mg/dL_HDL

Variable: Triglycerides
LOINC: 2571-8 : mg/dL : 3043-7 : mg/dL : 14927-8 : mmol/L : 70218-3 : mmol/L
Default Unit: mg/dL_Trig
Allowable Units: mg/dL_Trig
Maximum value: 13975 mg/dL_Trig

Online calculator: Mayo Chronic Myelomonocytic Leukemia (CMML) Prognostic Model in Adults (conventional and SI units)
Source file: CMML_Prognosis.cc
EBMcalc Version: 14.4

Equation: Absolute_monocyte_count = White_blood_cell_count * Percent_monocytes / 100
Default Result Unit: cells/microL
Allowable Result Units:

Equation: Score = Math.abs(Absolute_monocyte_count > 10000) + Circulating_immature_cells + Decreased_hemoglobin + Decreased_platelets
Default Result Unit: points
Allowable Result Units:

Variable: White_blood_cell_count
Default Unit: cells/microL
Allowable Units: cells/microL
Maximum value: 1000000 cells/microL

Variable: Percent_monocytes
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Radio Button Variable: Circulating_immature_cells
Discrete variable option: No Variable value: 0
Discrete variable option: Yes (defined as: myeloblasts, myelocytes, metamyelocytes, and/or promyelocytes) Variable value: 1

Radio Button Variable: Decreased_hemoglobin
Discrete variable option: No Variable value: 0
Discrete variable option: Yes (<10 g/dL [<100 g/L]) Variable value: 1

Online calculator: Mean Arterial Pressure (MAP) in Adults and Children (conventional or SI units)
Source file: MeanArterialPressure.eq
EBMcalc Version: 8.7
Associated ICD9-CM codes 401.1 Benign hypertension; 458.1 Chronic hypotension; 458.8 Hypotension nec; 458.9 Hypotension nos; 458.0 Orthostatic hypotension; 458.2 Iatrogenic hypotension

Equation: MAP = ((2 * Diastolic_BP) + Systolic_BP) / 3
LOINC of Result: 8478-0 : mmHg : 8458-2 : mmHg : 76214-6 : mmHg : 75996-9 : mmHg : 76536-2 : mmHg
Default Result Unit: mmHg
Allowable Result Units:

Variable: Systolic_BP
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Maximum value: 500 mmHg

Variable: Diastolic_BP
LOINC: 8462-4 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Maximum value: 250 mmHg

Online calculator: Mean Corpuscular Hemoglobin Concentration
Source file: MeanCorpHbConc.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes D50.9 Iron deficiency anemia, unspecified; D50.8 Other iron deficiency anemias; D53.9 Nutritional anemia, unspecified; D64.9 Anemia, unspecified; D64.89 Other specified anemias
Associated ICD9-CM codes 285.8 Anemia nec; 285.9 Anemia nos; 281.9 Deficiency anemia nos; 280.1 Iron def anemia dietary; 280.8 Iron defic anemia nec; 280.9 Iron defic anemia nos

Equation: MCHC = Hb * 100 / Hct
Default Result Unit: g/dL
Allowable Result Units:

Variable: Hb
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL

Variable: Hct
LOINC: 4544-3 : % : 20570-8 : % : 31100-1 : % : 4545-0 : %
Default Unit: %
Allowable Units: %

Online calculator: Mean Corpuscular Hemoglobin
Source file: MeanCorpHb.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes D50.9 Iron deficiency anemia, unspecified; D50.8 Other iron deficiency anemias; D53.9 Nutritional anemia, unspecified; D64.9 Anemia, unspecified; D64.89 Other specified anemias
Associated ICD9-CM codes 285.8 Anemia nec; 285.9 Anemia nos; 281.9 Deficiency anemia nos; 280.1 Iron def anemia dietary; 280.8 Iron defic anemia nec; 280.9 Iron defic anemia nos

Equation: MCH = Hb * 10 / RBC
Default Result Unit: pg
Allowable Result Units:

Variable: Hb
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL

Variable: RBC
LOINC: 789-8 : x10(6)/microL : 790-6 : 10^9/microL
Default Unit: x10(12)/L
Allowable Units: x10(12)/L

Online calculator: Mean Corpuscular Volume
Source file: MeanCorpVol.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes D50.9 Iron deficiency anemia, unspecified; D50.8 Other iron deficiency anemias; D53.9 Nutritional anemia, unspecified; D64.9 Anemia, unspecified; D64.89 Other specified anemias
Associated ICD9-CM codes 285.8 Anemia nec; 285.9 Anemia nos; 281.9 Deficiency anemia nos; 280.1 Iron def anemia dietary; 280.8 Iron defic anemia nec; 280.9 Iron defic anemia nos

Equation: MCV = Hct * 10 / RBC
LOINC of Result: 30428-7 : fL : 787-2 : fL
Default Result Unit: fL
Allowable Result Units:

Variable: Hct
LOINC: 4544-3 : % : 20570-8 : % : 31100-1 : % : 4545-0 : %
Default Unit: %
Allowable Units: %

Variable: RBC
LOINC: 789-8 : x10(6)/microL : 790-6 : 10^9/microL
Default Unit: x10(12)/L
Allowable Units: x10(12)/L

Online calculator: Mean Vascular Pressure (systemic or pulmonary)
Source file: MeanVascPres.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes I95.1 Orthostatic hypotension; I95.9 Hypotension, unspecified; I95.89 Other hypotension; I10 Essential (primary) hypertension
Associated ICD9-CM codes 401.1 Benign hypertension; 458.1 Chronic hypotension; 458.8 Hypotension nec; 458.9 Hypotension nos; 458.0 Orthostatic hypotension; 458.2 Iatrogenic hypotension

Equation: MV_BP = Diastolic_BP + ((Systolic_BP - Diastolic_BP) / 3)
Default Result Unit: mmHg
Allowable Result Units:

Variable: Systolic_BP
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Diastolic_BP
LOINC: 8462-4 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: MEDS Score: Mortality in ER Sepsis
Source file: MedsScore.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes A41.9 Sepsis, unspecified organism; A41.89 Other specified sepsis
Associated ICD9-CM codes 038.8 Septicemia nec; 038.9 Septicemia nos

Equation: MEDS_Score = Age_Factor + WBC_Bands_Factor + Platelets_Factor + Terminal + Hypoxia + Shock + Lower_Resp_Infection + Nursing_Home + Altered_Mental_Status
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: WBC_Bands
LOINC: 764-1 : % : 35332-6 : % : 26508-2 : %
Default Unit: %
Allowable Units: %

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: /microL
Allowable Units: /microL

Radio Button Variable: Altered_Mental_Status
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 2

Online calculator: MELD 3.0 Score EXCLUDING Serum Albumin
Source file: MELD3xAlb.eq
EBMcalc Version: 23.2

Equation: MELD3 = Math.round(Sex + (4.85 * ln(TBili)) + (0.88 * (137 - Na)) - (0.25 * (137 - Na) * ln(TBili)) + (9.66 * ln(INR)) + (10.47 * ln(Creat)) + 6)
Default Result Unit: points
Allowable Result Units:

Equation: S90 = 100 * power(0.946,eTo(0.17698 * MELD3 - 3.56))
Default Result Unit: %
Allowable Result Units:

Equation: S60 = 100 * power(0.963,eTo(0.17698 * MELD3 - 3.56))
Default Result Unit: %
Allowable Result Units:

Equation: S30 = 100 * power(0.981,eTo(0.17698 * MELD3 - 3.56))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1.4
Discrete variable option: Male Variable value: 0

Variable: TBili
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili

Variable: Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR

Variable: Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Online calculator: MELD 3.0 Score Including Serum Albumin
Source file: MELD3.eq
EBMcalc Version: 23.2

Equation: MELD3 = Math.round(Sex + (4.56 * ln(TBili)) + (0.82 * (137 - Na)) - (0.24 * (137 - Na) * ln(TBili)) + (9.09 * ln(INR)) + (11.14 * ln(Creat)) + (1.85 * (3.5 - Alb)) - (1.83 * (3.5 - Alb) * ln(Creat)) + 6)
Default Result Unit: points
Allowable Result Units:

Equation: S90 = 100 * power(0.946,eTo(0.17698 * MELD3 - 3.56))
Default Result Unit: %
Allowable Result Units:

Equation: S60 = 100 * power(0.963,eTo(0.17698 * MELD3 - 3.56))
Default Result Unit: %
Allowable Result Units:

Equation: S30 = 100 * power(0.981,eTo(0.17698 * MELD3 - 3.56))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1.33
Discrete variable option: Male Variable value: 0

Variable: TBili
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili

Variable: Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR

Variable: Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Variable: Alb
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb

Online calculator: MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)
Source file: MELD_SI.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z01.818 Encounter for other preprocedural examination; Z01.812 Encounter for preprocedural laboratory examination; K74.69 Other cirrhosis of liver; K74.60 Unspecified cirrhosis of liver; K74.0 Hepatic fibrosis
Associated ICD9-CM codes 571.5 Cirrhosis of liver nos; V72.84 Preop exam unspcf

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mcmol/L_Cr
Allowable Units: mcmol/L_Cr
Minimum value: 88.4 mcmol/L_Cr
Maximum value: 353.6 mcmol/L_Cr

Variable: Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mcmol/L_Bili
Allowable Units: mcmol/L_Bili
Minimum value: 17 mcmol/L_Bili

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR
Minimum value: 1 ratio_INR
Maximum value: 100 ratio_INR

Equation: MELD_Score = 10 * ((0.957 * ln(Creatinine/88.4)) + (0.378 * ln(Bilirubin/17.1)) + (1.12 * ln(INR))) + 6.43

Online calculator: MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)
Source file: MELD.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z01.818 Encounter for other preprocedural examination; Z01.812 Encounter for preprocedural laboratory examination; K74.69 Other cirrhosis of liver; K74.60 Unspecified cirrhosis of liver; K74.0 Hepatic fibrosis
Associated ICD9-CM codes 571.5 Cirrhosis of liver nos; V72.84 Preop exam unspcf

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr
Maximum value: 4 mg/dL_Cr

Variable: Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili
Maximum value: 200 mg/dL_Bili

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR
Maximum value: 100 ratio_INR

Equation: MELD_Score = 10 * ((0.957 * ln(Creatinine)) + (0.378 * ln(Bilirubin)) + (1.12 * ln(INR))) + 6.43

Online calculator: MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)
Source file: MELDNa_SI.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E87.1 Hypo-osmolality and hyponatremia; Z01.818 Encounter for other preprocedural examination; Z01.812 Encounter for preprocedural laboratory examination; K74.69 Other cirrhosis of liver; K74.60 Unspecified cirrhosis of liver; K74.0 Hepatic fibrosis
Associated ICD9-CM codes 276.1 Hyponatremia; 571.5 Cirrhosis of liver nos; V72.84 Preop exam unspcf

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mcmol/L_Cr
Allowable Units: mcmol/L_Cr
Minimum value: 88.4 mcmol/L_Cr
Maximum value: 353.6 mcmol/L_Cr

Variable: Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mcmol/L_Bili
Allowable Units: mcmol/L_Bili
Minimum value: 17 mcmol/L_Bili

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR
Minimum value: 1 ratio_INR
Maximum value: 100 ratio_INR

Variable: Serum_Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mmol/L_Na
Allowable Units: mmol/L_Na
Minimum value: 125 mmol/L_Na
Maximum value: 140 mmol/L_Na

Equation: MELD_Score = 10 * ((0.957 * ln(Creatinine/88.4)) + (0.378 * ln(Bilirubin/17.1)) + (1.12 * ln(INR))) + 6.43

Equation: MELDNa_Score = MELD_Score - Serum_Na - (0.025 * MELD_Score * (140 - Serum_Na)) + 140
LOINC of Result: 100348-2 : score

Online calculator: MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)
Source file: MELDNa.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E87.1 Hypo-osmolality and hyponatremia; Z01.818 Encounter for other preprocedural examination; Z01.812 Encounter for preprocedural laboratory examination; K74.69 Other cirrhosis of liver; K74.60 Unspecified cirrhosis of liver; K74.0 Hepatic fibrosis
Associated ICD9-CM codes 276.1 Hyponatremia; 571.5 Cirrhosis of liver nos; V72.84 Preop exam unspcf

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr
Minimum value: 1 mg/dL_Cr
Maximum value: 4 mg/dL_Cr

Variable: Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili
Minimum value: 1 mg/dL_Bili
Maximum value: 200 mg/dL_Bili

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR
Minimum value: 1 ratio_INR
Maximum value: 100 ratio_INR

Variable: Serum_Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na
Minimum value: 125 mEq/L_Na
Maximum value: 140 mEq/L_Na

Equation: MELD_Score = 10 * ((0.957 * ln(Creatinine)) + (0.378 * ln(Bilirubin)) + (1.12 * ln(INR))) + 6.43

Equation: MELDNa_Score = MELD_Score - Serum_Na - (0.025 * MELD_Score * (140 - Serum_Na)) + 140
LOINC of Result: 100348-2 : score

Online calculator: MELDNa Score (2016) (SI units)
Source file: MELDNa_SI2016.eq
EBMcalc Version: 16.4
Associated ICD10-CM codes E87.1 Hypo-osmolality and hyponatremia; Z01.818 Encounter for other preprocedural examination; Z01.812 Encounter for preprocedural laboratory examination; K74.69 Other cirrhosis of liver; K74.60 Unspecified cirrhosis of liver; K74.0 Hepatic fibrosis
Associated ICD9-CM codes 276.1 Hyponatremia; 571.5 Cirrhosis of liver nos; V72.84 Preop exam unspcf

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mcmol/L_Cr
Allowable Units: mcmol/L_Cr

Variable: Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mcmol/L_Bili
Allowable Units: mcmol/L_Bili

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR

Variable: Serum_Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mmol/L_Na
Allowable Units: mmol/L_Na

Equation: MELD_Score = Math.round((9.57 * ln(Creatinine/88.4)) + (3.78 * ln(Bilirubin/17.1)) + (11.2 * ln(INR)) + 6.43)

Equation: MELDNa_Score = MELD_Score + (Math.abs(MELD_Score > 11)) * ((1.32 * (137 - Serum_Na)) - (0.033 * MELD_Score * (137 - Serum_Na)))
LOINC of Result: 100348-2 : score

Online calculator: MELDNa Score (2016)
Source file: MELDNa2016.eq
EBMcalc Version: 16.4
Associated ICD10-CM codes E87.1 Hypo-osmolality and hyponatremia; Z01.818 Encounter for other preprocedural examination; Z01.812 Encounter for preprocedural laboratory examination; K74.69 Other cirrhosis of liver; K74.60 Unspecified cirrhosis of liver; K74.0 Hepatic fibrosis
Associated ICD9-CM codes 276.1 Hyponatremia; 571.5 Cirrhosis of liver nos; V72.84 Preop exam unspcf

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR

Variable: Serum_Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Equation: MELD_Score = Math.round((9.57 * ln(Creatinine)) + (3.78 * ln(Bilirubin)) + (11.2 * ln(INR)) + 6.43 )
Default Result Unit: points
Allowable Result Units:

Equation: MELDNa_Score = MELD_Score + (Math.abs(MELD_Score > 11)) * ((1.32 * (137 - Serum_Na)) - (0.033 * MELD_Score * (137 - Serum_Na)))
LOINC of Result: 100348-2 : score
Default Result Unit: points
Allowable Result Units:

Online calculator: Mifflin-St. Jeor Resting Energy Expenditure (REE)
Source file: MifflinStJeor.eq
EBMcalc Version: 22.1

Equation: REE = (10 * Weight) + (6.25 * Height) - (5 * Age) + Sex
Default Result Unit: kcal/day
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: -161
Discrete variable option: Male Variable value: 5

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr
Maximum value: 120 yr

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Online calculator: MMRC: Modified Medical Research Council Scale for Dyspnea
Source file: MMRC.cc
EBMcalc Version: 8.7

Equation: MMRC = Dyspnea_Scale
Default Result Unit: points
Allowable Result Units:

Radio Button Variable: Dyspnea_Scale
Discrete variable option: MMRC 0: Dyspneic on strenuous exercise Variable value: 0
Discrete variable option: MMRC 1: Dyspneic on walking a slight hill Variable value: 1
Discrete variable option: MMRC 2: Dyspneic on walking level ground; must stop occasionally due to breathlessness Variable value: 2
Discrete variable option: MMRC 3: Must stop for breathlessness after walking 100 yards [91 meters] or after a few minutes Variable value: 3
Discrete variable option: MMRC 4: Cannot leave house; breathless on dressing/undressing Variable value: 4

Online calculator: Mortality Probability Admission Model (MPM0-III) for critical illness in adults
Source file: MPMO.cc
EBMcalc Version: 16.1

Equation: Terms1 = Coma + HR + SBP + CRI + Cirr + Mets + ARF + Arr + CVA + GIB + IME + CPR + Vent + Med

Equation: Terms2 = Terms1 + (Age * 0.0385582) + Full - ((Coma > 0) * Age * 0.0075284) - ((SBP > 0) * Age * 0.0085197) - ((Cirr > 0) * Age * 0.022433) - ((Mets > 0) * Age * 0.0330237) - ((Arr > 0) * Age * 0.0101286) - ((IME > 0) * Age * 0.0169215) - ((CPR > 0) * Age * 0.011214) - 5.36283

Equation: Mortality_probability = 100 * eTo(Terms2) / (1 + eTo(Terms2))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr
Maximum value: 120 yr

Online calculator: Mortality risk in postoperative adult patients with cirrhosis
Source file: MELD9.cc
EBMcalc Version: 11.2

Equation: MELD_score = Math.round(10 * ((1.12 * ln(INR)) + (0.378 * ln(Bilirubin)) + (0.957 * ln(Creatinine)) + (0.643 * Cirrhosis_etiology)))

Equation: ExpDays = eTo((0.02382 * (Age - 60)) + (0.88884 * ASA_Factor) + (0.11798 * (MELD_score - 8)))

Equation: Mortality_7_days = 100 * (1 - power(0.98370, ExpDays))
Default Result Unit: %
Allowable Result Units:

Equation: Mortality_30_days = 100 * (1 - power(0.93479, ExpDays))
Default Result Unit: %
Allowable Result Units:

Equation: Mortality_90_days = 100 * (1 - power(0.89681, ExpDays))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 12 yr
Maximum value: 120 yr

Radio Button Variable: ASA_Factor
Discrete variable option: Class 3: Systemic disease with significant functional limitation Variable value: 0
Discrete variable option: Class 4: Systemic disease that is a constant threat to life Variable value: 1

Variable: Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili
Minimum value: 0.1 mg/dL_Bili
Maximum value: 35 mg/dL_Bili

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr
Minimum value: 0.1 mg/dL_Cr
Maximum value: 4 mg/dL_Cr

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Minimum value: 0.5
Maximum value: 10

Radio Button Variable: Cirrhosis_etiology
Discrete variable option: Alcoholic or cholestatic Variable value: 0
Discrete variable option: Viral or other Variable value: 1

Online calculator: MuLBSTA Score to Predict Mortality in Viral Pneumonia
Source file: MuLBSTA_Score.cc
EBMcalc Version: 20.1

Equation: MuLBSTA_Score = Age_Factor + Lymphocyte_Factor + Smoker + HTN + Multilobar_Infiltrates + Bacterial_Infection
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Lymphocyte_Count
LOINC: 731-0 : x10^3/microL : 26474-7 : x10^3/microL : 732-8 : x10^3/microL
Default Unit: x10(9)/L
Allowable Units: x10(9)/L

Radio Button Variable: Smoker
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 3
Discrete variable option: Former Variable value: 2

Radio Button Variable: HTN
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 2

Radio Button Variable: Multilobar_Infiltrates
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 5

Radio Button Variable: Bacterial_Infection
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 4

Online calculator: Multiple Organ Dysfunction Score (MODS)
Source file: MODS.fhir
EBMcalc Version: 8.9
Associated ICD10-CM codes J96.90 Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia; J96.00 Acute respiratory failure, unspecified whether with hypoxia or hypercapnia; A41.9 Sepsis, unspecified organism; I50.9 Heart failure, unspecified; N19 Unspecified kidney failure; N17.9 Acute kidney failure, unspecified
Associated ICD9-CM codes 584.9 Acute renal failure nos; 586 Renal failure nos; 428.9 Heart failure nos; 038.9 Septicemia nos; 518.81 Acute respiratry failure

Equation: pafi = 100 * PaO2 / FIO2
Default Result Unit: ratio
Allowable Result Units:

Equation: pahr = Heart_Rate * Central_Venous_Pressure / Mean_Arterial_Pressure
Default Result Unit: beats/min
Allowable Result Units:

Equation: MODS_Score = pafi_Factor + platelets_Factor + bili_Factor + pahr_Factor + renal_Factor + gcs_Factor
Default Result Unit: points
Allowable Result Units:

Variable: PaO2
LOINC: 11556-8 : mmHg : 2703-7 : mmHg : 19254-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: FIO2
LOINC: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %
Default Unit: %O2_InspO2
Allowable Units: %O2_InspO2
Maximum value: 100 %O2_InspO2

Variable: Central_Venous_Pressure
LOINC: 60985-9 : mmHg : 8591-0 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Mean_Arterial_Pressure
LOINC: 8478-0 : mmHg : 8458-2 : mmHg : 76214-6 : mmHg : 75996-9 : mmHg : 76536-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10(3)/mcL
Allowable Units: x10(3)/mcL

Variable: Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mcmol/L_Bili
Allowable Units: mcmol/L_Bili

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mcmol/L_Cr
Allowable Units: mcmol/L_Cr

Variable: Glasgow_Coma_Score
LOINC: 9269-2 : score : 35088-4 : score
Default Unit: points
Allowable Units: points
Minimum value: 1 points
Maximum value: 15 points

Online calculator: Mycoplasma Pneumoniae Prediction in Children with Pneumonia
Source file: MycoplasmaPneumoniaPrediction.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes J18.9 Pneumonia, unspecified organism; B96.0 Mycoplasma pneumoniae [M. pneumoniae] as the cause of diseases classified elsewhere; A49.3 Mycoplasma infection, unspecified site
Associated ICD9-CM codes 041.81 Mycoplasma; 486 Pneumonia, organism nos

Equation: Mycoplasma_Pneumoniae_Risk_Score = Age_Factor + Fever_Factor
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Days_of_Fever
Default Unit: days
Allowable Units: days

Online calculator: NAFLD Fibrosis Score
Source file: NAFLD.cc
EBMcalc Version: 18.3

Equation: BMI = Weight / power((Height / 100), 2)
LOINC of Result: 39156-5 : kg/m^2 : 59576-9 : kg/m^2 : 89270-3 : kg/m^2
Default Result Unit: kg/m²
Allowable Result Units:

Equation: NAFLD_Score = (0.037 * Age) + (0.094 * BMI) + (1.13 * DM_or_IFG) + (0.99 * AST / ALT) - (0.013 * Platelets) - (0.66 * Albumin) - 1.675
Default Result Unit: score
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Radio Button Variable: DM_or_IFG
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: AST
LOINC: 1920-8 : U/L : 27344-1 : U/L : 1919-0 : U/L : 30239-8 : U/L
Default Unit: U/L_AST
Allowable Units: U/L_AST

Variable: ALT
LOINC: 1742-6 : U/L : 25302-1 : U/L : 76625-3 : U/L
Default Unit: U/L_ALT
Allowable Units: U/L_ALT

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10^9/L
Allowable Units: x10^9/L

Variable: Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL
Allowable Units: g/dL

Online calculator: Nasal Cannula Oxygen Fractional Inspired O₂ (FiO₂) Estimate
Source file: NasalO2FIO2.eq
EBMcalc Version: 8.7

Equation: FiO2 = 21 + (Nasal_O2 * 3)
LOINC of Result: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %
Default Result Unit: %
Allowable Result Units:

Variable: Nasal_O2
Default Unit: L/min
Allowable Units: L/min
Maximum value: 26 L/min

Online calculator: National Early Warning Score 2 (NEWS2)
Source file: NEWS.fhir
EBMcalc Version: 18.1

Equation: Respiratory_Rate_Points = rr_p
Default Result Unit: points
Allowable Result Units:

Equation: Oxygen_Saturation_Points = o2_p
Default Result Unit: points
Allowable Result Units:

Equation: Oxygen_Use_Points = OnO2
Default Result Unit: points
Allowable Result Units:

Equation: Systolic_BP_Points = sbp_p
Default Result Unit: points
Allowable Result Units:

Equation: Pulse_Points = hr_p
Default Result Unit: points
Allowable Result Units:

Equation: Consciousness_Points = Consciousness
Default Result Unit: points
Allowable Result Units:

Equation: Temperature_Points = temp_p
Default Result Unit: points
Allowable Result Units:

Equation: NEWS = Respiratory_Rate_Points + Oxygen_Saturation_Points + Oxygen_Use_Points + Systolic_BP_Points + Pulse_Points + Consciousness_Points + Temperature_Points
Default Result Unit: points
Allowable Result Units:

Variable: RR
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min
Maximum value: 200 breaths/min

Radio Button Variable: RespFailure
Discrete variable option: No (Scale 1) Variable value: 1
Discrete variable option: Yes (Scale 2) Variable value: 2

Radio Button Variable: OnO2
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 2

Variable: O2Sat
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Variable: SBP
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Maximum value: 400 mmHg

Variable: HR
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min
Maximum value: 400 beats/min

Radio Button Variable: Consciousness
Discrete variable option: Alert Variable value: 0
Discrete variable option: CVPU Variable value: 3

Variable: Temp
LOINC: 8329-5 : degC : 8310-5 : degC : 8331-1 : degC : 8332-9 : degC : 8333-7 : degC : 8328-7 : degC : 75539-7 : degC
Default Unit: degC
Allowable Units: degC
Maximum value: 50 degC

Online calculator: Negative Predictive Value from Raw Data
Source file: NegPredValueData.eq
EBMcalc Version: 8.8

Equation: Neg_Pred_Value = 100 * True_Neg / (True_Neg + False_Neg)
Default Result Unit: %
Allowable Result Units:

Variable: True_Neg
Default Unit: #
Allowable Units: #

Variable: False_Neg
Default Unit: #
Allowable Units: #

Online calculator: Negative Predictive Value of a Test
Source file: NegPredVal.eq
EBMcalc Version: 8.7

Equation: NPV = 100 * ((1 - Prevalence) * Specificity) / ((1-Prevalence) * Specificity + (Prevalence * (1 - Sensitivity)))
Default Result Unit: %
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction

Variable: Sensitivity
Default Unit: fraction
Allowable Units: fraction

Variable: Specificity
Default Unit: fraction
Allowable Units: fraction

Online calculator: Neuropathic Pain Scale (NPS)
Source file: NPS.cc
EBMcalc Version: 22.3

Equation: Score = Intensity + Sharp + Hot + Dull + Cold + Sensitive + Itch + Unpleasant + Deep + Surface
Default Result Unit: points
Allowable Result Units:

Online calculator: Newborn Hyperbilirubinemia Assessment (original, 2004)
Source file: NewbornHyperbili.cc
EBMcalc Version: 8.9
Associated ICD10-CM codes P59.8 Neonatal jaundice from other specified causes; R17 Unspecified jaundice
Associated ICD9-CM codes 782.4 Jaundice nos; 774.5 Perinatal jaundice nec; 774 Other perinatal jaundice

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: hr
Allowable Units: hr
Minimum value: 12 hr
Maximum value: 147.99 hr

Variable: Total_Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili

Radio Button Variable: Clinical_Risk_Group
Discrete variable option: Group 1: Gestation >=38 weeks and medically well Variable value: 1
Discrete variable option: Group 2: Gestation >=38 weeks and clinical risk factors Variable value: 2
Discrete variable option: Group 2: Gestation 35 to 37.9 weeks and medically well Variable value: 2
Discrete variable option: Group 3: Gestation 35 to 37.9 weeks and clinical risk factors Variable value: 3

Online calculator: Newborn hyperbilirubinemia assessment for infants born at 35 weeks or more gestation (2022 update)
Source file: NewbornHyperbili2022.cc
EBMcalc Version: 22.4
Associated ICD10-CM codes P59.8 Neonatal jaundice from other specified causes; R17 Unspecified jaundice
Associated ICD9-CM codes 782.4 Jaundice nos; 774.5 Perinatal jaundice nec; 774 Other perinatal jaundice

Variable: Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili
Maximum value: 40 mg/dL_Bili

Variable: Postnatal_Age
Default Unit: hr
Allowable Units: hr
Minimum value: 12 hr
Maximum value: 336 hr

Variable: Weeks_Gestation
Default Unit: wks
Allowable Units: wks
Minimum value: 35 wks
Maximum value: 45 wks

Online calculator: NIH Chronic Prostatitis Symptom Index
Source file: NIHProstatitis.eq
EBMcalc Version: 11.2
Associated ICD10-CM codes N41.9 Inflammatory disease of prostate, unspecified; N41.3 Prostatocystitis; N41.8 Other inflammatory diseases of prostate; N42.89 Other specified disorders of prostate; N42.9 Disorder of prostate, unspecified; N41.1 Chronic prostatitis; N41.0 Acute prostatitis
Associated ICD9-CM codes 601.0 Acute prostatitis; 601.1 Chronic prostatitis; 602.9 Prostatic disorder nos; 602.8 Prostatic disorders nec; 601.8 Prostatic inflam dis nec; 601.4 Prostatitis in oth dis; 601.9 Prostatitis nos; 601.3 Prostatocystitis

Equation: Pain_Index = q1a + q1b + q1c + q1d + q2a + q2b + q3 + q4

Equation: Urinary_Symptom_Index = q5 + q6

Equation: Quality_Of_Life_Impact = q7 + q8 + q9

Equation: Symptom_Scale_Score = Pain_Index + Urinary_Symptom_Index

Equation: Total_Score = Pain_Index + Urinary_Symptom_Index + Quality_Of_Life_Impact

Online calculator: Nonbiliary Cirrhosis Prognostic Criteria for One Year Survival
Source file: NonBiliaryLiverDx.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes K70.30 Alcoholic cirrhosis of liver without ascites; K74.69 Other cirrhosis of liver; K74.60 Unspecified cirrhosis of liver; K74.0 Hepatic fibrosis
Associated ICD9-CM codes 571.5 Cirrhosis of liver nos; 571.2 Alcohol cirrhosis liver

Equation: LR_Score = (1.64 * Aminopyrene_BT) - (1.95 * Ascites) - .393
Default Result Unit: score
Allowable Result Units:

Equation: Survival = 100 * eTo(LR_Score) / (1 + eTo(LR_Score))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Ascites
Discrete variable option: Absent Variable value: 0
Discrete variable option: Moderate Variable value: 1
Discrete variable option: Severe Variable value: 2

Variable: Aminopyrene_BT
Default Unit: ratio
Allowable Units: ratio
Maximum value: 1 ratio

Online calculator: Normal Range for Body Weight
Source file: NormalBodyWgt.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes R63.6 Underweight; R63.5 Abnormal weight gain; R63.4 Abnormal weight loss; Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories
Associated ICD9-CM codes 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity; 783.21 Abnormal loss of weight; 783.1 Abnormal weight gain; 783.22 Underweight

Equation: Low_Normal = 20 * power(Height, 2)
Default Result Unit: kg
Allowable Result Units:

Equation: High_Normal = 25 * power(Height, 2)
Default Result Unit: kg
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: m
Allowable Units: m

Online calculator: Number Needed to Harm (NNH) from Odds Ratio (OR) and Patient Expected Event Rate (PEER)
Source file: NumberNeededToHarm.eq
EBMcalc Version: 8.7

Equation: NNH = ((PEER * (OR-1)) + 1) / (PEER * (OR - 1) * (1 - PEER))

Variable: PEER
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: OR
Default Unit: ratio
Allowable Units: ratio

Online calculator: Number Needed to Treat (NNT) from Odds Ratio (OR) and Patient Expected Event Rate (PEER)
Source file: NumberNeededToTreat.eq
EBMcalc Version: 8.7

Equation: NNT = (1 - (PEER * (1 - OR))) / (PEER * (1 - PEER) * (1 - OR))
Default Result Unit: #
Allowable Result Units:

Variable: PEER
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: OR
Default Unit: ratio
Allowable Units: ratio

Online calculator: Odds from Probability
Source file: OddsProb.eq
EBMcalc Version: 8.7

Equation: Odds = Probability / (1 - Probability)
Default Result Unit: ratio
Allowable Result Units:

Variable: Probability
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: Odds Ratio and Relative Risk
Source file: OddsRatio.eq
EBMcalc Version: 8.7

Equation: Odds_Ratio = (Exp_Group_Positive / (Exp_Group_Total - Exp_Group_Positive)) / (Control_Group_Positive / (Control_Group_Total - Control_Group_Positive))
Default Result Unit: ratio
Allowable Result Units:

Equation: Relative_Risk = (Exp_Group_Positive / Exp_Group_Total) / (Control_Group_Positive / Control_Group_Total)
Default Result Unit: ratio
Allowable Result Units:

Variable: Exp_Group_Positive
Default Unit: number
Allowable Units: number

Variable: Exp_Group_Total
Default Unit: number
Allowable Units: number

Variable: Control_Group_Positive
Default Unit: number
Allowable Units: number

Variable: Control_Group_Total
Default Unit: number
Allowable Units: number

Online calculator: Olsen infant BMI-for-gestational-age percentiles, 24 to 41 weeks gestation
Source file: OlsenInfantBMIForGestationalAge.eq
EBMcalc Version: 23.3

Equation: Z_Score = ZS

Equation: Percentile = ZtoPercentile(Z_Score)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Gestational_Age
LOINC: 18185-9 : wk : 11884-4 : wk : 49052-4 : days : 49051-6 : wk
Default Unit: wk
Allowable Units: wk
Minimum value: 24 wk
Maximum value: 41 wk

Variable: BMI
LOINC: 39156-5 : kg/m^2 : 59576-9 : kg/m^2 : 89270-3 : kg/m^2
Default Unit: kg/m^2_BMI
Allowable Units: kg/m^2_BMI
Minimum value: 6 kg/m^2_BMI
Maximum value: 30 kg/m^2_BMI

Online calculator: Olsen infant head circumference-for-gestational-age percentiles, 23 to 41 weeks gestation
Source file: OlsenInfantHeadCircForGestationalAge.eq
EBMcalc Version: 23.3

Equation: Z_Score = ZS

Equation: Percentile = ZtoPercentile(Z_Score)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Gestational_Age
LOINC: 18185-9 : wk : 11884-4 : wk : 49052-4 : days : 49051-6 : wk
Default Unit: wk
Allowable Units: wk
Minimum value: 23 wk
Maximum value: 41 wk

Variable: Head_Circumference
LOINC: 9843-4 : cm : 8287-5 : cm : 8288-3 : cm : 8290-9 : cm : 8291-7 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 10 cm
Maximum value: 100 cm

Online calculator: Olsen infant length-for-gestational-age percentiles, 23 to 41 weeks gestation
Source file: OlsenInfantLengthForGestationalAge.eq
EBMcalc Version: 23.3

Equation: Z_Score = ZS

Equation: Percentile = ZtoPercentile(Z_Score)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Gestational_Age
LOINC: 18185-9 : wk : 11884-4 : wk : 49052-4 : days : 49051-6 : wk
Default Unit: wk
Allowable Units: wk
Minimum value: 23 wk
Maximum value: 41 wk

Variable: Length
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 10 cm
Maximum value: 100 cm

Online calculator: Olsen infant weight-for-gestational-age percentiles, 23 to 41 weeks gestation
Source file: OlsenInfantWeightForGestationalAge.eq
EBMcalc Version: 23.3

Equation: Z_Score = ZS

Equation: Percentile = ZtoPercentile(Z_Score)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Gestational_Age
LOINC: 18185-9 : wk : 11884-4 : wk : 49052-4 : days : 49051-6 : wk
Default Unit: wk
Allowable Units: wk
Minimum value: 23 wk
Maximum value: 41 wk

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Maximum value: 10 kg

Online calculator: Omeprazole Therapeutic Gain (over placebo) in Dyspepsia
Source file: OmeprazoleTheraputicGain.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes K27.7 Chronic peptic ulcer, site unspecified, without hemorrhage or perforation; K27.9 Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation; K21.0 Gastro-esophageal reflux disease with esophagitis; K21.9 Gastro-esophageal reflux disease without esophagitis
Associated ICD9-CM codes 530.81 Esophageal reflux; 530.11 Reflux esophagitis; 533.90 Peptic ulcer nos; 533.70 Chronic peptic ulcer nos

Equation: Tx_Index = (1.69 * Night_Pain) + (0.16 * (BMI - 25)) + (1.3 * Other_Rx) - (1.83 * Nausea) - 0.67

Variable: BMI~BodyMassIndex.eq~BMI_param
Default Unit: kg/m2_BMI
Allowable Units: kg/m2_BMI

Radio Button Variable: Night_Pain
Discrete variable option: Absent Variable value: 0
Discrete variable option: Present Variable value: 1

Radio Button Variable: Other_Rx
Discrete variable option: H2 blockers or antacids Not used in last month Variable value: 0
Discrete variable option: Other Rx used Variable value: 1

Radio Button Variable: Nausea
Discrete variable option: Absent Variable value: 0
Discrete variable option: Present Variable value: 1

Online calculator: Omeprazole Therapeutic Index in Dyspepsia
Source file: OmeprazoleTheraputicIndex.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes K27.7 Chronic peptic ulcer, site unspecified, without hemorrhage or perforation; K27.9 Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation; K21.0 Gastro-esophageal reflux disease with esophagitis; K21.9 Gastro-esophageal reflux disease without esophagitis
Associated ICD9-CM codes 530.81 Esophageal reflux; 530.11 Reflux esophagitis; 533.90 Peptic ulcer nos; 533.70 Chronic peptic ulcer nos

Equation: TxIndex = (1.69 * NightPain) + (0.16 * (BMI - 25)) + (1.3 * OtherRx) - (1.83 * Nausea) - 0.67

Variable: BMI~BodyMassIndex.eq~BMI_param
Default Unit: kg/m2_BMI
Allowable Units: kg/m2_BMI

Radio Button Variable: NightPain
Discrete variable option: Absent Variable value: 0
Discrete variable option: Present Variable value: 1

Radio Button Variable: OtherRx
Discrete variable option: H2 blockers or antacids Not used in last month Variable value: 0
Discrete variable option: Other Rx used Variable value: 1

Radio Button Variable: Nausea
Discrete variable option: Absent Variable value: 0
Discrete variable option: present Variable value: 1

Online calculator: ORBIT Bleeding Risk Score in Atrial Fibrillation
Source file: ORBIT.cc
EBMcalc Version: 21.3

Equation: ORBIT_Score = Age_Factor + Anemia_Factor + Bleeding_History + eGFR_Factor + On_Antiplatelet_Rx
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Hemoglobin
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL

Variable: Hematocrit
LOINC: 4544-3 : % : 20570-8 : % : 31100-1 : % : 4545-0 : %
Default Unit: %
Allowable Units: %

Radio Button Variable: Bleeding_History
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 2

Variable: eGFR
LOINC: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Unit: mL/min/1.73m2
Allowable Units: mL/min/1.73m2

Radio Button Variable: On_Antiplatelet_Rx
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: Osmolal Gap Calculator (SI units)
Source file: OsmolalGap_SI.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes T51.2X4A Toxic effect of 2-Propanol, undetermined, initial encounter; T51.8X4A Toxic effect of other alcohols, undetermined, initial encounter; T51.1X4A Toxic effect of methanol, undetermined, initial encounter
Associated ICD9-CM codes 980.2 Toxic eff isopropyl alc; 980.1 Toxic eff methyl alcohol; 980.8 Toxic effect alcohol nec; 980.9 Toxic effect alcohol nos

Equation: Calculated_Osm = (Serum_Na * 2) + Serum_Glucose + Serum_BUN + (Serum_Ethanol * EOF)
LOINC of Result: 18182-6 : mOsm/kg
Default Result Unit: mOsm/kg
Allowable Result Units:

Equation: Osmolal_Gap = Measured_Osm - Calculated_Osm
Default Result Unit: mOsm/kg
Allowable Result Units:

Variable: Serum_Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mmol/L
Allowable Units: mmol/L

Variable: Serum_Glucose
LOINC: 2345-7 : mg/dL : 2339-0 : mg/dL : 39480-9 : mmol/L : 32318-8 : mmol/L
Default Unit: mmol/L
Allowable Units: mmol/L

Variable: Serum_BUN
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mmol/L
Allowable Units: mmol/L

Variable: Serum_Ethanol
LOINC: 5643-2 : mg/dL : 5640-8 : mg/dL : 14719-9 : mmol/L
Default Unit: mmol/L
Allowable Units: mmol/L

Radio Button Variable: EOF
Discrete variable option: 1.25 Variable value: 1.25
Discrete variable option: 1 Variable value: 1

Variable: Measured_Osm
LOINC: 2692-2 : mOsm/kg : 2696-3 : mOsm/kg
Default Unit: mOsm/kg
Allowable Units: mOsm/kg

Online calculator: Osmolal Gap Calculator
Source file: OsmolalGap.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes T51.2X4A Toxic effect of 2-Propanol, undetermined, initial encounter; T51.8X4A Toxic effect of other alcohols, undetermined, initial encounter; T51.1X4A Toxic effect of methanol, undetermined, initial encounter
Associated ICD9-CM codes 980.2 Toxic eff isopropyl alc; 980.1 Toxic eff methyl alcohol; 980.8 Toxic effect alcohol nec; 980.9 Toxic effect alcohol nos

Equation: Calculated_Osm = (Serum_Na * 2) + (Serum_Glucose / 18) + (Serum_BUN / 2.8) + (Serum_Ethanol / EOF)
LOINC of Result: 18182-6 : mOsm/kg
Default Result Unit: mOsm/kg
Allowable Result Units:

Equation: Osmolal_Gap = Measured_Osm - Calculated_Osm
Default Result Unit: mOsm/kg
Allowable Result Units:

Variable: Serum_Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L
Allowable Units: mEq/L

Variable: Serum_Glucose
LOINC: 2345-7 : mg/dL : 2339-0 : mg/dL : 39480-9 : mmol/L : 32318-8 : mmol/L
Default Unit: mg/dL
Allowable Units: mg/dL

Variable: Serum_BUN
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mg/dL
Allowable Units: mg/dL

Variable: Serum_Ethanol
LOINC: 5643-2 : mg/dL : 5640-8 : mg/dL : 14719-9 : mmol/L
Default Unit: mg/dL
Allowable Units: mg/dL

Radio Button Variable: EOF
Discrete variable option: 3.7 Variable value: 3.7
Discrete variable option: 4.6 Variable value: 4.6

Variable: Measured_Osm
LOINC: 2692-2 : mOsm/kg : 2696-3 : mOsm/kg
Default Unit: mOsm/kg
Allowable Units: mOsm/kg

Online calculator: Osmolality Estimator (serum)
Source file: Osmolality.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E87.1 Hypo-osmolality and hyponatremia; E22.2 Syndrome of inappropriate secretion of antidiuretic hormone; E86.0 Dehydration
Associated ICD9-CM codes 276.1 Hyponatremia; 276.51 Dehydration

Equation: Osm = (Na * 2) + (Glucose / 18) + (BUN / 2.8)
Default Result Unit: mOsm/kg
Allowable Result Units:

Variable: Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Variable: Glucose
LOINC: 2345-7 : mg/dL : 2339-0 : mg/dL : 39480-9 : mmol/L : 32318-8 : mmol/L
Default Unit: mg/dL_Glu
Allowable Units: mg/dL_Glu

Variable: BUN
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Online calculator: Osmolar Clearance
Source file: OsmolalClearance.eq
EBMcalc Version: 8.7

Equation: Osm_Clear = (Urine_Osm / Serum_Osm) * Urine_Per_Day / 24
Default Result Unit: mL/hr
Allowable Result Units:

Variable: Urine_Osm
LOINC: 2695-5 : mOsm/kg
Default Unit: mOsm/kg
Allowable Units: mOsm/kg

Variable: Serum_Osm
LOINC: 2692-2 : mOsm/kg : 2696-3 : mOsm/kg
Default Unit: mOsm/kg
Allowable Units: mOsm/kg

Variable: Urine_Per_Day
Default Unit: mL
Allowable Units: mL

Online calculator: Osteoporosis Risk Assessment by Composite Linear Estimate (ORACLE score)
Source file: OsteoporosisORACLE.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes M81.0 Age-related osteoporosis without current pathological fracture; M81.8 Other osteoporosis without current pathological fracture
Associated ICD9-CM codes 733.09 Osteoporosis nec; 733.00 Osteoporosis nos

Equation: ORACLE = -1 / ( (0.02 * Age) - (0.13 * BMI) - (0.39 * HRTx) + (0.74 * HxFx) - (3 * UBPI) )
Default Result Unit: score
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: BMI~BodyMassIndex.eq~BMI_param
Default Unit: kg/m2_BMI
Allowable Units: kg/m2_BMI

Radio Button Variable: HRTx
Discrete variable option: Yes Variable value: 1
Discrete variable option: No Variable value: 0

Radio Button Variable: HxFx
Discrete variable option: Yes Variable value: 1
Discrete variable option: No Variable value: 0

Variable: UBPI
Default Unit: index
Allowable Units: index

Online calculator: Osteoporosis Risk Assessment Instrument (ORAI)
Source file: OsteoporosisRisk.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes M81.0 Age-related osteoporosis without current pathological fracture; M81.8 Other osteoporosis without current pathological fracture
Associated ICD9-CM codes 733.09 Osteoporosis nec; 733.00 Osteoporosis nos

Equation: ORAI_Score = Age_Factor + Weight_Factor + On_Estrogen
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Radio Button Variable: On_Estrogen
Discrete variable option: No Variable value: 2
Discrete variable option: Yes Variable value: 0

Online calculator: Osteoporosis Risk SCORE (Simple Calculated Osteoporosis Risk Estimation)
Source file: OsteoporosisRiskSCORE.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes M81.0 Age-related osteoporosis without current pathological fracture; M81.8 Other osteoporosis without current pathological fracture
Associated ICD9-CM codes 733.09 Osteoporosis nec; 733.00 Osteoporosis nos

Equation: SCORE = Race + Rheum_Arth + Hx_Frac + Estrogen + (3 * Age / 10) - (Weight / 10)
Default Result Unit: score
Allowable Result Units:

Radio Button Variable: Race
Discrete variable option: American Indian or Alaska Native Variable value: 5
Discrete variable option: Asian Variable value: 5
Discrete variable option: Black or African American Variable value: 0
Discrete variable option: Native Hawaiian or Other Pacific Islander Variable value: 5
Discrete variable option: White Variable value: 5

Radio Button Variable: Rheum_Arth
Discrete variable option: Present Variable value: 4
Discrete variable option: Absent Variable value: 0

Radio Button Variable: Hx_Frac
Discrete variable option: No Nontraumatic Fractures Variable value: 0
Discrete variable option: 1 Nontraumatic Variable value: 4
Discrete variable option: 2 Nontraumatic Variable value: 8
Discrete variable option: 3 or more Nontraumatic Variable value: 12

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Estrogen
Discrete variable option: Prior use Variable value: 0
Discrete variable option: NO prior use Variable value: 1

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: lb
Allowable Units: lb

Online calculator: Osteoporosis Self Assessment Tool for Men
Source file: OsteoporosisST_M.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes M81.0 Age-related osteoporosis without current pathological fracture; M81.8 Other osteoporosis without current pathological fracture
Associated ICD9-CM codes 733.09 Osteoporosis nec; 733.00 Osteoporosis nos

Equation: OST = 0.2 * (Weight - Age)
Default Result Unit: score
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Online calculator: Osteoporosis Self Assessment Tool for Women
Source file: OsteoporosisST_W.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes M81.0 Age-related osteoporosis without current pathological fracture; M81.8 Other osteoporosis without current pathological fracture
Associated ICD9-CM codes 733.09 Osteoporosis nec; 733.00 Osteoporosis nos

Equation: OST = 0.2 * (Weight - Age)
Default Result Unit: score
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Online calculator: Oswestry Disability Index Version 1
Source file: OswestryDisability1.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes Z73.6 Limitation of activities due to disability; Z02.71 Encounter for disability determination
Associated ICD9-CM codes V68.01 Enc disability exam

Equation: Top_Possible_Score = 5 * (S1A + S2A + S3A + S4A + S5A + S6A + S7A + S8A + S9A + S10A)
Default Result Unit: number
Allowable Result Units:

Equation: Subject_Score = (S1 * S1A) + (S2 * S2A) + (S3 * S3A) + (S4 * S4A) + (S5 * S5A) + (S6 * S6A) + (S7 * S7A) + (S8 * S8A) + (S9 * S9A) + (S10 * S10A)
Default Result Unit: points
Allowable Result Units:

Equation: ODI = 100 * Subject_Score / Top_Possible_Score
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: S1
Discrete variable option: I can tolerate the pain I have without having to use painkillers Variable value: 0
Discrete variable option: The pain is bad but I manage without taking painkillers Variable value: 1
Discrete variable option: Painkillers give complete relief from pain Variable value: 2
Discrete variable option: Painkillers give moderate relief from pain Variable value: 3
Discrete variable option: Painkillers give very little relief from pain Variable value: 4
Discrete variable option: Painkillers have no effect on the pain and I do not use them Variable value: 5

Radio Button Variable: S2
Discrete variable option: I can look after myself normally without causing extra pain Variable value: 0
Discrete variable option: I can look after myself normally but it causes extra pain Variable value: 1
Discrete variable option: It is painful to look after myself and I am slow and careful Variable value: 2
Discrete variable option: I need some help but manage most of my personal care Variable value: 3
Discrete variable option: I need help every day in most aspects of self-care Variable value: 4
Discrete variable option: I do not get dressed, wash with difficulty and stay in bed Variable value: 5

Radio Button Variable: S3
Discrete variable option: I can lift heavy weights without extra pain Variable value: 0
Discrete variable option: I can lift heavy weights but it gives extra pain Variable value: 1
Discrete variable option: Pain prevents me from lifting heavy weights off the floor, but I can manage if they are conveniently positioned, e.g. on a table Variable value: 2
Discrete variable option: Pain prevents me from lifting heavy weights but I can manage light to medium weights if they are conveniently positioned Variable value: 3
Discrete variable option: I can lift only very light weights Variable value: 4
Discrete variable option: I cannot lift or carry anything at all Variable value: 5

Radio Button Variable: S4
Discrete variable option: Pain does not prevent my walking any distance Variable value: 0
Discrete variable option: Pain prevents me walking more than 1 mile Variable value: 1
Discrete variable option: Pain prevents me walking more than 1/2 mile Variable value: 2
Discrete variable option: Pain prevents me walking more than 1/4 mile Variable value: 3
Discrete variable option: I can only walk using a stick or crutches Variable value: 4
Discrete variable option: I am in bed most of the time and have to crawl to the toilet Variable value: 5

Radio Button Variable: S5
Discrete variable option: I can sit in any chair as long as I like Variable value: 0
Discrete variable option: I can sit in my favourite chair as long as I like Variable value: 1
Discrete variable option: Pain prevents me sitting more than 1 hour Variable value: 2
Discrete variable option: Pain prevents me from sitting more than 1/2 an hour Variable value: 3
Discrete variable option: Pain prevents me from sitting more than 10 minutes Variable value: 4
Discrete variable option: Pain prevents me from sitting at all Variable value: 5

Radio Button Variable: S6
Discrete variable option: I can stand as long as I want without extra pain Variable value: 0
Discrete variable option: I can stand as long as I want but it gives me extra pain Variable value: 1
Discrete variable option: Pain prevents me from standing for more than 1 hour Variable value: 2
Discrete variable option: Pain prevents me from standing for more than 30 minutes Variable value: 3
Discrete variable option: Pain prevents me from standing for more than 10 minutes Variable value: 4
Discrete variable option: Pain prevents me from standing at all Variable value: 5

Radio Button Variable: S7
Discrete variable option: Pain does not prevent me from sleeping well Variable value: 0
Discrete variable option: I can sleep well only by using tablets Variable value: 1
Discrete variable option: Even when I take tablets I have less than 6 hours sleep Variable value: 2
Discrete variable option: Even when I take tablets I have less than 4 hours sleep Variable value: 3
Discrete variable option: Even when I take tablets I have less than 2 hours sleep Variable value: 4
Discrete variable option: Pain prevents me from sleeping at all Variable value: 5

Radio Button Variable: S8
Discrete variable option: My sex life is normal and causes no extra pain Variable value: 0
Discrete variable option: My sex life is normal but causes some extra pain Variable value: 1
Discrete variable option: My sex life is nearly normal but is very painful Variable value: 2
Discrete variable option: My sex life is severely restricted by pain Variable value: 3
Discrete variable option: My sex life is nearly absent because of pain Variable value: 4
Discrete variable option: Pain prevents any sex life at all Variable value: 5

Radio Button Variable: S9
Discrete variable option: My social life is normal and gives me no extra pain Variable value: 0
Discrete variable option: My social life is normal but increases the degree of pain Variable value: 1
Discrete variable option: Pain has no significant effect on my social life apart from limiting my more energetic interests, e.g. dancing, etc Variable value: 2
Discrete variable option: Pain has restricted my social life and I do not go out as often Variable value: 3
Discrete variable option: Pain has restricted social life to my home Variable value: 4
Discrete variable option: I have no social life because of pain Variable value: 5

Radio Button Variable: S10
Discrete variable option: I can travel anywhere without extra pain Variable value: 0
Discrete variable option: I can travel anywhere but it gives me extra pain Variable value: 1
Discrete variable option: Pain is bad but I manage journeys over two hours Variable value: 2
Discrete variable option: Pain restricts me to journeys of less than one hour Variable value: 3
Discrete variable option: Pain restricts me to short necessary journeys under 30 minutes Variable value: 4
Discrete variable option: Pain prevents travel except to the doctor or hospital Variable value: 5

Online calculator: Oswestry Disability Index Version 2
Source file: OswestryDisability2.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes Z73.6 Limitation of activities due to disability; Z02.71 Encounter for disability determination
Associated ICD9-CM codes V68.01 Enc disability exam

Equation: Top_Possible_Score = 5 * (S1A + S2A + S3A + S4A + S5A + S6A + S7A + S8A + S9A + S10A)
Default Result Unit: number
Allowable Result Units:

Equation: Subject_Score = (S1 * S1A) + (S2 * S2A) + (S3 * S3A) + (S4 * S4A) + (S5 * S5A) + (S6 * S6A) + (S7 * S7A) + (S8 * S8A) + (S9 * S9A) + (S10 * S10A)
Default Result Unit: points
Allowable Result Units:

Equation: ODI = 100 * Subject_Score / Top_Possible_Score
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: S1
Discrete variable option: I have no pain at the moment Variable value: 0
Discrete variable option: The pain is very mild at the moment Variable value: 1
Discrete variable option: The pain is moderate at the moment Variable value: 2
Discrete variable option: The pain is fairly severe at the moment Variable value: 3
Discrete variable option: The pain is very severe at the moment Variable value: 4
Discrete variable option: The pain is the worst imaginable at the moment Variable value: 5

Radio Button Variable: S2
Discrete variable option: I can look after myself normally without causing extra pain Variable value: 0
Discrete variable option: I can look after myself normally but it is very painful Variable value: 1
Discrete variable option: It is painful to look after myself and I am slow and careful Variable value: 2
Discrete variable option: I need some help but manage most of my personal care Variable value: 3
Discrete variable option: I need help every day in most aspects of self care Variable value: 4
Discrete variable option: I do not get dressed, wash with difficulty and stay in bed Variable value: 5

Radio Button Variable: S3
Discrete variable option: I can lift heavy weights without extra pain Variable value: 0
Discrete variable option: I can lift heavy weights but it gives extra pain Variable value: 1
Discrete variable option: Pain prevents me from lifting heavy weights off the floor but I can manage if they are conveniently positioned, e.g. on a table Variable value: 2
Discrete variable option: Pain prevents me from lifting heavy weights but I can manage light to medium weights if they are conveniently positioned Variable value: 3
Discrete variable option: I can lift only very light weights Variable value: 4
Discrete variable option: I cannot lift or carry anything at all Variable value: 5

Radio Button Variable: S4
Discrete variable option: Pain does not prevent me walking any distance Variable value: 0
Discrete variable option: Pain prevents me walking more than 1 mile Variable value: 1
Discrete variable option: Pain prevents me walking more than than 1/2 of a mile Variable value: 2
Discrete variable option: Pain prevents me walking more than 100 yards Variable value: 3
Discrete variable option: I can only walk using a stick or crutches Variable value: 4
Discrete variable option: I am in bed most of the time and have to crawl to the toilet Variable value: 5

Radio Button Variable: S5
Discrete variable option: I can sit in any chair as long as I like Variable value: 0
Discrete variable option: I can sit in my favourite chair as long as I like Variable value: 1
Discrete variable option: Pain prevents me from sitting for more than 1 hour Variable value: 2
Discrete variable option: Pain prevents me from sitting for more than 1/2 an hour Variable value: 3
Discrete variable option: Pain prevents me from sitting for more than 10 minutes Variable value: 4
Discrete variable option: Pain prevents me from sitting at all Variable value: 5

Radio Button Variable: S6
Discrete variable option: I can stand as long as I want without extra pain Variable value: 0
Discrete variable option: I can stand as long as I want but it gives me extra pain Variable value: 1
Discrete variable option: Pain prevents me from standing for more than 1 hour Variable value: 2
Discrete variable option: Pain prevents me from standing for more than 1/2 an hour Variable value: 3
Discrete variable option: Pain prevents me from standing for more than 10 minutes Variable value: 4
Discrete variable option: Pain prevents me from standing at all Variable value: 5

Radio Button Variable: S7
Discrete variable option: My sleep is never disturbed by pain Variable value: 0
Discrete variable option: My sleep is occasionally disturbed by pain Variable value: 1
Discrete variable option: Because of pain I have less than 6 hours sleep Variable value: 2
Discrete variable option: Because of pain I have less than 4 hours sleep Variable value: 3
Discrete variable option: Because of pain I have less than 2 hours sleep Variable value: 4
Discrete variable option: Pain prevents me from sleeping at all Variable value: 5

Radio Button Variable: S8
Discrete variable option: My sex life is normal and causes no extra pain Variable value: 0
Discrete variable option: My sex life is normal but causes some extra pain Variable value: 1
Discrete variable option: My sex life is nearly normal but is very painful Variable value: 2
Discrete variable option: My sex life is severely restricted by pain Variable value: 3
Discrete variable option: My sex life is nearly absent because of pain Variable value: 4
Discrete variable option: Pain prevents any sex life at all Variable value: 5

Radio Button Variable: S9
Discrete variable option: My social life is normal and causes me no extra pain Variable value: 0
Discrete variable option: My social life is normal but increases the degree of pain Variable value: 1
Discrete variable option: Pain has no significant effect on my social life apart from limiting my more energetic interests, e.g. sport, etc... Variable value: 2
Discrete variable option: Pain has restricted my social life and I do not go out as often Variable value: 3
Discrete variable option: Pain has restricted social life to my home Variable value: 4
Discrete variable option: I have no social life because of pain Variable value: 5

Radio Button Variable: S10
Discrete variable option: I can travel anywhere without pain Variable value: 0
Discrete variable option: I can travel anywhere but it gives extra pain Variable value: 1
Discrete variable option: Pain is bad but I manage journeys over two hours Variable value: 2
Discrete variable option: Pain restricts me to journeys of less than one hour Variable value: 3
Discrete variable option: Pain restricts me to short necessary journeys under 30 minutes Variable value: 4
Discrete variable option: Pain prevents me from travelling except to receive treatment Variable value: 5

Online calculator: Ottawa Heart Failure Risk Scale
Source file: OttawaHeartFailue.cc
EBMcalc Version: 19.4

Equation: Heart_Failure_Risk_Score = Stroke + Intubation_for_distress + Heart_Rate_Factor + SAO2_Factor + Heart_Rate_3_minute + New_ischemic_EKG_changes + Urea_Factor + HCO3_Factor + Troponin_MI + NTproBNP_Factor

Radio Button Variable: Stroke
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Intubation_for_distress
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 2

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min

Variable: SAO2
Default Unit: %
Allowable Units: %

Radio Button Variable: Heart_Rate_3_minute
Discrete variable option: <110 bpm Variable value: 0
Discrete variable option: ≥110 bpm Variable value: 1
Discrete variable option: Too sick to undergo walk Variable value: 1

Radio Button Variable: New_ischemic_EKG_changes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 2

Variable: Urea
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mmol/L_BUN
Allowable Units: mmol/L_BUN

Variable: HCO3
LOINC: 2028-9 : mmol/L : 1959-6 : mEq/L : 1960-4 : mEq/L : 14627-4 : mEq/L : 1961-2 : mEq/L : 22735-5 : mEq/L : 1963-8 : mEq/L
Default Unit: mmol/L_HCO3
Allowable Units: mmol/L_HCO3

Radio Button Variable: Troponin_MI
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 2

Variable: NTproBNP
LOINC: 30934-4 : pg/mL : 42637-9 : pg/mL : 33762-6 : pg/mL
Default Unit: ng/L_NTPBNP
Allowable Units: ng/L_NTPBNP

Online calculator: Ottawa Knee Rule for use of X Ray in Knee Injury
Source file: OttawaKnee.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes S86.819A Strain of other muscle(s) and tendon(s) at lower leg level, unspecified leg, initial encounter; S83.8X9A Sprain of other specified parts of unspecified knee, initial encounter; M21.869 Other specified acquired deformities of unspecified lower leg; S80.00XA Contusion of unspecified knee, initial encounter
Associated ICD9-CM codes 924.11 Contusion of knee; 736.6 Acq knee deformity nec; 844.8 Sprain of knee & leg nec; 844.9 Sprain of knee & leg nos; 836.1 Tear lat menisc knee-cur; 836.0 Tear med menisc knee-cur; 717.89 Int derangement knee nec; 717.9 Int derangement knee nos; 836.69 Dislocat knee nec-open; 836.50 Dislocat knee nos-closed; 836.60 Dislocat knee nos-open

Equation: Ottawa_Score = Age_Factor + Clinical_Findings
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Online calculator: Ottawa Subarachnoid Hemorrhage (SAH) Rule
Source file: OttawaSAH.cc
EBMcalc Version: 19.4

Equation: Score = Age_Factor + Neck_Stiffness_Or_Pain + Loss_Of_Conciousness + Onset_With_Exertion + Instantly_Peaking_Headache + Neck_Flexion_Limitation
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 15 yr
Maximum value: 120 yr

Online calculator: Overall Accuracy of a Test from Raw Data
Source file: OverallAccData.eq
EBMcalc Version: 8.8

Equation: Overall_Accuracy = 100 * (True_Pos + True_Neg) / (True_Pos + True_Neg + False_Pos + False_Neg)
Default Result Unit: %
Allowable Result Units:

Variable: True_Pos
Default Unit: #
Allowable Units: #

Variable: False_Pos
Default Unit: #
Allowable Units: #

Variable: True_Neg
Default Unit: #
Allowable Units: #

Variable: False_Neg
Default Unit: #
Allowable Units: #

Online calculator: Overall Accuracy of a Test from Sensitivity, Specificity and Prevalence
Source file: OverallAccSS.eq
EBMcalc Version: 8.8

Equation: True_Pos = Sensitivity * Prevalence
Default Result Unit: ratio
Allowable Result Units:

Equation: True_Neg = Specificity * (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Equation: Overall_Accuracy = 100 * (True_Pos + True_Neg)
Default Result Unit: %
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Sensitivity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Specificity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: Oxygen Consumption
Source file: O2Consumption.eq
EBMcalc Version: 8.9

Equation: VO2 = VExp * ( FIO2 - FEO2 )
Default Result Unit: mL/min
Allowable Result Units:

Variable: VExp
Default Unit: mL/min
Allowable Units: mL/min

Variable: FIO2
LOINC: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %
Default Unit: fractionO2_InspO2
Allowable Units: fractionO2_InspO2
Maximum value: 1 fractionO2_InspO2

Variable: FEO2
Default Unit: fractionO2_InspO2
Allowable Units: fractionO2_InspO2
Maximum value: 1 fractionO2_InspO2

Online calculator: Oxygen Content of Arterial Blood
Source file: OxygenContentArterial.eq
EBMcalc Version: 8.9

Equation: CaO2 = ( Hgb * 13.4 * O2Sat / 100 ) + ( PaO2 * 0.031 )
LOINC of Result: 59274-1 : mL/dL
Default Result Unit: mL/L_CaO2
Allowable Result Units:

Variable: Hgb
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL

Variable: O2Sat
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %

Variable: PaO2
LOINC: 11556-8 : mmHg : 2703-7 : mmHg : 19254-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: Oxygen Content of Venous Blood
Source file: OxygenContentVenous.eq
EBMcalc Version: 8.9

Equation: CvO2 = ( Hgb * 13.4 * O2vSat / 100 ) + ( PvO2 * 0.031 )
LOINC of Result: 64798-2 : mL/dL
Default Result Unit: mL/L_CvO2
Allowable Result Units:

Variable: Hgb
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL

Variable: O2vSat
LOINC: 51731-8 : %
Default Unit: %
Allowable Units: %

Variable: PvO2
LOINC: 2705-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: Oxygen Saturation Estimate from PO2
Source file: O2SatFromPO2.eq
EBMcalc Version: 10.3

Equation: O2_Saturation = 100 / (1 + (23400 / (power(PO2,3) + (150 * PO2))))
LOINC of Result: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Result Unit: %
Allowable Result Units:

Variable: PO2
LOINC: 11556-8 : mmHg : 2703-7 : mmHg : 19254-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: Oxygenation index in neonates, children, and adults
Source file: OxygenIndex.eq
EBMcalc Version: 8.7

Equation: OI = FIO2 * Mean_airway_pressure / PaO2
Default Result Unit: index
Allowable Result Units:

Variable: FIO2
LOINC: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %
Default Unit: %_InspO2
Allowable Units: %_InspO2
Minimum value: 10 %_InspO2
Maximum value: 100 %_InspO2

Variable: Mean_airway_pressure
Default Unit: cmH2O
Allowable Units: cmH2O
Maximum value: 75 cmH2O

Variable: PaO2
LOINC: 11556-8 : mmHg : 2703-7 : mmHg : 19254-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Maximum value: 700 mmHg

Online calculator: paO2 / FIO2 Ratio (for MODS Calculation)
Source file: PaO2_FIO2Ratio.eq
EBMcalc Version: 8.9

Equation: p_aO2_FIO2_Ratio = p_aO2 / FIO2
Default Result Unit: ratio
Allowable Result Units:

Variable: p_aO2
LOINC: 11556-8 : mmHg : 2703-7 : mmHg : 19254-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: FIO2
LOINC: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %
Default Unit: fractionO2_InspO2
Allowable Units: fractionO2_InspO2
Maximum value: 1 fractionO2_InspO2

Online calculator: PaO2 Correction for FIO2
Source file: PaO2Correction.eq
EBMcalc Version: 8.8
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: PO2_Corrected = 21 * PaO2 / FIO2
Default Result Unit: torr
Allowable Result Units:

Variable: PaO2
LOINC: 11556-8 : mmHg : 2703-7 : mmHg : 19254-2 : mmHg
Default Unit: torr
Allowable Units: torr

Variable: FIO2
LOINC: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %
Default Unit: %_InspO2
Allowable Units: %_InspO2
Minimum value: 1 %_InspO2
Maximum value: 100 %_InspO2

Online calculator: PASI Psoriasis Area and Severity Index
Source file: PASI.eq
EBMcalc Version: 11.1
Associated ICD10-CM codes L44.8 Other specified papulosquamous disorders; L40.8 Other psoriasis; L40.4 Guttate psoriasis; L40.1 Generalized pustular psoriasis; L40.0 Psoriasis vulgaris
Associated ICD9-CM codes 696.1 Other psoriasis; 696.0 Psoriatic arthropathy; 696.8 Psorias related dis nec

Equation: PASI = (0.1 * Ah * (Eh + Ih + Dh)) + (0.2 * Au * (Eu + Iu + Du)) + (0.3 * At * (Et + It + Dt)) + (0.4 * Al * (El + Il + Dl))
Default Result Unit: index
Allowable Result Units:

Online calculator: PEACH Score: Estimating Perioperative Mortality in Adult Congenital Heart Disease Surgery
Source file: PEACH.cc
EBMcalc Version: 21.3

Equation: PEACH_Score = NYHA_Factor + eGFR_Factor + Hemoglobin_Factor + Procedure + Active_Endocarditis + Prior_Sternotomies + Math.abs(ACHS_Score >= 1.6)
Default Result Unit: points
Allowable Result Units:

Variable: NYHA_Class
LOINC: 88020-3 : score
Default Unit: score
Allowable Units: score
Minimum value: 1 score
Maximum value: 4 score

Variable: eGFR
LOINC: 77147-7 : mL/min/1.73m2 : 48643-1 : mL/min/1.73m2 : 48642-3 : mL/min/1.73m2 : 69405-9 : mL/min/1.73m2 : 62238-1 : mL/min/1.73m2
Default Unit: mL/min/1.73 m(2)
Allowable Units: mL/min/1.73 m(2)

Variable: Hemoglobin
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL
Maximum value: 100 g/dL

Radio Button Variable: Procedure
Discrete variable option: Nonurgent Variable value: 0
Discrete variable option: Urgent Variable value: 1

Radio Button Variable: Active_Endocarditis
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Prior_Sternotomies
Discrete variable option: Less than 2 Variable value: 0
Discrete variable option: 2 or more Variable value: 1

Online calculator: Peak Expiratory Flow Prediction in adults
Source file: PeakExpFlow.eq
EBMcalc Version: 8.7

Equation: PEF_female = eTo((0.376 * ln(Age)) - (0.012 * Age) - (58.8 / Height) + 5.63)
Default Result Unit: L/min
Allowable Result Units:

Equation: PEF_male = eTo((0.544 * ln(Age)) - (0.0151 * Age) - (74.7 / Height) + 5.48)
Default Result Unit: L/min
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 100 cm
Maximum value: 250 cm

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 15 yr
Maximum value: 85 yr

Online calculator: Peak expiratory flow prediction in females (18 to 85 years)
Source file: PeakExpFlowHankinsonFemale.eq
EBMcalc Version: 19.3

Equation: PEF = 60 * (b0 + (b1 * Age) + (b2 * power(Age,2)) + (b3 * power(Height,2)))
Default Result Unit: L/min
Allowable Result Units:

Equation: PEF_LLN = 60 * (b0 + (b1 * Age) + (b2 * power(Age,2)) + (b4 * power(Height,2)))
Default Result Unit: L/min
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr
Maximum value: 85 yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 100 cm
Maximum value: 250 cm

Radio Button Variable: Race
Discrete variable option: White Variable value: 0
Discrete variable option: Black or African American Variable value: 1
Discrete variable option: Mexican-American Variable value: 2

Online calculator: Peak expiratory flow prediction in females (5 to <18 years)
Source file: PEF_Girls.eq
EBMcalc Version: 20.1

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 5 yr
Maximum value: 17.99 yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 100 cm
Maximum value: 200 cm

Radio Button Variable: RE
Discrete variable option: White Variable value: 0
Discrete variable option: Black or African American Variable value: 1
Discrete variable option: Mexican American Variable value: 2
Discrete variable option: Other Variable value: 3

Equation: PEF_Pred = PEFPred
Default Result Unit: L/min
Allowable Result Units:

Equation: PEF80 = 0.8 * PEF_Pred
Default Result Unit: L/min
Allowable Result Units:

Equation: PEF50 = PEF_Pred / 2
Default Result Unit: L/min
Allowable Result Units:

Online calculator: Peak expiratory flow prediction in males (18 to 85 years)
Source file: PeakExpFlowHankinsonMale.eq
EBMcalc Version: 19.3

Equation: PEF = 60 * (b0 + (b1 * Age) + (b2 * power(Age,2)) + (b3 * power(Height,2)))
Default Result Unit: L/min
Allowable Result Units:

Equation: PEF_LLN = 60 * (b0 + (b1 * Age) + (b2 * power(Age,2)) + (b4 * power(Height,2)))
Default Result Unit: L/min
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr
Maximum value: 85 yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 100 cm
Maximum value: 250 cm

Radio Button Variable: Race
Discrete variable option: White Variable value: 0
Discrete variable option: Black or African American Variable value: 1
Discrete variable option: Mexican-American Variable value: 2

Online calculator: Peak expiratory flow prediction in males, 5 to <18 years
Source file: PEF_Boys.eq
EBMcalc Version: 20.1

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 5 yr
Maximum value: 17.99 yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 100 cm
Maximum value: 200 cm

Radio Button Variable: RE
Discrete variable option: White Variable value: 0
Discrete variable option: Black or African American Variable value: 1
Discrete variable option: Mexican American Variable value: 2
Discrete variable option: Other Variable value: 3

Equation: PEF_Pred = PEFPred
Default Result Unit: L/min
Allowable Result Units:

Equation: PEF80 = 0.8 * PEF_Pred
Default Result Unit: L/min
Allowable Result Units:

Equation: PEF50 = PEF_Pred / 2
Default Result Unit: L/min
Allowable Result Units:

Online calculator: Peak Expiratory Flow Variability in Asthma
Source file: PeakExpFlowVariability.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: Avg_Daily_Variability = 100 * (Highest_PEF - Lowest_PEF) / Highest_PEF
Default Result Unit: %
Allowable Result Units:

Variable: Highest_PEF
Default Unit: L/min
Allowable Units: L/min

Variable: Lowest_PEF
Default Unit: L/min
Allowable Units: L/min

Online calculator: PELD Score for End-Stage Liver Disease in patients less than 12 years old (original)
Source file: PELD.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z01.818 Encounter for other preprocedural examination; Z01.812 Encounter for preprocedural laboratory examination; K74.69 Other cirrhosis of liver; K74.60 Unspecified cirrhosis of liver; K74.0 Hepatic fibrosis
Associated ICD9-CM codes 571.5 Cirrhosis of liver nos; V72.84 Preop exam unspcf

Equation: Age_Months = Age * 12

Equation: Hgt_M = rangeN1(n2_Height, Age_Months)

Equation: Wgt_M = rangeN1(n2_Weight, Age_Months)

Equation: Hgt_F = rangeN1(n1_Height, Age_Months)

Equation: Wgt_F = rangeN1(n1_Weight, Age_Months)

Equation: PELD_Score = (!Exception_Diagnoses * (10 * ((0.480 * ln(Bilirubin)) + (1.857 * ln(INR)) - (0.687 * ln(Albumin)) + Listing_Age_Factor + Growth))) + (Exception_Diagnoses * 30)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Maximum value: 11.99 yr

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb
Minimum value: 1 g/dL_Alb
Maximum value: 1000 g/dL_Alb

Variable: Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili
Minimum value: 1 mg/dL_Bili
Maximum value: 1000 mg/dL_Bili

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR
Minimum value: 1 ratio_INR
Maximum value: 1000 ratio_INR

Radio Button Variable: Listing
Discrete variable option: Age at listing 1 year or older Variable value: 0
Discrete variable option: Age at listing less than 1 year Variable value: 1

Radio Button Variable: Exception_Diagnoses
Discrete variable option: Non contributory Variable value: 0
Discrete variable option: Urea cycle disorder Variable value: 1
Discrete variable option: Organic acidemia Variable value: 1
Discrete variable option: Hepatoblastoma Variable value: 1

Online calculator: PELD-Cr Score for End-stage Liver Disease in patients less than 12 years old (2023 update)
Source file: PELDCr.eq
EBMcalc Version: 23.4
Associated ICD10-CM codes Z01.818 Encounter for other preprocedural examination; Z01.812 Encounter for preprocedural laboratory examination; K74.69 Other cirrhosis of liver; K74.60 Unspecified cirrhosis of liver; K74.0 Hepatic fibrosis
Associated ICD9-CM codes 571.5 Cirrhosis of liver nos; V72.84 Preop exam unspcf

Equation: Age = AgeMonths / 12
LOINC of Result: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Result Unit: yr
Allowable Result Units:

Equation: Age_Lab = AgeLabMonths / 12
Default Result Unit: yr
Allowable Result Units:

Equation: Age_Height = AgeHeightMonths
Default Result Unit: mo
Allowable Result Units:

Equation: Z_Score_Height = ZSH

Equation: Age_Weight = AgeWeightMonths
Default Result Unit: mo
Allowable Result Units:

Equation: Z_Score_Weight = ZSW

Equation: MZS = Math.min(ZSH,ZSW)

Equation: PELD_Score = P_Score
Default Result Unit: points
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb
Minimum value: 0.5 g/dL_Alb
Maximum value: 9.9 g/dL_Alb

Variable: Bili
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili
Maximum value: 99 mg/dL_Bili

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Minimum value: 0.5
Maximum value: 99

Variable: Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr
Minimum value: 0.01 mg/dL_Cr
Maximum value: 40 mg/dL_Cr

Online calculator: PFT Adjusted Predicted Values for Men MultiCalc
Source file: PulmonaryPredictM_A.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: FEV1 = Race * 1.08 * ((0.043 * Height) - (0.029 * Age) - 2.49 )
LOINC of Result: 20150-9 : L
Default Result Unit: L
Allowable Result Units:

Equation: FVC = Race * 1.1 * ((0.0576 * Height) - (0.0269 * Age) - 4.34 )
LOINC of Result: 19872-1 : L
Default Result Unit: L
Allowable Result Units:

Equation: FEV1_FVC_Ratio = 87.2 - (0.18 * Age)
Default Result Unit: %
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Race
Discrete variable option: Asian Variable value: 0.93
Discrete variable option: Black or African American Variable value: 0.87
Discrete variable option: White Variable value: 1

Online calculator: PFT Adjusted Predicted Values for Women MultiCalc
Source file: PulmonaryPredictF_A.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: FEV1 = Race * 1.08 * ((0.0395 * Height) - (0.025 * Age) - 2.6 )
LOINC of Result: 20150-9 : L
Default Result Unit: L
Allowable Result Units:

Equation: FVC = Race * 1.15 * ((0.0443 * Height) - (0.026 * Age) - 2.89 )
LOINC of Result: 19872-1 : L
Default Result Unit: L
Allowable Result Units:

Equation: FEV1_FVC_Ratio = 89.1 - (0.19 * Age)
Default Result Unit: %
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Race
Discrete variable option: Asian Variable value: 0.93
Discrete variable option: Black or African American Variable value: 0.87
Discrete variable option: White Variable value: 1

Online calculator: PFT Predicted Values for Boys MultiCalc
Source file: PulmonaryPredictB.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: FEV1 = eTo(((1.2669 + (0.0174 * Age)) * Height) - 1.2933)
LOINC of Result: 20150-9 : L
Default Result Unit: L
Allowable Result Units:

Equation: FVC = eTo(((1.3731 + (0.0164 * Age)) * Height) - 1.2782)
LOINC of Result: 19872-1 : L
Default Result Unit: L
Allowable Result Units:

Equation: FEV1_FVC_Ratio = 86.21
Default Result Unit: %
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: m
Allowable Units: m

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Online calculator: PFT Predicted Values for Girls MultiCalc
Source file: PulmonaryPredictG.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: FEV1 = eTo(((1.5016 + (0.0119 * Age)) * Height) - 1.5974)
LOINC of Result: 20150-9 : L
Default Result Unit: L
Allowable Result Units:

Equation: FVC = eTo(((1.48 + (0.0127 * Age)) * Height) - 1.4057)
LOINC of Result: 19872-1 : L
Default Result Unit: L
Allowable Result Units:

Equation: FEV1_FVC_Ratio = 88.88
Default Result Unit: %
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: m
Allowable Units: m

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Online calculator: PFT Predicted Values for Men MultiCalc
Source file: PulmonaryPredictM.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: FEV1 = Race * ((0.043 * Height) - (0.029 * Age) - 2.49 )
LOINC of Result: 20150-9 : L
Default Result Unit: L
Allowable Result Units:

Equation: FVC = Race * ((0.0576 * Height) - (0.0269 * Age) - 4.34 )
LOINC of Result: 19872-1 : L
Default Result Unit: L
Allowable Result Units:

Equation: FEV1_FVC_Ratio = 87.2 - (0.18 * Age)
Default Result Unit: %
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Race
Discrete variable option: Asian Variable value: 0.93
Discrete variable option: Black or African American Variable value: 0.87
Discrete variable option: White Variable value: 1

Online calculator: PFT Predicted Values for Women MultiCalc
Source file: PulmonaryPredictF.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: FEV1 = Race * ((0.0395 * Height) - (0.025 * Age) - 2.6 )
LOINC of Result: 20150-9 : L
Default Result Unit: L
Allowable Result Units:

Equation: FVC = Race * ((0.0443 * Height) - (0.026 * Age) - 2.89 )
LOINC of Result: 19872-1 : L
Default Result Unit: L
Allowable Result Units:

Equation: FEV1_FVC_Ratio = 89.1 - (0.19 * Age)
Default Result Unit: %
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Race
Discrete variable option: Asian Variable value: 0.93
Discrete variable option: Black or African American Variable value: 0.87
Discrete variable option: White Variable value: 1

Online calculator: PHASES Score for 5-Year Risk of Intracranial Aneurysm Rupture
Source file: PHASESscore.cc
EBMcalc Version: 22.4

Equation: PHASES_Score = Population + HTN + Age_Factor + Aneurysm_Size_Factor + Earlier_SAH_From_Different_Aneurysm + Site_of_Current_Aneurysm
Default Result Unit: points
Allowable Result Units:

Radio Button Variable: Population
Discrete variable option: North America Variable value: 0
Discrete variable option: Europe (excluding Finland) Variable value: 0
Discrete variable option: Japan Variable value: 3
Discrete variable option: Finland Variable value: 5

Radio Button Variable: HTN
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Size_of_Aneurysm
Default Unit: mm
Allowable Units: mm

Radio Button Variable: Earlier_SAH_From_Different_Aneurysm
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Site_of_Current_Aneurysm
Discrete variable option: ICA Variable value: 0
Discrete variable option: MCA Variable value: 2
Discrete variable option: ACA Variable value: 4
Discrete variable option: Pcom Variable value: 4
Discrete variable option: Posterior circulation Variable value: 4

Online calculator: Phenytoin Free (Unbound) Drug Level (Adjusted for Hypoalbuminemia)
Source file: PhenytoinFree.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes G40.919 Epilepsy, unspecified, intractable, without status epilepticus; G40.911 Epilepsy, unspecified, intractable, with status epilepticus; G40.909 Epilepsy, unspecified, not intractable, without status epilepticus; G40.901 Epilepsy, unspecified, not intractable, with status epilepticus
Associated ICD9-CM codes 345.90 Epilep nos w/o intr epil; 345.91 Epilepsy nos w intr epil

Equation: Phenytoin_Free = (0.55 * Phenytoin_Measured / Serum_Albumin) - 0.14
Default Result Unit: mcg/mL_Phenytoin
Allowable Result Units:

Variable: Phenytoin_Measured
LOINC: 3968-5 : mcg/mL : 35632-9 : mcg/mL : 14877-5 : mcmol/L
Default Unit: mcg/mL_Phenytoin
Allowable Units: mcg/mL_Phenytoin

Variable: Serum_Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb

Online calculator: Phenytoin Total Drug Level (Adjusted for Hypoalbuminemia and Renal Function)
Source file: PhenytoinAlb.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes G40.919 Epilepsy, unspecified, intractable, without status epilepticus; G40.911 Epilepsy, unspecified, intractable, with status epilepticus; G40.909 Epilepsy, unspecified, not intractable, without status epilepticus; G40.901 Epilepsy, unspecified, not intractable, with status epilepticus
Associated ICD9-CM codes 345.90 Epilep nos w/o intr epil; 345.91 Epilepsy nos w intr epil

Equation: Phenytoin_Adjusted = Phenytoin_Measured /((Serum_Albumin * Renal_Fx ) + 0.1)
Default Result Unit: mcg/mL_Phenytoin
Allowable Result Units:

Variable: Phenytoin_Measured
LOINC: 3968-5 : mcg/mL : 35632-9 : mcg/mL : 14877-5 : mcmol/L
Default Unit: mcg/mL_Phenytoin
Allowable Units: mcg/mL_Phenytoin

Radio Button Variable: Renal_Fx
Discrete variable option: Adequate Renal Function Variable value: 0.2
Discrete variable option: Creat Clearance <10 mL/min Variable value: 0.1

Variable: Serum_Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb
Maximum value: 4.4 g/dL_Alb

Online calculator: Pneumonia Mortality in Nursing Home Patients by Logistic Regression
Source file: PneumoniaMortalityNH_LR.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes J12.89 Other viral pneumonia; J12.9 Viral pneumonia, unspecified; J11.00 Influenza due to unidentified influenza virus with unspecified type of pneumonia; J18.0 Bronchopneumonia, unspecified organism; J15.9 Unspecified bacterial pneumonia
Associated ICD9-CM codes 482.9 Bacterial pneumonia nos; 485 Bronchopneumonia org nos; 487.0 Influenza with pneumonia; 480.8 Viral pneumonia nec; 480.9 Viral pneumonia nos

Equation: Terms = (0.046 * BUN) + (0.052 * WBC) + (0.017 * Pulse) - (0.089 * BMI) + Abs_Lymph_Factor + Sex + Extensive_assistance_required_in_grooming + Extensive_assistance_required_in_toileting + Extensive_assistance_required_in_eating + Extensive_assistance_required_in_locomotion + Mood_deterioration - 4.53
Default Result Unit: logit
Allowable Result Units:

Equation: Mortality = 100 * eTo(Terms) / (1 + eTo(Terms))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 0.555

Variable: BUN
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: WBC
LOINC: 6690-2 : #/microL
Default Unit: x10(3)/microL
Allowable Units: x10(3)/microL

Variable: Absolute_Lymphocyte_Count
LOINC: 731-0 : x10^3/microL : 26474-7 : x10^3/microL : 732-8 : x10^3/microL
Default Unit: #/microL
Allowable Units: #/microL

Variable: Pulse
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min

Variable: BMI
LOINC: 39156-5 : kg/m^2 : 59576-9 : kg/m^2 : 89270-3 : kg/m^2
Default Unit: kg/m2_BMI
Allowable Units: kg/m2_BMI

Radio Button Variable: Mood_deterioration
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.97

Radio Button Variable: Extensive_assistance_required_in_grooming
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.31

Radio Button Variable: Extensive_assistance_required_in_toileting
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.31

Radio Button Variable: Extensive_assistance_required_in_eating
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.31

Radio Button Variable: Extensive_assistance_required_in_locomotion
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.31

Online calculator: Pneumonia Mortality Predictor In the Elderly
Source file: PneumoniaMortalityPred.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes J12.89 Other viral pneumonia; J12.9 Viral pneumonia, unspecified; J11.00 Influenza due to unidentified influenza virus with unspecified type of pneumonia; J18.0 Bronchopneumonia, unspecified organism; J15.9 Unspecified bacterial pneumonia
Associated ICD9-CM codes 482.9 Bacterial pneumonia nos; 485 Bronchopneumonia org nos; 487.0 Influenza with pneumonia; 480.8 Viral pneumonia nec; 480.9 Viral pneumonia nos

Equation: Mortality_Risk = Ventilatory_Rate_Factor + Diastolic_Blood_Pressure_Factor + Mental_Confusion
Default Result Unit: score
Allowable Result Units:

Variable: Respiratory_Rate
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min
Maximum value: 100 breaths/min

Variable: Diastolic_Blood_Pressure
LOINC: 8462-4 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Maximum value: 300 mmHg

Radio Button Variable: Mental_Confusion
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: Pneumothorax Degree of Collapse
Source file: PneumoThorax.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes S21.309A Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter; S27.0XXA Traumatic pneumothorax, initial encounter; J93.0 Spontaneous tension pneumothorax; J95.811 Postprocedural pneumothorax
Associated ICD9-CM codes 512.1 Iatrogenic pneumothorax; 512.8 Spont pneumothorax nec; 512.0 Spont tens pneumothorax; 860.0 Traum pneumothorax-close; 860.1 Traum pneumothorax-open

Equation: Percent_Pneumo = 100 * (1 - (power(Lung_Diameter,3) / power(Hemithorax_Diameter,3)))
Default Result Unit: %
Allowable Result Units:

Variable: Lung_Diameter
Default Unit: cm
Allowable Units: cm

Variable: Hemithorax_Diameter
Default Unit: cm
Allowable Units: cm

Online calculator: Positive Predictive Value from Raw Data
Source file: PosPredValueData.eq
EBMcalc Version: 8.8

Equation: Pos_Pred_Value = 100 * True_Pos / (True_Pos + False_Pos)
Default Result Unit: %
Allowable Result Units:

Variable: True_Pos
Default Unit: #
Allowable Units: #

Variable: False_Pos
Default Unit: #
Allowable Units: #

Online calculator: Positive Predictive Value of a Test
Source file: PosPredValue.eq
EBMcalc Version: 8.7

Equation: PPV = 100 * (Prevalence * Sensitivity) / (Prevalence * Sensitivity + ((1 - Prevalence) * (1 - Specificity)))
Default Result Unit: %
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction

Variable: Sensitivity
Default Unit: fraction
Allowable Units: fraction

Variable: Specificity
Default Unit: fraction
Allowable Units: fraction

Online calculator: POSSUM Score for Orthopedic Procedure Prognosis
Source file: POSSUMScore.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes Z01.811 Encounter for preprocedural respiratory examination; Z01.810 Encounter for preprocedural cardiovascular examination; Z01.818 Encounter for other preprocedural examination; Z01.812 Encounter for preprocedural laboratory examination
Associated ICD9-CM codes V72.84 Preop exam unspcf; V72.81 Preop cardiovsclr exam; V72.82 Preop respiratory exam

Equation: Physiologic_Score = Age_Factor + Cardiac + Respiratory + Systolic_Blood_Pressure_Factor + Pulse_Factor + GCS_Factor + BUN_Factor + Na_Factor + K_Factor + Hb_Factor + WBC_Factor + EKG
Default Result Unit: score
Allowable Result Units:

Equation: Operative_Score = Surgical_magnitude + Number_Proc + Blood_Loss_Factor + Peritoneal_Contamination + Malignancy + Surgical_Timing
Default Result Unit: score
Allowable Result Units:

Equation: Mortality_Odds = eTo((0.13 * Physiologic_Score) + (0.16 * Operative_Score) - 7.04)

Equation: Morbidity_Odds = eTo((0.16 * Physiologic_Score) + (0.19 * Operative_Score) - 5.91)

Equation: Mortality_Probability = 100 * Mortality_Odds / (1 + Mortality_Odds)
Default Result Unit: %
Allowable Result Units:

Equation: Morbidity_Probability = 100 * Morbidity_Odds / (1 + Morbidity_Odds)
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Cardiac
Discrete variable option: No cardiac failure Variable value: 1
Discrete variable option: On cardiac medications Variable value: 2
Discrete variable option: Edema, warfarin therapy or slight cardiomegaly on CXR Variable value: 4
Discrete variable option: Elevated central venous pressure or gross cardiomegaly on CXR Variable value: 8

Radio Button Variable: Respiratory
Discrete variable option: No dyspnea Variable value: 1
Discrete variable option: Dyspnea on exertion or mild COPD on CXR Variable value: 2
Discrete variable option: Dyspnea on modest exertion or moderate COPD on CXR Variable value: 4
Discrete variable option: Dyspnea at rest or consolidation or fibrosis on CXR Variable value: 8

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Pulse
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min

Variable: GCS
LOINC: 9269-2 : score : 35088-4 : score
Default Unit: score
Allowable Units: score

Variable: BUN
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Variable: K
LOINC: 2823-3 : mEq/L : 6298-4 : mEq/L
Default Unit: mEq/L_K
Allowable Units: mEq/L_K

Variable: Hb
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL

Variable: WBC
LOINC: 6690-2 : #/microL
Default Unit: x10(3)/microL
Allowable Units: x10(3)/microL

Radio Button Variable: EKG
Discrete variable option: Normal Variable value: 1
Discrete variable option: AFib 60-90 beats/min Variable value: 4
Discrete variable option: More significant changes Variable value: 8

Radio Button Variable: Surgical_magnitude
Discrete variable option: Minor Variable value: 1
Discrete variable option: Intermediate Variable value: 2
Discrete variable option: Major Variable value: 4
Discrete variable option: Major plus Variable value: 8

Radio Button Variable: Number_Proc
Discrete variable option: 1 Variable value: 1
Discrete variable option: 2 Variable value: 4
Discrete variable option: More than 2 Variable value: 8

Variable: Blood_Loss
Default Unit: mL
Allowable Units: mL

Radio Button Variable: Peritoneal_Contamination
Discrete variable option: None Variable value: 1
Discrete variable option: Minor Variable value: 2
Discrete variable option: Local pus Variable value: 4
Discrete variable option: Bowel content, blood, pus Variable value: 8

Radio Button Variable: Malignancy
Discrete variable option: None Variable value: 1
Discrete variable option: Local Variable value: 2
Discrete variable option: Nodes positive Variable value: 4
Discrete variable option: Distant metastasis Variable value: 8

Radio Button Variable: Surgical_Timing
Discrete variable option: Elective Variable value: 1
Discrete variable option: Urgent (<48 hrs) Variable value: 4
Discrete variable option: Emergent Variable value: 8

Online calculator: Post Test Odds from Pre Test Odds and Likelihood Ratio MultiCalc
Source file: PostTestOdds.eq
EBMcalc Version: 8.9

Equation: Pre_Test_Odds = Prevalence / (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Test_Odds = Pre_Test_Odds * LR
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Test_Prob = Post_Test_Odds / (1 + Post_Test_Odds)
Default Result Unit: fraction
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: LR
Default Unit: ratio
Allowable Units: ratio

Online calculator: Post Test Odds of a Negative from Raw Data
Source file: PostTestOddsNegData.eq
EBMcalc Version: 8.8

Equation: Prevalence = (True_Pos + False_Neg) / (True_Pos + True_Neg + False_Pos + False_Neg)
Default Result Unit: fraction
Allowable Result Units:

Equation: Sensitivity = True_Pos / (True_Pos + False_Neg)
Default Result Unit: fraction
Allowable Result Units:

Equation: Specificity = True_Neg / (True_Neg + False_Pos)
Default Result Unit: fraction
Allowable Result Units:

Equation: LR_Neg = (1-Sensitivity) / Specificity
Default Result Unit: ratio
Allowable Result Units:

Equation: Pre_Test_Odds = Prevalence / (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Test_Odds_Neg = Pre_Test_Odds * LR_Neg
Default Result Unit: ratio
Allowable Result Units:

Variable: True_Pos
Default Unit: #
Allowable Units: #

Variable: False_Pos
Default Unit: #
Allowable Units: #

Variable: True_Neg
Default Unit: #
Allowable Units: #

Variable: False_Neg
Default Unit: #
Allowable Units: #

Online calculator: Post Test Odds of a Negative Result from Sensitivity Specificity and Prevalence
Source file: PostTestOddsNegSS.eq
EBMcalc Version: 8.8

Equation: LR_Neg = (1-Sensitivity) / Specificity
Default Result Unit: ratio
Allowable Result Units:

Equation: Pre_Test_Odds = Prevalence / (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Test_Odds_Neg = Pre_Test_Odds * LR_Neg
Default Result Unit: ratio
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Sensitivity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Specificity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: Post Test Odds of a Positive from Raw Data
Source file: PostTestOddsPosData.eq
EBMcalc Version: 8.8

Equation: Prevalence = (True_Pos + False_Neg) / (True_Pos + True_Neg + False_Pos + False_Neg)
Default Result Unit: fraction
Allowable Result Units:

Equation: Sensitivity = True_Pos / (True_Pos + False_Neg)
Default Result Unit: fraction
Allowable Result Units:

Equation: Specificity = True_Neg / (True_Neg + False_Pos)
Default Result Unit: fraction
Allowable Result Units:

Equation: LR_Pos = Sensitivity / (1-Specificity)
Default Result Unit: ratio
Allowable Result Units:

Equation: Pre_Test_Odds = Prevalence / (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Test_Odds_Pos = Pre_Test_Odds * LR_Pos
Default Result Unit: ratio
Allowable Result Units:

Variable: True_Pos
Default Unit: #
Allowable Units: #

Variable: False_Pos
Default Unit: #
Allowable Units: #

Variable: True_Neg
Default Unit: #
Allowable Units: #

Variable: False_Neg
Default Unit: #
Allowable Units: #

Online calculator: Post Test Odds of a Positive Result from Sensitivity Specificity and Prevalence
Source file: PostTestOddsPosSS.eq
EBMcalc Version: 8.8

Equation: LR_Pos = Sensitivity / (1-Specificity)
Default Result Unit: ratio
Allowable Result Units:

Equation: Pre_Test_Odds = Prevalence / (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Test_Odds_Pos = Pre_Test_Odds * LR_Pos
Default Result Unit: ratio
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Sensitivity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Specificity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: Post Test Probability from Pre Test Probability, Sensitivity and Specificity
Source file: PostTestProb.eq
EBMcalc Version: 8.7

Equation: Post_Odds_Pos = (Pre_Test_Prob * Sensitivity) / ((1 - Pre_Test_Prob) * (1-Specificity))
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Test_Prob_Pos_Result = Post_Odds_Pos / (1 + Post_Odds_Pos)
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Odds_Neg = (Pre_Test_Prob * (1-Sensitivity)) / ((1-Pre_Test_Prob) * Specificity)
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Test_Prob_Neg_Result = Post_Odds_Neg / (1 + Post_Odds_Neg)
Default Result Unit: ratio
Allowable Result Units:

Variable: Pre_Test_Prob
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Sensitivity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Specificity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: Post-Test Probability from Likelihood Ratios and Multiple Test Results
Source file: PostTestProbMulti.eq
EBMcalc Version: 8.9

Equation: Pre_Test_Odds = Pre_Test_Prob / (1 - Pre_Test_Prob)
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Test_Odds = Overall_Odds
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Test_Prob = Post_Test_Odds / (1 + Post_Test_Odds)
Default Result Unit: fraction
Allowable Result Units:

Variable: Pre_Test_Prob
Default Unit: fraction
Allowable Units: fraction

Variable: Test_1_LR_Pos
Default Unit: ratio
Allowable Units: ratio

Variable: Test_1_LR_Neg
Default Unit: ratio
Allowable Units: ratio

Variable: Test_2_LR_Pos
Default Unit: ratio
Allowable Units: ratio

Variable: Test_2_LR_Neg
Default Unit: ratio
Allowable Units: ratio

Variable: Test_3_LR_Pos
Default Unit: ratio
Allowable Units: ratio

Variable: Test_3_LR_Neg
Default Unit: ratio
Allowable Units: ratio

Online calculator: Post-Test Probability from Sensitivity and Specificity of Multiple Test Results
Source file: PostTestProbMultiSS.eq
EBMcalc Version: 8.9

Equation: Pre_Test_Odds = Pre_Test_Prob / (100 - Pre_Test_Prob)
Default Result Unit: ratio
Allowable Result Units:

Equation: Test_1_LR_Pos = Test_1_Sens / (100 - Test_1_Spec)
Default Result Unit: ratio
Allowable Result Units:

Equation: Test_1_LR_Neg = (100 - Test_1_Sens) / (Test_1_Spec)
Default Result Unit: ratio
Allowable Result Units:

Equation: Test_2_LR_Pos = Test_2_Sens / (100 - Test_2_Spec)
Default Result Unit: ratio
Allowable Result Units:

Equation: Test_2_LR_Neg = (100 - Test_2_Sens) / (Test_2_Spec)
Default Result Unit: ratio
Allowable Result Units:

Equation: Test_3_LR_Pos = Test_3_Sens / (100 - Test_3_Spec)
Default Result Unit: ratio
Allowable Result Units:

Equation: Test_3_LR_Neg = (100 - Test_3_Sens) / (Test_3_Spec)
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Test_Odds = Overall_Odds
Default Result Unit: ratio
Allowable Result Units:

Equation: Post_Test_Prob = 100 * Post_Test_Odds / (1 + Post_Test_Odds)
Default Result Unit: %
Allowable Result Units:

Variable: Pre_Test_Prob
Default Unit: %
Allowable Units: %

Variable: Test_1_Sens
Default Unit: %
Allowable Units: %

Variable: Test_1_Spec
Default Unit: %
Allowable Units: %

Variable: Test_2_Sens
Default Unit: %
Allowable Units: %

Variable: Test_2_Spec
Default Unit: %
Allowable Units: %

Variable: Test_3_Sens
Default Unit: %
Allowable Units: %

Variable: Test_3_Spec
Default Unit: %
Allowable Units: %

Online calculator: Pre Test Odds from Prevalence
Source file: PreTestOddsP.eq
EBMcalc Version: 8.8

Equation: Pre_Test_Odds = Prevalence / (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: Pre Test Odds from Raw Data
Source file: PreTestOddsData.eq
EBMcalc Version: 8.8

Equation: Prevalence = (True_Pos + False_Neg) / (True_Pos + True_Neg + False_Pos + False_Neg)
Default Result Unit: fraction
Allowable Result Units:

Equation: Pre_Test_Odds = Prevalence / (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Variable: True_Pos
Default Unit: #
Allowable Units: #

Variable: False_Pos
Default Unit: #
Allowable Units: #

Variable: True_Neg
Default Unit: #
Allowable Units: #

Variable: False_Neg
Default Unit: #
Allowable Units: #

Online calculator: Predicted body weight and tidal volume in adults
Source file: PredictedBWTV.eq
EBMcalc Version: 23.1

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 45.5
Discrete variable option: Male Variable value: 50

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: in
Allowable Units: in
Minimum value: 48 in
Maximum value: 84 in

Equation: Predicted_body_weight = Sex + (2.3 * (Height - 60))
Default Result Unit: kg
Allowable Result Units:

Equation: TV4 = fixDP(Predicted_body_weight * 4, 0)
Default Result Unit: mL
Allowable Result Units:

Equation: TV5 = fixDP(Predicted_body_weight * 5, 0)
Default Result Unit: mL
Allowable Result Units:

Equation: TV6 = fixDP(Predicted_body_weight * 6, 0)
Default Result Unit: mL
Allowable Result Units:

Equation: TV7 = fixDP(Predicted_body_weight * 7, 0)
Default Result Unit: mL
Allowable Result Units:

Equation: TV8 = fixDP(Predicted_body_weight * 8, 0)
Default Result Unit: mL
Allowable Result Units:

Online calculator: Predicted postoperative FEV1 following lung resection surgery (anatomic method)
Source file: PostOpFEV1AnatomicMeth.eq
EBMcalc Version: 14.1
Associated ICD10-CM codes J85.1 Abscess of lung with pneumonia; J85.0 Gangrene and necrosis of lung; D02.20 Carcinoma in situ of unspecified bronchus and lung; J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 231.2 Ca in situ bronchus/lung; 513.0 Abscess of lung; 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: PPO_FEV1 = Preop_FEV1 * (1 - Y/Z)
Default Result Unit: L
Allowable Result Units:

Variable: Preop_FEV1
Default Unit: L
Allowable Units: L

Variable: Y
Default Unit: number
Allowable Units: number

Variable: Z
Default Unit: number
Allowable Units: number

Online calculator: Predicted postoperative FEV1 following lung resection surgery (perfusion method)
Source file: PostOpFEV1PerfMeth.eq
EBMcalc Version: 14.1
Associated ICD10-CM codes J85.1 Abscess of lung with pneumonia; J85.0 Gangrene and necrosis of lung; D02.20 Carcinoma in situ of unspecified bronchus and lung; J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 231.2 Ca in situ bronchus/lung; 513.0 Abscess of lung; 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: PPO_FEV1 = Preop_FEV1 * (1 - FractTotPerf)
Default Result Unit: L
Allowable Result Units:

Variable: Preop_FEV1
Default Unit: L
Allowable Units: L

Variable: FractTotPerf
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: Pregnancy Gestation by LMP and Ultrasound Biometry
Source file: GestationDate.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes O99.89 Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium; O26.90 Pregnancy related conditions, unspecified, unspecified trimester; Z33.1 Pregnant state, incidental; O09.00 Supervision of pregnancy with history of infertility, unspecified trimester; O09.291 Supervision of pregnancy with other poor reproductive or obstetric history, first trimester; O48.1 Prolonged pregnancy
Associated ICD9-CM codes 645.20 Prolonged preg-unsp; 645.21 Prolonged preg-del; 645.23 Prolonged preg-antepar; V23.5 Preg w poor reproduct hx; V23.49 Preg w poor obs hx nec; V23.0 Preg w hx of infertility; V22.2 Preg state, incidental; V72.4 Preg exam-preg unconfirm; 646.90 Preg compl nos-unspec; 646.93 Preg compl nos-antepart; 633.01 Abd preg w intraut preg

Variable: Crown_Rump_Length
Default Unit: mm
Allowable Units: mm
Maximum value: 100 mm

Variable: Biparietal_Diameter
Default Unit: mm
Allowable Units: mm

Variable: Head_Circumference
LOINC: 9843-4 : cm : 8287-5 : cm : 8288-3 : cm : 8290-9 : cm : 8291-7 : cm
Default Unit: mm
Allowable Units: mm
Minimum value: 80 mm
Maximum value: 330 mm

Online calculator: Pressure Adjusted Heart Rate (For MODS calculation)
Source file: PressureAdjHR.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes R00.0 Tachycardia, unspecified; I10 Essential (primary) hypertension; R00.1 Bradycardia, unspecified
Associated ICD9-CM codes 785.0 Tachycardia nos; 401.1 Benign hypertension

Equation: P_Adj_HR = HR * CVP / MAP

Variable: HR
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: bpm
Allowable Units: bpm

Variable: CVP
LOINC: 60985-9 : mmHg : 8591-0 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: MAP
LOINC: 8478-0 : mmHg : 8458-2 : mmHg : 76214-6 : mmHg : 75996-9 : mmHg : 76536-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: Prevalence of a Finding or Disease from Test Data
Source file: PrevalenceTest.eq
EBMcalc Version: 8.8

Equation: Prevalence = (True_Pos + False_Neg) / (True_Pos + True_Neg + False_Pos + False_Neg)
Default Result Unit: fraction
Allowable Result Units:

Variable: True_Pos
Default Unit: #
Allowable Units: #

Variable: False_Pos
Default Unit: #
Allowable Units: #

Variable: True_Neg
Default Unit: #
Allowable Units: #

Variable: False_Neg
Default Unit: #
Allowable Units: #

Online calculator: Probability from Odds
Source file: ProbOdds.eq
EBMcalc Version: 8.7

Equation: Probability = Odds / (1 + Odds)
Default Result Unit: fraction
Allowable Result Units:

Variable: Odds
Default Unit: ratio
Allowable Units: ratio

Online calculator: Probability of heart failure with preserved ejection fraction (H₂FPEF score) in adults with dyspnea
Source file: H2FPEF_Score.eq
EBMcalc Version: 23.2

Equation: Score = Heavy + HTN + AFib + PHTN + Elder + Filling
Default Result Unit: points
Allowable Result Units:

Online calculator: Protein Bound Calcium
Source file: ProteinBoundCalcium.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E83.42 Hypomagnesemia; E83.51 Hypocalcemia
Associated ICD9-CM codes 775.4 Hypocalcem/hypomagnes nb; 275.41 Hypocalcemia

Equation: Protein_Bound_Calcium = (Albumin * 8) + (Globulin *2) + 3
Default Result Unit: %
Allowable Result Units:

Variable: Albumin
LOINC: 1751-7 : g/dL
Default Unit: g/dL_Alb
Allowable Units: g/dL_Alb

Variable: Globulin
LOINC: 2336-6 : g/dL : 13536-8 : g/dL : 12217-6 : g/L
Default Unit: g/dL_Globulin
Allowable Units: g/dL_Globulin

Online calculator: Protein Catabolic Rate (normalized PCR)
Source file: ProteinCatabolicRateN.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes Z49.31 Encounter for adequacy testing for hemodialysis
Associated ICD9-CM codes V56.8 Dialysis encounter, nec; V56.31 Hemodialysis testing; V56.32 Peritoneal dialysis test; V56.0 Renal dialysis encounter; V45.1 Renal dialysis status; E879.9 Abn react-renal dialysis

Equation: nPCR_Anuric = 0.22 + (0.864 * ID_BUN_Rise / ID_Hours)
Default Result Unit: g/kg/day
Allowable Result Units:

Equation: nPCR_Total = nPCR_Anuric + ((Urine_Urea_Nitrogen * 150) / (ID_Hours * Weight))
Default Result Unit: g/kg/day
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: ID_Hours
Default Unit: hr
Allowable Units: hr

Variable: ID_BUN_Rise
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: Urine_Urea_Nitrogen
Default Unit: g_BUN
Allowable Units: g_BUN

Online calculator: Protein Catabolic Rate
Source file: ProteinCatabolicRate.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes Z49.31 Encounter for adequacy testing for hemodialysis
Associated ICD9-CM codes V56.8 Dialysis encounter, nec; V56.31 Hemodialysis testing; V56.32 Peritoneal dialysis test; V56.0 Renal dialysis encounter; V45.1 Renal dialysis status; E879.9 Abn react-renal dialysis

Equation: Kt_V = -ln((BUN_Post / BUN_Pre) - (0.008 * Hours)) + ((4 - (3.5 * BUN_Post / BUN_Pre)) * UF_Vol / Weight_Post)

Equation: PCR = ( 0.0076 * Kt_V * (BUN_Pre + BUN_Post)) + 0.17
Default Result Unit: g/kg/day
Allowable Result Units:

Variable: BUN_Pre
LOINC: 11065-0 : mg/dL
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: BUN_Post
LOINC: 11064-3 : mg/dL
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: Hours
Default Unit: hr
Allowable Units: hr

Variable: UF_Vol
Default Unit: L
Allowable Units: L

Variable: Weight_Post
Default Unit: kg
Allowable Units: kg

Online calculator: Pulmonary Embolism Risk by Pisa Study (with chest x-ray)
Source file: PulmonaryEmbRiskPisaCXR.cc
EBMcalc Version: 8.9
Associated ICD10-CM codes O88.813 Other embolism in pregnancy, third trimester; O88.812 Other embolism in pregnancy, second trimester; O88.811 Other embolism in pregnancy, first trimester; O88.83 Other embolism in the puerperium; I26.99 Other pulmonary embolism without acute cor pulmonale
Associated ICD9-CM codes 673.82 Pulm embol nec-del w p/p; 673.23 Pulm embol nos-antepart; 673.22 Pulm embol nos-del w p/p; 673.21 Pulm embol nos-delivered; 673.24 Pulm embol nos-postpart; 415.19 Pulm embol/infarct nec; 673.83 Pulmon embol nec-antepar; 673.81 Pulmon embol nec-deliver; 673.84 Pulmon embol nec-postpar

Equation: Factor_Sum = Age_Range + Sex + Clinical_And_Xray_Factors
Default Result Unit: #
Allowable Result Units:

Equation: Risk = 100 / (1 + eTo(3.26 - Factor_Sum))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Age_Range
Discrete variable option: <63 Variable value: 0
Discrete variable option: 63-72 Variable value: 0.59
Discrete variable option: ≥73 Variable value: 0.92

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 0.81

Online calculator: Pulmonary Embolism Risk by Pisa Study (without chest x-ray)
Source file: PulmonaryEmbRiskPisa.cc
EBMcalc Version: 8.9
Associated ICD10-CM codes O88.813 Other embolism in pregnancy, third trimester; O88.812 Other embolism in pregnancy, second trimester; O88.811 Other embolism in pregnancy, first trimester; O88.83 Other embolism in the puerperium; I26.99 Other pulmonary embolism without acute cor pulmonale
Associated ICD9-CM codes 673.82 Pulm embol nec-del w p/p; 673.23 Pulm embol nos-antepart; 673.22 Pulm embol nos-del w p/p; 673.21 Pulm embol nos-delivered; 673.24 Pulm embol nos-postpart; 415.19 Pulm embol/infarct nec; 673.83 Pulmon embol nec-antepar; 673.81 Pulmon embol nec-deliver; 673.84 Pulmon embol nec-postpar

Equation: Factor_Sum = Age_Range + Sex + Clinical_Factors
Default Result Unit: #
Allowable Result Units:

Equation: Risk = 100 / (1 + eTo(3.43 - Factor_Sum))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Age_Range
Discrete variable option: <57 Variable value: 0
Discrete variable option: 57-67 Variable value: 0.80
Discrete variable option: 68-74 Variable value: 0.87
Discrete variable option: ≥75 Variable value: 1.14

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 0.60

Online calculator: Pulmonary Vascular Resistance
Source file: PulmVascResist.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes I26.09 Other pulmonary embolism with acute cor pulmonale; I27.0 Primary pulmonary hypertension
Associated ICD9-CM codes 416.0 Prim pulm hypertension; 415.0 Acute cor pulmonale

Equation: PVR = 80 * ( Mean_Pulmonary_Artery_Pressure - Left_Atrial_Pressure) / Pulmonary_Flow
Default Result Unit: dynes-sec-cm^-5
Allowable Result Units:

Variable: Mean_Pulmonary_Artery_Pressure
Default Unit: mmHg
Allowable Units: mmHg

Variable: Left_Atrial_Pressure
Default Unit: mmHg
Allowable Units: mmHg

Variable: Pulmonary_Flow
Default Unit: L/min
Allowable Units: L/min

Online calculator: Pulse Pressure Variation (percentage)
Source file: PulsePressureVar.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes Z95.1 Presence of aortocoronary bypass graft; I10 Essential (primary) hypertension
Associated ICD9-CM codes V45.81 Aortocoronary bypass; 401.1 Benign hypertension

Equation: PPV = 100 * (P_Max - P_Min)/((P_Max + P_Min) / 2)
Default Result Unit: %
Allowable Result Units:

Variable: P_Max
Default Unit: mmHg
Allowable Units: mmHg

Variable: P_Min
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: QT Interval Correction (EKG, Bazett Equation)
Source file: QTIntervalCorrection.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes I45.81 Long QT syndrome
Associated ICD9-CM codes 426.82 Long qt syndrome

Equation: RR_Interval = 60 / Heart_Rate
Default Result Unit: s
Allowable Result Units:

Equation: QT_Interval_Corrected_Bazett = QT_Interval / sqr(RR_Interval)
LOINC of Result: 76635-2 : sec
Default Result Unit: s
Allowable Result Units:

Variable: QT_Interval
LOINC: 8634-8 : sec : 44975-1 : sec
Default Unit: s_QTI
Allowable Units: s_QTI

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: bpm
Allowable Units: bpm

Online calculator: QT Interval Correction (EKG, Multi-Equation)
Source file: QTIntervalCorrectionMulti.eq
EBMcalc Version: 23.3

Equation: Heart_Rate = Heart_rate
LOINC of Result: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Result Unit: bpm
Allowable Result Units:

Equation: RR_Interval = RR_interval
Default Result Unit: millisec_QTI
Allowable Result Units:

Equation: QT_Interval_Corrected_Bazett = QT_Interval / sqr(RR_interval/1000)
LOINC of Result: 76635-2 : sec
Default Result Unit: millisec_QTI
Allowable Result Units:

Equation: QT_Interval_Corrected_Fridericia = QT_Interval / power((RR_interval/1000), 1/3)
LOINC of Result: 76634-5 : sec
Default Result Unit: millisec_QTI
Allowable Result Units:

Equation: QT_Interval_Corrected_Framingham = QT_Interval + (0.154 * (1000 - RR_interval))
Default Result Unit: millisec_QTI
Allowable Result Units:

Equation: QT_Interval_Corrected_Hodges = QT_Interval + (1.75 * (Heart_rate - 60))
Default Result Unit: millisec_QTI
Allowable Result Units:

Variable: QT_Interval
LOINC: 8634-8 : sec : 44975-1 : sec
Default Unit: millisec_QTI
Allowable Units: millisec_QTI
Minimum value: 100 millisec_QTI
Maximum value: 1000 millisec_QTI

Variable: Heart_Rate_Measure
Default Unit: Heart rate (BPM)
Allowable Units: Heart rate (BPM)

Online calculator: QUICKI Formula for Insulin Resistance
Source file: QUICKI.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E11.9 Type 2 diabetes mellitus without complications; E88.9 Metabolic disorder, unspecified; E88.81 Metabolic syndrome
Associated ICD9-CM codes 250.00 Diabetes mellitus; 277.7 Dysmetabolic syndrome x; 277.8 Metabolism disorder nec; 277.9 Metabolism disorder nos

Equation: QUICKI = 1 / (log(Fasting_Insulin) + log(Fasting_Glu))

Variable: Fasting_Insulin
Default Unit: microIU/mL_Insulin
Allowable Units: microIU/mL_Insulin

Variable: Fasting_Glu
LOINC: 2345-7 : mg/dL : 2339-0 : mg/dL : 39480-9 : mmol/L : 32318-8 : mmol/L
Default Unit: mg/dL_Glu
Allowable Units: mg/dL_Glu

Online calculator: Renal Artery Stenosis Prediction Rule
Source file: RenalArteryStenosis.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes T81.711A Complication of renal artery following a procedure, not elsewhere classified, initial encounter; N28.0 Ischemia and infarction of kidney; I77.3 Arterial fibromuscular dysplasia; I70.1 Atherosclerosis of renal artery
Associated ICD9-CM codes 440.1 Renal artery atheroscler; 447.3 Renal artery hyperplasia; 593.81 Renal vascular disorder; 997.72 Vasc comp renal artery

Equation: Risk = 100 / (1 + eTo(-1 * (-7.033 + 0.0521 * Age + 0.0294 * (75 - Age) * Smoker - 0.877 * Sex + 0.515 * Atherosclerosis + 0.5647 * Recent_HTN - 0.904 * Obese + 1.4902 * Abdominal_Bruit + 0.4413 * High_Cholesterol + 2.51056 * Creatinine)))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 1

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Radio Button Variable: Smoker
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Atherosclerosis
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Recent_HTN
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Obese
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Abdominal_Bruit
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: High_Cholesterol
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: Renal Failure Index
Source file: RenalFailureIndex.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis; Y84.8 Other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: RFI = Urine_Na * Serum_Creat / Urine_Creat
Default Result Unit: index
Allowable Result Units:

Variable: Urine_Na
LOINC: 2955-3 : mEq/L : 35678-2 : mEq/L : 2955-3 : mmol/L : 35678-2 : mmol/L
Default Unit: mEq/L_UNa
Allowable Units: mEq/L_UNa

Variable: Urine_Creat
LOINC: 35674-1 : mg/dL : 2161-8 : mg/dL : 14683-7 : mmol/L : 22726-4
Default Unit: mg/dL_UCr
Allowable Units: mg/dL_UCr

Variable: Serum_Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Online calculator: Residual Renal Function in Hemodialysis Patients (Kru)
Source file: ResidualRenalFunction.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; N17.9 Acute kidney failure, unspecified; N17.8 Other acute kidney failure; N17.1 Acute kidney failure with acute cortical necrosis
Associated ICD9-CM codes 637.32 Ab nos w renal fail-comp; 637.31 Ab nos w renal fail-inc; 637.30 Ab nos w renal fail-unsp; E879.9 Abn react-renal dialysis; 584.6 Ac renal fail, cort necr; 584.8 Ac renal failure nec; 669.34 Ac renal failure-postpar; 584.9 Acute renal failure nos; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: Mean_BUN = (U1 + U2) / 2
Default Result Unit: mg/dL_BUN
Allowable Result Units:

Equation: RRF = ID_Urine_Vol * Urine_Urea_Conc / ID_Period / Mean_BUN
Default Result Unit: mL/min
Allowable Result Units:

Variable: ID_Urine_Vol
Default Unit: mL
Allowable Units: mL

Variable: Urine_Urea_Conc
Default Unit: mg/dL_UBUN
Allowable Units: mg/dL_UBUN

Variable: ID_Period
Default Unit: min
Allowable Units: min

Variable: U1
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: U2
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Online calculator: Residual Volume to Total Lung Capacity Ratio
Source file: ResidualVolTLCRatio.eq
EBMcalc Version: 8.8
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: Total_Lung_Cap = Insp_Reserve_Vol + Tidal_Vol + Exp_Reserve_Vol + Residual_Vol
Default Result Unit: L
Allowable Result Units:

Equation: RV_TLC_Ratio = 100 * Residual_Vol / Total_Lung_Cap
Default Result Unit: %
Allowable Result Units:

Variable: Exp_Reserve_Vol
Default Unit: L
Allowable Units: L

Variable: Residual_Vol
Default Unit: L
Allowable Units: L

Variable: Insp_Reserve_Vol
Default Unit: L
Allowable Units: L

Variable: Tidal_Vol
Default Unit: L
Allowable Units: L

Variable: Closing_Vol
Default Unit: L
Allowable Units: L

Online calculator: RESP Score for ECMO Survival Prediction
Source file: RESP.cc
EBMcalc Version: 20.1

Equation: RESP_Score = Age_Factor + PaCO2_Factor + Peak_Inspiratory_Pressure_Factor + Immunocomp + On_Ventilator_Prior_To_ECMO + Acute_Pulmonary_Disease + CNS + Non_Pulm_Infection + Neuromusc_Block + Nitric_Oxide + Bicarb_Use + Cardiac_Arrest
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr
Maximum value: 110 yr

Variable: PaCO2
LOINC: 2019-8 : mmHg : 34705-4 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Peak_Inspiratory_Pressure
Default Unit: cmH2O
Allowable Units: cmH2O

Radio Button Variable: On_Ventilator_Prior_To_ECMO
Discrete variable option: < 48 hours Variable value: 3
Discrete variable option: 48 hours to 7 days Variable value: 1
Discrete variable option: >7 days Variable value: 0

Radio Button Variable: Acute_Pulmonary_Disease
Discrete variable option: Viral or bacterial pneumonia Variable value: 3
Discrete variable option: Asthma Variable value: 11
Discrete variable option: Trauma/burn Variable value: 3
Discrete variable option: Aspiration pneumonia Variable value: 5
Discrete variable option: Other acute pulmonary disease Variable value: 1
Discrete variable option: Chronic pulmonary or nonpulmonary disease Variable value: 0

Online calculator: Respiratory Quotient
Source file: RespQuotient.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: R = VCO2 / VO2
Default Result Unit: ratio
Allowable Result Units:

Variable: VCO2~CO2Prod.eq~VCO2_param
Default Unit: mL/min
Allowable Units: mL/min

Variable: VO2~O2Consumption.eq~VO2_param
Default Unit: mL/min
Allowable Units: mL/min

Online calculator: Reticulocyte Production Index
Source file: ReticProdIndex.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes D59.9 Acquired hemolytic anemia, unspecified; D64.9 Anemia, unspecified; D64.89 Other specified anemias
Associated ICD9-CM codes 285.8 Anemia nec; 285.9 Anemia nos; 283.9 Acq hemolytic anemia nos

Equation: RPI = (Hct / 45) * Retic / Maturation
LOINC of Result: 31111-8 : %
Default Result Unit: %
Allowable Result Units:

Variable: Hct
LOINC: 4544-3 : % : 20570-8 : % : 31100-1 : % : 4545-0 : %
Default Unit: %
Allowable Units: %

Variable: Retic
LOINC: 4679-7 : %
Default Unit: %
Allowable Units: %

Online calculator: Revised Cardiac Risk Index for Non-AAA Vascular Surgery (Lee)
Source file: CardiacRiskIndexVascLee.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes Z01.810 Encounter for preprocedural cardiovascular examination; R09.89 Other specified symptoms and signs involving the circulatory and respiratory systems; R94.31 Abnormal electrocardiogram [ECG] [EKG]; R94.39 Abnormal result of other cardiovascular function study; R94.30 Abnormal result of cardiovascular function study, unspecified
Associated ICD9-CM codes 794.30 Abn cardiovasc study nos; 794.39 Abn cardiovasc study nec; 794.31 Abnorm electrocardiogram; 785.9 Cardiovas sys symp nec; V72.81 Preop cardiovsclr exam

Equation: Risk_Score = High_Risk_Surgery_Planned + CAD + CHF + CVA + Diabetes_and_on_insulin + Creatinine_Factor
Default Result Unit: points
Allowable Result Units:

Radio Button Variable: High_Risk_Surgery_Planned
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: CAD
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: CHF
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: CVA
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Diabetes_and_on_insulin
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Online calculator: Revised Cardiac Risk Index for Orthopedic Surgery (Lee)
Source file: CardiacRiskIndexOrthoLee.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes Z01.810 Encounter for preprocedural cardiovascular examination; R09.89 Other specified symptoms and signs involving the circulatory and respiratory systems; R94.31 Abnormal electrocardiogram [ECG] [EKG]; R94.39 Abnormal result of other cardiovascular function study; R94.30 Abnormal result of cardiovascular function study, unspecified
Associated ICD9-CM codes 794.30 Abn cardiovasc study nos; 794.39 Abn cardiovasc study nec; 794.31 Abnorm electrocardiogram; 785.9 Cardiovas sys symp nec; V72.81 Preop cardiovsclr exam

Equation: Risk_Score = High_Risk_Surgery_Planned + CAD + CHF + CVA + Diabetes_And_On_Insulin + Creatinine_Factor
Default Result Unit: points
Allowable Result Units:

Radio Button Variable: High_Risk_Surgery_Planned
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: CAD
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: CHF
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: CVA
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Diabetes_And_On_Insulin
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Online calculator: Rheumatoid arthritis Clinical Disease Activity Index (CDAI)
Source file: RheumatoidArthritisCDAI.cc
EBMcalc Version: 8.8

Equation: CDAI = SJC + TJC + PGA + EGA
LOINC of Result: 88982-4 : score : 75847-4 : score
Default Result Unit: score
Allowable Result Units:

Variable: PGA
Default Unit: #
Allowable Units: #
Maximum value: 10 #

Variable: EGA
Default Unit: #
Allowable Units: #
Maximum value: 10 #

Online calculator: Rheumatoid arthritis Disease Activity Score with C-reactive protein (DAS28-CRP)
Source file: RheumatoidArthritisDAS28_CRP.cc
EBMcalc Version: 16.4

Equation: DAS28_CRP = 0.96 + (0.56 * sqr(TJC)) + (0.28 * sqr(SJC)) + (0.36 * ln(CRP + 1)) + (0.014 * GH)
Default Result Unit: score
Allowable Result Units:

Variable: CRP
LOINC: 1988-5 : mg/L : 48421-2 : mg/L : 76485-2 : nmol/L
Default Unit: mg/L_CRP
Allowable Units: mg/L_CRP
Maximum value: 150 mg/L_CRP

Variable: GH
Default Unit: #
Allowable Units: #
Maximum value: 100 #

Online calculator: Rheumatoid arthritis Disease Activity Score with Erythrocyte Sedimentation Rate (DAS28-ESR)
Source file: RheumatoidArthritisDAS28_ESR.cc
EBMcalc Version: 8.8

Equation: DAS_28 = ( 0.56 * sqr(TJC)) + (0.28 * sqr(SJC)) + ( 0.7 * ln(ESR)) + (0.014 * GH)
Default Result Unit: score
Allowable Result Units:

Variable: ESR
LOINC: 30341-2 : mm/h : 4537-7 : mm/h : 4538-5 : mm/h
Default Unit: mm/hr
Allowable Units: mm/hr
Minimum value: 1 mm/hr
Maximum value: 200 mm/hr

Variable: GH
Default Unit: #
Allowable Units: #
Maximum value: 100 #

Online calculator: Rheumatoid arthritis Simplified Disease Activity Index (SDAI)
Source file: RheumatoidArthritisSDAI.cc
EBMcalc Version: 8.8

Equation: SDAI = SJC + TJC +PGA + EGA + CRP
Default Result Unit: score
Allowable Result Units:

Variable: CRP
LOINC: 1988-5 : mg/L : 48421-2 : mg/L : 76485-2 : nmol/L
Default Unit: mg/dL_CRP
Allowable Units: mg/dL_CRP
Minimum value: 0.1 mg/dL_CRP
Maximum value: 10 mg/dL_CRP

Variable: PGA
Default Unit: #
Allowable Units: #
Maximum value: 10 #

Variable: EGA
Default Unit: #
Allowable Units: #
Maximum value: 10 #

Online calculator: Right to Left Shunt Fraction Qs/Qt
Source file: Qs_Qt.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: pH2O = 47 * eTo((Temp - 37) / 18.4)
Default Result Unit: mmHg
Allowable Result Units:

Equation: pATM = 760 * eTo(- Altitude / 7000)
Default Result Unit: mmHg
Allowable Result Units:

Equation: pAO2 = pATM - pH2O - paCO2
Default Result Unit: mmHg
Allowable Result Units:

Equation: AaG = pAO2 - paO2
LOINC of Result: 19991-9 : mmHg : 53809-0 : mmHg
Default Result Unit: mmHg
Allowable Result Units:

Equation: Qs/Qt = 100 * ( 0.0031 * AaG) / ((0.0031 * AaG) + 5)
Default Result Unit: %
Allowable Result Units:

Variable: Temp
LOINC: 8329-5 : degC : 8310-5 : degC : 8331-1 : degC : 8332-9 : degC : 8333-7 : degC : 8328-7 : degC : 75539-7 : degC
Default Unit: degC
Allowable Units: degC
Default value: 37 degC

Variable: Altitude
Default Unit: m
Allowable Units: m

Variable: paCO2
LOINC: 2019-8 : mmHg : 34705-4 : mmHg
Default Unit: mmHg
Allowable Units: mmHg
Default value: 40 mmHg

Variable: paO2
LOINC: 11556-8 : mmHg : 2703-7 : mmHg : 19254-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: Right Ventricular Systolic Pressure (RVSP) in Tricuspid Regurgitation
Source file: RVSP.eq
EBMcalc Version: 23.1

Equation: RVSP = (Jugular_Venous_Distension / 1.3) + (4 * power(Tricuspid_Max_Regurgitant_Flow,2))
LOINC of Result: 8432-7 : mmHg : 82341-9 : mmHg
Default Result Unit: mmHg
Allowable Result Units:

Variable: Jugular_Venous_Distension
LOINC: 44965-2 : cm
Default Unit: cm
Allowable Units: cm

Variable: Tricuspid_Max_Regurgitant_Flow
LOINC: 79921-3 : m/sec : 20254-9 : m/sec : 18166-9 : m/sec
Default Unit: m/sec
Allowable Units: m/sec

Online calculator: Risk Increase / Number Needed to Harm Multicalc
Source file: RiskIncrease.eq
EBMcalc Version: 8.7

Equation: Abs_Risk_Increase = Exp_Event_Rate - Control_Event_Rate
Default Result Unit: fraction
Allowable Result Units:

Equation: Rel_Risk_Increase = Abs_Risk_Increase / Control_Event_Rate
Default Result Unit: fraction
Allowable Result Units:

Equation: NNH = 1 / Abs_Risk_Increase
Default Result Unit: #
Allowable Result Units:

Variable: Control_Event_Rate
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Exp_Event_Rate
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: Risk of Acquiring Diabetes Mellitus (7.5-year)
Source file: DiabetesRiskPrediction.cc
EBMcalc Version: 13.2
Associated ICD10-CM codes E10.9 Type 1 diabetes mellitus without complications; E11.9 Type 2 diabetes mellitus without complications
Associated ICD9-CM codes 250.00 Diabetes uncompl type ii; 250.01 Diabetes uncompl type i; 250.0 Diabetes mellitus uncomp; 250 Diabetes mellitus

Equation: BMI = (Weight/2.205) / power((Height/39.37), 2)
LOINC of Result: 39156-5 : kg/m^2 : 59576-9 : kg/m^2 : 89270-3 : kg/m^2
Default Result Unit: kg/m2_BMI
Allowable Result Units:

Equation: Terms = (0.028 * Age) + (0.661 * Sex) + (0.412 * MA) + (0.079 * FBS) + (0.018 * Systolic_Blood_Pressure) - (0.039 * HDL_Cholesterol) + (0.07 * BMI) + (0.481 * FMH_DM) - 13.415
Default Result Unit: logit
Allowable Result Units:

Equation: Risk_of_Diabetes = 100 / (1 + eTo(-1 * Terms))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: in
Allowable Units: in

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: lb
Allowable Units: lb

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 0

Radio Button Variable: MA
Discrete variable option: Mexican American Variable value: 1
Discrete variable option: Non-Hispanic white Variable value: 0

Radio Button Variable: FMH_DM
Discrete variable option: No family history of DM Variable value: 0
Discrete variable option: Positive family history of DM Variable value: 1

Variable: FBS
LOINC: 76629-5 : mmol/L : 1557-8 : mg/dL : 1556-0 : mg/dL : 41604-0 : mg/dL : 14770-2 : mmol/L : 77145-1 : mmol/L
Default Unit: mg/dL_Glu
Allowable Units: mg/dL_Glu

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: HDL_Cholesterol
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol

Online calculator: Risk of Paradoxical Embolism (RoPE) Score in Adults
Source file: RoPE.cc
EBMcalc Version: 18.4

Equation: RoPE_Score = Age_Factor + Hypertension + Diabetes + CVA + Smoker + Cortical_Infarct_On_Imaging
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr

Radio Button Variable: Hypertension
Discrete variable option: No Variable value: 1
Discrete variable option: Yes Variable value: 0

Radio Button Variable: Diabetes
Discrete variable option: No Variable value: 1
Discrete variable option: Yes Variable value: 0

Radio Button Variable: CVA
Discrete variable option: No Variable value: 1
Discrete variable option: Yes Variable value: 0

Radio Button Variable: Smoker
Discrete variable option: No Variable value: 1
Discrete variable option: Yes Variable value: 0

Radio Button Variable: Cortical_Infarct_On_Imaging
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Online calculator: Risk Reduction / Number Needed to Treat Multicalc
Source file: RiskReduc_MC.eq
EBMcalc Version: 8.7

Equation: Abs_Risk_Reduct = Control_Event_Rate - Exp_Event_Rate
Default Result Unit: fraction
Allowable Result Units:

Equation: Rel_Risk_Reduct = Abs_Risk_Reduct / Control_Event_Rate
Default Result Unit: fraction
Allowable Result Units:

Equation: NNT = 1 / Abs_Risk_Reduct
Default Result Unit: #
Allowable Result Units:

Variable: Control_Event_Rate
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Exp_Event_Rate
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: ROSE Score: Risk Stratification of Syncope in the Emergency Department
Source file: ROSE_Score.cc
EBMcalc Version: 22.1

Equation: ROSE_Score = BNP_Factor + HR_Factor + Fecal_Blood + Hb_Factor + Chest_Pain + Significant_EKG_Q_Wave + O2Sat_Factor
Default Result Unit: points
Allowable Result Units:

Variable: BNP
LOINC: 42637-9 : pg/mL : 30934-4 : pg/mL : 47092-2 : pmol/L
Default Unit: pg/mL_BNP
Allowable Units: pg/mL_BNP

Variable: Heart_Rate
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min

Radio Button Variable: Fecal_Blood
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: Hb
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL

Radio Button Variable: Chest_Pain
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: Significant_EKG_Q_Wave
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: O2Sat
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %

Online calculator: ROX Index (Respiratory rate--oxygenation)
Source file: ROX.eq
EBMcalc Version: 21.1

Equation: ROX_Index = O2Sat / (FIO2 / 100) / Respiratory_Rate
Default Result Unit: index
Allowable Result Units:

Variable: O2Sat
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Variable: FIO2
LOINC: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %
Default Unit: %_InspO2
Allowable Units: %_InspO2
Maximum value: 100 %_InspO2

Variable: Respiratory_Rate
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min

Online calculator: Sampson Equation for Low Density Lipoprotein (LDL-C)
Source file: SampsonLDL.eq
EBMcalc Version: 23.1

Equation: Non_HDL_Cholesterol = Total_Cholesterol - HDL_Cholesterol
LOINC of Result: 43396-1 : mg/dL : 70204-3 : mmol/L
Default Result Unit: mg/dL_NonHDL
Allowable Result Units:

Equation: LDL_Cholesterol = (Total_Cholesterol / 0.948) - (HDL_Cholesterol / 0.971) - ((Triglycerides / 8.56) + (Triglycerides * Non_HDL_Cholesterol / 2140) - (power(Triglycerides,2) / 16100)) - 9.44
LOINC of Result: 13457-7 : mg/dL : 18262-6 : mg/dL : 39469-2 : mmol/L
Default Result Unit: mg/dL_LDL
Allowable Result Units:

Variable: Total_Cholesterol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol

Variable: HDL_Cholesterol
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mg/dL_HDL
Allowable Units: mg/dL_HDL

Variable: Triglycerides
LOINC: 2571-8 : mg/dL : 3043-7 : mg/dL : 14927-8 : mmol/L : 70218-3 : mmol/L
Default Unit: mg/dL_Trig
Allowable Units: mg/dL_Trig
Maximum value: 800 mg/dL_Trig

Online calculator: SAPS II: Simplified Acute Physiology Score II
Source file: SAPS2.fhir
EBMcalc Version: 19.1
Associated ICD10-CM codes J96.90 Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia; J96.00 Acute respiratory failure, unspecified whether with hypoxia or hypercapnia; A41.9 Sepsis, unspecified organism; I50.9 Heart failure, unspecified; I50.9 Heart failure, unspecified; N19 Unspecified kidney failure
Associated ICD9-CM codes 584.9 Acute renal failure nos; 586 Renal failure nos; 428.9 Heart failure nos; 038.9 Septicemia nos; 518.81 Acute respiratry failure

Equation: SAPSII = Age_Factor + Temp_Factor + SBP_Factor + HR_Factor + (OnVent * pafi_Factor ) + UO_Factor + HCO3_Factor + Bili_Factor + Na_Factor + K_Factor + BUN_Factor + GCS_Factor + WBC_Factor + CDx + AdmitType
Default Result Unit: points
Allowable Result Units:

Equation: Logit = (0.0737 * SAPSII)+ (0.9971 * ln(SAPSII + 1)) -7.7631
Default Result Unit: logit
Allowable Result Units:

Equation: HMP = 100 * eTo(Logit) / (1 + eTo(Logit))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Maximum value: 120 yr

Variable: HR
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min

Variable: SBP
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Temp
LOINC: 8329-5 : degC : 8310-5 : degC : 8331-1 : degC : 8332-9 : degC : 8333-7 : degC : 8328-7 : degC : 75539-7 : degC
Default Unit: degC
Allowable Units: degC

Radio Button Variable: OnVent
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: pafi
Default Unit: mmHg/FIO2
Allowable Units: mmHg/FIO2

Variable: UO
Default Unit: mL/day
Allowable Units: mL/day

Variable: BUN
LOINC: 3094-0 : mg/dL : 6299-2 : mg/dL : 14937-7 : mmol/L : 59570-2 : mmol/L
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: WBC
LOINC: 6690-2 : #/microL
Default Unit: x10(3)/mcL
Allowable Units: x10(3)/mcL

Variable: K
LOINC: 2823-3 : mEq/L : 6298-4 : mEq/L
Default Unit: mmol/L_K
Allowable Units: mmol/L_K

Variable: Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mmol/L_Na
Allowable Units: mmol/L_Na

Variable: HCO3
LOINC: 2028-9 : mmol/L : 1959-6 : mEq/L : 1960-4 : mEq/L : 14627-4 : mEq/L : 1961-2 : mEq/L : 22735-5 : mEq/L : 1963-8 : mEq/L
Default Unit: mEq/L_HCO3
Allowable Units: mEq/L_HCO3

Variable: Bili
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili

Variable: GCS
LOINC: 9269-2 : score : 35088-4 : score
Default Unit: points
Allowable Units: points
Maximum value: 15 points

Radio Button Variable: CDx
Discrete variable option: No Variable value: 0
Discrete variable option: Metastatic cancer Variable value: 9
Discrete variable option: Hematologic malignancy Variable value: 10
Discrete variable option: AIDS Variable value: 17

Radio Button Variable: AdmitType
Discrete variable option: Scheduled surgery Variable value: 0
Discrete variable option: Medical Variable value: 6
Discrete variable option: Unscheduled surgery Variable value: 8

Online calculator: SARS Prognosis Predictor (basic parameters)
Source file: SARSProg.cc
EBMcalc Version: 8.9
Associated ICD10-CM codes J80 Acute respiratory distress syndrome
Associated ICD9-CM codes 769 Respiratory distress syn

Equation: SARS_Score = Age_Factor + Sex + Comorbidities
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 2

Radio Button Variable: Comorbidities
Discrete variable option: None Variable value: 0
Discrete variable option: One Variable value: 1
Discrete variable option: Two or more Variable value: 4

Online calculator: SAVE Score: Survival After Veno-Arterial ECMO
Source file: SAVE.cc
EBMcalc Version: 24.1

Equation: SAVE_Score = Age_Factor + Weight_Factor + Myocarditis + VTF + Tx + CHD + Liver + CNS + ARF + CRF + Intubation_Factor + PIP + Arrest + DBP + PP + HCO3 - 6
Default Result Unit: points
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 18 yr
Maximum value: 100 yr

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Hours_intubated_before_ECMO
Default Unit: hr
Allowable Units: hr

Online calculator: SCORTEN Prediction of Mortality in Toxic Epidermal Necrolysis
Source file: SCORTEN.cc
EBMcalc Version: 15.1
Associated ICD10-CM codes L51.2 Toxic epidermal necrolysis [Lyell]
Associated ICD9-CM codes 695.15 Toxic epiderm necrolysis

Equation: Logit = 1.237 * (R1 + R2 + R3 + R4 + R5 + R6 + R7) - 4.448
Default Result Unit: logit
Allowable Result Units:

Equation: Mortality = 100 * eTo(Logit) / (1 + eTo(Logit))
Default Result Unit: %
Allowable Result Units:

Online calculator: Sensitivity of a Test
Source file: Sensitivity.eq
EBMcalc Version: 8.7

Equation: Sens = 100 * True_positives / (True_positives + False_negatives)
Default Result Unit: %
Allowable Result Units:

Variable: True_positives
Default Unit: #
Allowable Units: #

Variable: False_negatives
Default Unit: #
Allowable Units: #

Online calculator: Sequential Organ Failure Assessment (Modified): mSOFA Score
Source file: MSOFA.cc
EBMcalc Version: 20.1
Associated ICD10-CM codes J96.90 Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia; J96.00 Acute respiratory failure, unspecified whether with hypoxia or hypercapnia; A41.9 Sepsis, unspecified organism; I50.9 Heart failure, unspecified; I50.9 Heart failure, unspecified; N19 Unspecified kidney failure
Associated ICD9-CM codes 584.9 Acute renal failure nos; 586 Renal failure nos; 428.9 Heart failure nos; 038.9 Septicemia nos; 518.81 Acute respiratry failure

Equation: SAFI = 100 * O2Sat / FIO2
Default Result Unit: ratio
Allowable Result Units:

Equation: mSOFA_Score = safi_Factor + Jaundice + Blood_Pressure + Glasgow_Coma_Score_Factor + Creatinine_Factor
LOINC of Result: 96792-7 : score
Default Result Unit: points
Allowable Result Units:

Variable: O2Sat
LOINC: 2708-6 : % : 2713-6 : % : 51733-4 : % : 59408-5 : %
Default Unit: %
Allowable Units: %
Maximum value: 100 %

Variable: FIO2
LOINC: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %
Default Unit: %_InspO2
Allowable Units: %_InspO2
Minimum value: 20 %_InspO2
Maximum value: 100 %_InspO2

Radio Button Variable: Jaundice
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 3

Radio Button Variable: Blood_Pressure
Discrete variable option: Hypotension absent Variable value: 0
Discrete variable option: Mean arterial pressure <70 mmHg Variable value: 1
Discrete variable option: On Dopamine ≤5 mcg/kg/min or any Dobutamine Variable value: 2
Discrete variable option: On Dopamine >5 mcg/kg/min, Epinephrine <=0.1 mcg/kg/min or Norepinephrine <=0.1 mcg/kg/min Variable value: 3
Discrete variable option: On Dopamine >15 mcg/kg/min or Epinephrine >0.1 mcg/kg/min or Norepinephrine >0.1 mcg/kg/min Variable value: 4

Variable: Glasgow_Coma_Score
LOINC: 9269-2 : score : 35088-4 : score
Default Unit: points
Allowable Units: points
Minimum value: 1 points
Maximum value: 15 points

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Online calculator: Sequential Organ Failure Assessment (Quick): qSOFA Score
Source file: QSOFA.cc
EBMcalc Version: 14.3
Associated ICD10-CM codes J96.90 Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia; J96.00 Acute respiratory failure, unspecified whether with hypoxia or hypercapnia; A41.9 Sepsis, unspecified organism; I50.9 Heart failure, unspecified; N19 Unspecified kidney failure; N17.9 Acute kidney failure, unspecified
Associated ICD9-CM codes 584.9 Acute renal failure nos; 586 Renal failure nos; 428.9 Heart failure nos; 038.9 Septicemia nos; 518.81 Acute respiratry failure

Equation: qSOFA_Score = gcs_p + rr_p + sysbp_p
LOINC of Result: 96791-9 : score
Default Result Unit: points
Allowable Result Units:

Variable: Glasgow_Coma_Score
LOINC: 9269-2 : score : 35088-4 : score
Default Unit: points
Allowable Units: points
Minimum value: 1 points
Maximum value: 15 points

Variable: Systolic_BP
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: Respiratory_Rate
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min

Online calculator: Sequential Organ Failure Assessment: SOFA Score
Source file: SOFA.fhir
EBMcalc Version: 14.3
Associated ICD10-CM codes J96.90 Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia; J96.00 Acute respiratory failure, unspecified whether with hypoxia or hypercapnia; A41.9 Sepsis, unspecified organism; I50.9 Heart failure, unspecified; N19 Unspecified kidney failure; N17.9 Acute kidney failure, unspecified
Associated ICD9-CM codes 584.9 Acute renal failure nos; 586 Renal failure nos; 428.9 Heart failure nos; 038.9 Septicemia nos; 518.81 Acute respiratry failure

Equation: pafi = 100 * PaO2 / FIO2
Default Result Unit: ratio
Allowable Result Units:

Equation: SOFA_Score = pafi_Factor + Platelets_Factor + Total_Bilirubin_Factor + Blood_Pressure + Glasgow_Coma_Score_Factor + Renal_Factor
LOINC of Result: 96790-1 : score
Default Result Unit: points
Allowable Result Units:

Variable: PaO2
LOINC: 11556-8 : mmHg : 2703-7 : mmHg : 19254-2 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: FIO2
LOINC: 3150-0 : % : 19993-5 : % : 19992-7 : % : 19994-3 : % : 19996-8 : % : 19995-0 : %
Default Unit: %_InspO2
Allowable Units: %_InspO2
Minimum value: 20 %_InspO2
Maximum value: 100 %_InspO2

Radio Button Variable: Ventilatory_Support
Discrete variable option: Yes Variable value: 1
Discrete variable option: No Variable value: 0

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10(3)/mcL
Allowable Units: x10(3)/mcL

Variable: Total_Bilirubin
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili

Radio Button Variable: Blood_Pressure
Discrete variable option: Hypotension absent Variable value: 0
Discrete variable option: Mean arterial pressure <70 mmHg Variable value: 1
Discrete variable option: On Dopamine ≤5 mcg/kg/min or any Dobutamine Variable value: 2
Discrete variable option: On Dopamine >5 mcg/kg/min, Epinephrine <=0.1 mcg/kg/min or Norepinephrine <=0.1 mcg/kg/min Variable value: 3
Discrete variable option: On Dopamine >15 mcg/kg/min or Epinephrine >0.1 mcg/kg/min or Norepinephrine >0.1 mcg/kg/min Variable value: 4

Variable: Glasgow_Coma_Score
LOINC: 9269-2 : score : 35088-4 : score
Default Unit: points
Allowable Units: points
Minimum value: 1 points
Maximum value: 15 points

Variable: Creatinine
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Urine_Output
LOINC: 3167-4 : mL/day : 9192-6 : mL/day
Default Unit: mL/day
Allowable Units: mL/day
Maximum value: 100000 mL/day

Online calculator: Serum Sodium Concentration Change Considering Infused and Excreted Cations
Source file: SerumSodiumConcChange.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E87.1 Hypo-osmolality and hyponatremia; E87.0 Hyperosmolality and hypernatremia
Associated ICD9-CM codes 276.1 Hyponatremia; 276.0 Hypernatremia

Equation: TBW = Sex * Weight
Default Result Unit: L
Allowable Result Units:

Equation: Vol_Delta = Vol_Infusate - Vol_Urine
Default Result Unit: L
Allowable Result Units:

Equation: Na_Change = ((Vol_Infusate * (Na_Infusate + K_Infusate)) - (Vol_Urine * (Na_Urine + K_Urine)) - (Vol_Delta * Na_Serum)) / (TBW + Vol_Delta)
Default Result Unit: mEq/L_Na
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.5
Discrete variable option: Male Variable value: 0.6

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Vol_Infusate
Default Unit: L
Allowable Units: L

Variable: Vol_Urine
Default Unit: L
Allowable Units: L

Variable: Na_Infusate
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Variable: Na_Serum
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Variable: Na_Urine
LOINC: 2955-3 : mEq/L : 35678-2 : mEq/L : 2955-3 : mmol/L : 35678-2 : mmol/L
Default Unit: mEq/L_UNa
Allowable Units: mEq/L_UNa

Variable: K_Infusate
Default Unit: mEq/L_K
Allowable Units: mEq/L_K

Variable: K_Urine
Default Unit: mEq/L_UK
Allowable Units: mEq/L_UK

Online calculator: SIRS Criteria: Systemic Inflammatory Response Syndrome
Source file: SIRS.fhir
EBMcalc Version: 19.1
Associated ICD10-CM codes J96.90 Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia; J96.00 Acute respiratory failure, unspecified whether with hypoxia or hypercapnia; A41.9 Sepsis, unspecified organism; I50.9 Heart failure, unspecified; I50.9 Heart failure, unspecified; N19 Unspecified kidney failure
Associated ICD9-CM codes 584.9 Acute renal failure nos; 586 Renal failure nos; 428.9 Heart failure nos; 038.9 Septicemia nos; 518.81 Acute respiratry failure

Equation: SIRS_Score = Temp_Factor + Pulse_Factor + WBC_Factor + Resp_Factor
Default Result Unit: points
Allowable Result Units:

Variable: Temperature
LOINC: 8329-5 : degC : 8310-5 : degC : 8331-1 : degC : 8332-9 : degC : 8333-7 : degC : 8328-7 : degC : 75539-7 : degC
Default Unit: degC
Allowable Units: degC

Variable: Pulse
LOINC: 8867-4 : beats/min : 8893-0 : beats/min : 8890-6 : beats/min : 8889-8 : beats/min : 68999-2 : beats/min : 76282-3 : beats/min : 69000-8 : beats/min : 69001-6 : beats/min
Default Unit: beats/min
Allowable Units: beats/min

Variable: Respiratory_Rate
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min

Variable: PaCO2
LOINC: 2019-8 : mmHg : 34705-4 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Variable: WBC
LOINC: 6690-2 : #/microL
Default Unit: #/microL
Allowable Units: #/microL

Variable: WBC_Band_Percent
LOINC: 764-1 : % : 35332-6 : % : 26508-2 : %
Default Unit: %
Allowable Units: %

Online calculator: Sleep problems questionnaire
Source file: SleepProblems.cc
EBMcalc Version: 16.1

Equation: Total_score = FallingAsleep + WakeUp + StayingAsleep + FeelingTired
Default Result Unit: points
Allowable Result Units:

Online calculator: Sodium Change in Hyperproteinemia
Source file: SodiumProtein.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E87.1 Hypo-osmolality and hyponatremia; E87.8 Other disorders of electrolyte and fluid balance, not elsewhere classified
Associated ICD9-CM codes 276.1 Hyponatremia; 276.9 Electrolyt/fluid dis nec

Equation: Na_Change = (Serum_Protein - 8) * 0.25
Default Result Unit: mmol/L_Na
Allowable Result Units:

Variable: Serum_Protein
Default Unit: g/dL
Allowable Units: g/dL
Minimum value: 8 g/dL
Maximum value: 100 g/dL

Online calculator: Sodium Change in Hypertriglyceridemia
Source file: SodiumLipids.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E78.4 Other hyperlipidemia; E78.2 Mixed hyperlipidemia; E78.5 Hyperlipidemia, unspecified; E87.1 Hypo-osmolality and hyponatremia
Associated ICD9-CM codes 272.2 Mixed hyperlipidemia; 272.4 Hyperlipidemia nec/nos; 276.1 Hyponatremia; 276.9 Electrolyt/fluid dis nec

Equation: Na_Change = Triglycerides * 0.002
Default Result Unit: mEq/L_Na
Allowable Result Units:

Variable: Triglycerides
LOINC: 2571-8 : mg/dL : 3043-7 : mg/dL : 14927-8 : mmol/L : 70218-3 : mmol/L
Default Unit: mg/dL_Trig
Allowable Units: mg/dL_Trig

Online calculator: Sodium Concentration Correction for Hyperglycemia (Emmett 2013)(conventional or SI units)
Source file: SodiumHyperglycemiaEmmett.eq
EBMcalc Version: 8.7
Associated ICD9-CM codes 276.9 Electrolyt/fluid dis nec

Equation: Na = Measured_Sodium + (2 * (Serum_glucose - 100) / 100)
LOINC of Result: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Result Unit: mEq/L
Allowable Result Units:

Variable: Measured_Sodium
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na
Minimum value: 10 mEq/L_Na
Maximum value: 250 mEq/L_Na

Variable: Serum_glucose
Default Unit: mg/dL_Glu
Allowable Units: mg/dL_Glu
Minimum value: 40 mg/dL_Glu
Maximum value: 3000 mg/dL_Glu

Online calculator: Sodium Correction in Hyperglycemia (Hillier 1999)
Source file: SodiumHyperglycemiaHillier.eq
EBMcalc Version: 16.4
Associated ICD10-CM codes R73.9 Hyperglycemia, unspecified; E87.1 Hypo-osmolality and hyponatremia
Associated ICD9-CM codes 790.29 Oth abnormal glucose; 790.2 Abnormal glucose; 276.1 Hyponatremia; 276.9 Electrolyt/fluid dis nec

Equation: Corrected_Sodium = Measured_Sodium + 0.024 * (Glucose - 100)
Default Result Unit: mEq/L_Na
Allowable Result Units:

Variable: Measured_Sodium
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Variable: Glucose
LOINC: 2345-7 : mg/dL : 2339-0 : mg/dL : 39480-9 : mmol/L : 32318-8 : mmol/L
Default Unit: mg/dL_Glu
Allowable Units: mg/dL_Glu

Online calculator: Sodium Correction in Hyperglycemia (Katz 1973)
Source file: SodiumHyperglycemiaKatz.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes R73.9 Hyperglycemia, unspecified; E87.1 Hypo-osmolality and hyponatremia
Associated ICD9-CM codes 790.29 Oth abnormal glucose; 790.2 Abnormal glucose; 276.1 Hyponatremia; 276.9 Electrolyt/fluid dis nec

Equation: Corrected_Sodium = Measured_Sodium + 0.016 * (Glucose - 100)
Default Result Unit: mEq/L_Na
Allowable Result Units:

Variable: Measured_Sodium
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Variable: Glucose
LOINC: 2345-7 : mg/dL : 2339-0 : mg/dL : 39480-9 : mmol/L : 32318-8 : mmol/L
Default Unit: mg/dL_Glu
Allowable Units: mg/dL_Glu

Online calculator: Sodium Deficit in Hyponatremia
Source file: SodiumDeficit.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E87.1 Hypo-osmolality and hyponatremia
Associated ICD9-CM codes 276.1 Hyponatremia

Equation: Na_Deficit = Sex * Normal_Wgt * (Desired_Na - Serum_Na)
Default Result Unit: mEq_Na
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.5
Discrete variable option: Male Variable value: 0.6

Variable: Normal_Wgt
Default Unit: kg
Allowable Units: kg

Variable: Serum_Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Variable: Desired_Na
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na
Default value: 140 mEq/L_Na

Online calculator: Sokal Score for Chronic Myeloid Leukemia
Source file: Sokal.cc
EBMcalc Version: 11.2
Associated ICD10-CM codes C92.91 Myeloid leukemia, unspecified in remission; C92.92 Myeloid leukemia, unspecified in relapse; C92.10 Chronic myeloid leukemia, BCR/ABL-positive, not having achieved remission; C92.11 Chronic myeloid leukemia, BCR/ABL-positive, in remission; C92.12 Chronic myeloid leukemia, BCR/ABL-positive, in relapse; C95.11 Chronic leukemia of unspecified cell type, in remission; C95.12 Chronic leukemia of unspecified cell type, in relapse; C95.10 Chronic leukemia of unspecified cell type not having achieved remission
Associated ICD9-CM codes 205.1 Chronic myeloid leukemia; 208.1 Chronic leukemia nos

Equation: Sokal_Score = eTo(0.0116 * (Age - 43.4)+ 0.0345* (Spleen_Below_Coastal_Margin - 7.51) + 0.188 * (power((Platelets / 700),2) - 0.563) + 0.0887 *(Blast_Percent - 2.1))

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Spleen_Below_Coastal_Margin
Default Unit: cm
Allowable Units: cm

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10(3)/microL
Allowable Units: x10(3)/microL

Variable: Blast_Percent
LOINC: 21114-4 : % : 709-6 : %
Default Unit: %
Allowable Units: %

Online calculator: Solitary Pulmonary Nodule Malignancy Risk (Brock abbreviated model)
Source file: SolitaryPulmNod_ParsBrock.cc
EBMcalc Version: 13.4
Associated ICD10-CM codes R91.1 Solitary pulmonary nodule
Associated ICD9-CM codes 793.11 Solitary pulmonary nodul

Equation: Log_odds = Sex - (5.5537 * (power((Nodule_Size / 10), -0.5) - 1.58113883)) + Nodule_Upper_Lung + Spiculation - 6.6144

Equation: Cancer_Probability = 100 * (eTo(Log_odds) / (1 + eTo(Log_odds)))
Default Result Unit: %
Allowable Result Units:

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.6467
Discrete variable option: Male Variable value: 0

Variable: Nodule_Size
Default Unit: mm
Allowable Units: mm

Online calculator: Solitary Pulmonary Nodule Malignancy Risk (Brock University)
Source file: SolitaryPulmNod_Brock.cc
EBMcalc Version: 13.4

Equation: Log_odds = (0.0287 * (Age - 62)) + Sex + Family_History_Lung_Ca + Emphysema - (5.3854 * (power((Nodule_Size / 10), -0.5) - 1.58113883)) + Nodule_type + Nodule_Upper_Lung - (0.0824 * (Nodule_count - 4)) + Spiculation - 6.7892

Equation: Cancer_Probability = 100 * (eTo(Log_odds) / (1 + eTo(Log_odds)))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0.6011
Discrete variable option: Male Variable value: 0

Variable: Nodule_Size
Default Unit: mm
Allowable Units: mm

Radio Button Variable: Nodule_type
Discrete variable option: Nonsolid or ground-glass Variable value: -0.1276
Discrete variable option: Partially solid Variable value: 0.377
Discrete variable option: Solid Variable value: 0

Variable: Nodule_count
Default Unit: #
Allowable Units: #

Online calculator: Solitary Pulmonary Nodule Malignancy Risk (Cummings prediction model: Bayesian approach)
Source file: SolitaryPulmNod_Cummings.cc
EBMcalc Version: 13.4
Associated ICD10-CM codes R91.1 Solitary pulmonary nodule
Associated ICD9-CM codes 793.11 Solitary pulmonary nodul

Equation: Post_test_odds = 0.28 * Patient_age * Nodule_size * Edge_on_CXR * Tomographic_appearance * Edge_by_CT * Calcification_on_tomography * Calcification_on_CT * Growth_rate * Location * Max_cavity_wall_thickness * Smoking_history * Hemoptysis * Previous_malignancy

Equation: Cancer_probability = 100 * Post_test_odds / (1 + Post_test_odds)
Default Result Unit: %
Allowable Result Units:

Online calculator: Solitary Pulmonary Nodule Malignancy Risk (Mayo Clinic model)
Source file: SolitaryPulmNod.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes R91.1 Solitary pulmonary nodule
Associated ICD9-CM codes 793.11 Solitary pulmonary nodul

Equation: X = (0.0391 * Age) + (0.7917 * Smoker) + (1.3388 * Cancer) + (0.1274 * Nodule_Diameter) + (1.0407 * Spiculation) + (0.7838 * Upper_Lobe) - 6.8272

Equation: Malig_Probability = 100 * eTo(X) / ( 1 + eTo(X))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Smoker
Discrete variable option: Yes Variable value: 1
Discrete variable option: No Variable value: 0
Discrete variable option: Former Variable value: 1

Radio Button Variable: Cancer
Discrete variable option: Extrathoracic cancer more than 5 years prior Variable value: 1
Discrete variable option: None Variable value: 0

Variable: Nodule_Diameter
Default Unit: mm
Allowable Units: mm

Radio Button Variable: Spiculation
Discrete variable option: Yes Variable value: 1
Discrete variable option: No Variable value: 0

Radio Button Variable: Upper_Lobe
Discrete variable option: Yes Variable value: 1
Discrete variable option: No Variable value: 0

Online calculator: Solitary Pulmonary Nodule Malignancy Risk (Veterans Affairs model)
Source file: SolitaryPulmNod_VA.cc
EBMcalc Version: 11.2
Associated ICD10-CM codes R91.1 Solitary pulmonary nodule
Associated ICD9-CM codes 793.11 Solitary pulmonary nodul

Equation: X = (0.0779 * Age) + (2.061 * Smoker) - (0.0567 * Years_Quit_Smoking) + (0.112 * Nodule_Diameter) - 8.404

Equation: Malig_Probability = 100 * eTo(X) / ( 1 + eTo(X))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Smoker
Discrete variable option: Yes Variable value: 1
Discrete variable option: No Variable value: 0
Discrete variable option: Former Variable value: 1

Variable: Years_Quit_Smoking
Default Unit: yr
Allowable Units: yr

Variable: Nodule_Diameter
Default Unit: mm
Allowable Units: mm

Online calculator: Specificity of a Test
Source file: Specificity.eq
EBMcalc Version: 8.7

Equation: Spec = 100 * True_Negatives / (True_Negatives + False_Positives)
Default Result Unit: %
Allowable Result Units:

Variable: True_Negatives
Default Unit: #
Allowable Units: #

Variable: False_Positives
Default Unit: #
Allowable Units: #

Online calculator: Spinal Manipulation Success Prediction for Low Back Pain
Source file: SpinalManipSuccess.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes M54.89 Other dorsalgia; M54.9 Dorsalgia, unspecified; M54.5 Low back pain
Associated ICD9-CM codes 724 Back disorder nec & nos; 724.5 Backache nos; 724.9 Back disorder nos

Equation: Predictors = Duration + Hip_35_Degree_Rot + Lumbar_Hypomobility + (FABQ_Work > 19) + No_Distal_Symptoms
Default Result Unit: points
Allowable Result Units:

Radio Button Variable: Duration
Discrete variable option: <16 Days Variable value: 1
Discrete variable option: 16 or more days Variable value: 0

Radio Button Variable: Hip_35_Degree_Rot
Discrete variable option: Yes Variable value: 1
Discrete variable option: No Variable value: 0

Radio Button Variable: Lumbar_Hypomobility
Discrete variable option: Yes Variable value: 1
Discrete variable option: No Variable value: 0

Variable: FABQ_Work~FearAvoidWork.cc~FABQ_param
Default Unit: points
Allowable Units: points

Radio Button Variable: No_Distal_Symptoms
Discrete variable option: Yes Variable value: 1
Discrete variable option: No Variable value: 0

Online calculator: Splenic Marginal Zone Lymphoma Study Group (SMZLSG) Prognostic Index in Adults
Source file: SMZLSG_Index.cc
EBMcalc Version: 17.3

Equation: Prognostic_index = (0.2 * Hemoglobin) + (0.006 * Platelets) - LDH_score - LAD_score
Default Result Unit: index
Allowable Result Units:

Variable: Hemoglobin
LOINC: 718-7 : g/dL : 718-7 : gm/dL : 59260-0 : mmol/L
Default Unit: g/dL
Allowable Units: g/dL
Maximum value: 180 g/dL

Variable: Platelets
LOINC: 777-3 : x10^9/L : 26515-7 : x10(3)/mcL
Default Unit: x10^9/L
Allowable Units: x10^9/L
Maximum value: 1000 x10^9/L

Radio Button Variable: LDH_score
Discrete variable option: LDH normal Variable value: 0
Discrete variable option: LDH high Variable value: 1

Radio Button Variable: LAD_score
Discrete variable option: Extrahilar adenopathy absent Variable value: 0
Discrete variable option: Extrahilar adenopathy present Variable value: 1

Online calculator: Stool Osmolal Gap
Source file: StoolsOsmolality.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes R19.7 Diarrhea, unspecified
Associated ICD9-CM codes 787.91 Diarrhea

Equation: SOG = Stool_Osm - (2 * (Stool_Na + Stool_K))
Default Result Unit: mOsm/kg
Allowable Result Units:

Variable: Stool_Osm
LOINC: 2693-0 : mOsm/kg
Default Unit: mOsm/kg
Allowable Units: mOsm/kg

Variable: Stool_Na
LOINC: 15207-4 : mEq/L
Default Unit: mEq/L_SNa
Allowable Units: mEq/L_SNa

Variable: Stool_K
LOINC: 15202-5 : mmol/L : 25506-7 : mEq/L
Default Unit: mEq/L_SK
Allowable Units: mEq/L_SK

Online calculator: Stroke Risk in Diabetes Type 2 UKPDS 60
Source file: StrokeRiskDiabetes.cc
EBMcalc Version: 8.8
Associated ICD10-CM codes I67.9 Cerebrovascular disease, unspecified; I67.89 Other cerebrovascular disease; E11.9 Type 2 diabetes mellitus without complications; E10.9 Type 1 diabetes mellitus without complications; E10.65 Type 1 diabetes mellitus with hyperglycemia; E11.65 Type 2 diabetes mellitus with hyperglycemia
Associated ICD9-CM codes 437.9 Cerebrovasc disease nos; 437.8 Cerebrovasc disease nec; 250.00 Dmii wo cmp nt st uncntr; 250.01 Dmi wo cmp nt st uncntrl; 250.03 Dmi wo cmp uncntrld; 250.02 Dmii wo cmp uncntrld

Equation: Cholesterol_Ratio = Total_Cholesterol / HDL_Cholesterol

Equation: Logit = 0.00186 * power(1.092, (Age - 55)) * power(0.7, Sex) * power(1.547, Smoker) * power(8.554, AFib) * power(1.122, ((Systolic_Blood_Pressure - 135.5))/10) * power(1.138, (Cholesterol_Ratio - 5.11))

Equation: Risk = 100 * (1 - eTo( Logit * power(1.145, Duration_of_Diabetes) * (1 - power(1.145, Risk_Interval)) / 0.145))
Default Result Unit: %
Allowable Result Units:

Variable: Total_Cholesterol
LOINC: 2093-3 : mg/dL : 14647-2 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol

Variable: HDL_Cholesterol
LOINC: 2085-9 : mg/dL : 14646-4 : mmol/L
Default Unit: mg/dL_Chol
Allowable Units: mg/dL_Chol

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Systolic_Blood_Pressure
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 0

Radio Button Variable: Smoker
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Radio Button Variable: AFib
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: Duration_of_Diabetes
Default Unit: yr
Allowable Units: yr

Variable: Risk_Interval
Default Unit: yr
Allowable Units: yr

Online calculator: Stroke Risk in Female Patients 55-84 Years Old (Framingham data)
Source file: StrokeRiskFraminghamF.cc
EBMcalc Version: 8.9
Associated ICD10-CM codes E11.65 Type 2 diabetes mellitus with hyperglycemia; E10.65 Type 1 diabetes mellitus with hyperglycemia; E10.9 Type 1 diabetes mellitus without complications; E11.9 Type 2 diabetes mellitus without complications; I67.89 Other cerebrovascular disease; I67.9 Cerebrovascular disease, unspecified
Associated ICD9-CM codes 437.9 Cerebrovasc disease nos; 437.8 Cerebrovasc disease nec; 250.00 Dmii wo cmp nt st uncntr; 250.01 Dmi wo cmp nt st uncntrl; 250.03 Dmi wo cmp uncntrld; 250.02 Dmii wo cmp uncntrld

Equation: Risk_Factor_Diff = (Age * 0.0657) + (Sys_BP * 0.0197) - (Sys_BP * (HTN_Med > 0) * 0.0134) + HTN_Med + DM + Cig + CVD + AFib + LVH - 7.5766

Equation: Risk_During_Period = 100 * (1 - power(Risk_Period_Factor, eTo(Risk_Factor_Diff)))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 55 yr
Maximum value: 84 yr

Variable: Sys_BP
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: Stroke Risk in Male Patients 55-84 Years Old (Framingham data)
Source file: StrokeRiskFraminghamM.cc
EBMcalc Version: 8.9
Associated ICD10-CM codes E11.65 Type 2 diabetes mellitus with hyperglycemia; E10.65 Type 1 diabetes mellitus with hyperglycemia; E10.9 Type 1 diabetes mellitus without complications; E11.9 Type 2 diabetes mellitus without complications; I67.89 Other cerebrovascular disease; I67.9 Cerebrovascular disease, unspecified
Associated ICD9-CM codes 437.9 Cerebrovasc disease nos; 437.8 Cerebrovasc disease nec; 250.00 Dmii wo cmp nt st uncntr; 250.01 Dmi wo cmp nt st uncntrl; 250.03 Dmi wo cmp uncntrld; 250.02 Dmii wo cmp uncntrld

Equation: Risk_Factor_Diff = (Age * 0.0505) + (Sys_BP * 0.014) + HTN_Med + DM + Cig + CVD + AFib + LVH - 5.677

Equation: Risk_During_Period = 100 * (1 - power(Risk_Period_Factor, eTo(Risk_Factor_Diff)))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 55 yr
Maximum value: 84 yr

Variable: Sys_BP
LOINC: 8480-6 : mmHg
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: Survey Sample Size with Population Correction
Source file: SurveySampleSizeFinite.eq
EBMcalc Version: 8.7

Equation: Sample_Size = (power(Conf_Level, 2) * 0.25) / power((Conf_Interval / 100), 2)

Equation: Corrected_Sample_Size = Sample_Size / (1 + ((Sample_Size - 1) / Population))

Radio Button Variable: Conf_Level
Discrete variable option: 90% Variable value: 1.645
Discrete variable option: 95% Variable value: 1.96
Discrete variable option: 99% Variable value: 2.576

Variable: Conf_Interval
Default Unit: %
Allowable Units: %

Variable: Population
Default Unit: #
Allowable Units: #

Online calculator: Survey Sample Size
Source file: SurveySampleSize.eq
EBMcalc Version: 8.7

Equation: Sample_Size = (power(Conf_Level, 2) * 0.25) / power((Conf_Interval / 100), 2)

Radio Button Variable: Conf_Level
Discrete variable option: 90% Variable value: 1.645
Discrete variable option: 95% Variable value: 1.96
Discrete variable option: 99% Variable value: 2.576

Variable: Conf_Interval
Default Unit: %
Allowable Units: %

Online calculator: Systemic Vascular Resistance
Source file: SystemicVascRes.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z95.1 Presence of aortocoronary bypass graft; I10 Essential (primary) hypertension
Associated ICD9-CM codes V45.81 Aortocoronary bypass; 401.1 Benign hypertension

Equation: SVR = 80 * ( Mean_Aortic_Pressure - Right_Atrial_Pressure) / Systemic_Flow
Default Result Unit: dynes-sec-cm^-5
Allowable Result Units:

Variable: Mean_Aortic_Pressure
Default Unit: mmHg
Allowable Units: mmHg

Variable: Right_Atrial_Pressure
Default Unit: mmHg
Allowable Units: mmHg

Variable: Systemic_Flow
Default Unit: L/min
Allowable Units: L/min

Online calculator: Systolic Murmur Significance Probability
Source file: SystolicMurmur.cc
EBMcalc Version: 8.7
Associated ICD10-CM codes R01.1 Cardiac murmur, unspecified
Associated ICD9-CM codes 785.2 Cardiac murmurs nec

Equation: Probability = 100 * ( 1 / (1 + eTo(3.65 - (0.074 * Age) - (1.77 * Sex) - (1.61 * Grade))))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 1

Radio Button Variable: Grade
Discrete variable option: ≥3/6 Variable value: 1
Discrete variable option: <3/6 Variable value: 0

Online calculator: Systolic Pressure Variation (percentage)
Source file: SystolicPressureVar.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes Z95.1 Presence of aortocoronary bypass graft; I10 Essential (primary) hypertension
Associated ICD9-CM codes V45.81 Aortocoronary bypass; 401.1 Benign hypertension

Equation: SPV = 100 * (Sys_Max - Sys_Min)/((Sys_Max + Sys_Min) / 2)
Default Result Unit: %
Allowable Result Units:

Variable: Sys_Max
Default Unit: mmHg
Allowable Units: mmHg

Variable: Sys_Min
Default Unit: mmHg
Allowable Units: mmHg

Online calculator: Time Averaged Concentration of Urea in Hemodialysis
Source file: TimeAveragedConcUrea.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes Z49.31 Encounter for adequacy testing for hemodialysis; Z49.32 Encounter for adequacy testing for peritoneal dialysis
Associated ICD9-CM codes V56.8 Dialysis encounter, nec; V56.31 Hemodialysis testing; V56.0 Renal dialysis encounter; V45.1 Renal dialysis status

Equation: TAC_Urea = ( (HD_Time * (Pre_HD_BUN + Post_HD_BUN)) + (ID_Time * (Post_HD_BUN + Next_Pre_HD_BUN)) ) / (2 * (ID_Time + HD_Time))

Variable: HD_Time
Default Unit: hr
Allowable Units: hr
Default value: 4 hr

Variable: ID_Time
Default Unit: hr
Allowable Units: hr
Default value: 44 hr

Variable: Pre_HD_BUN
LOINC: 11065-0 : mg/dL
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: Post_HD_BUN
LOINC: 11064-3 : mg/dL
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: Next_Pre_HD_BUN
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Online calculator: TIPS Risk predictor / Survival predictor (Transjugular Intrahepatic Portosystemic Shunt)
Source file: TipsRisk.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes K70.30 Alcoholic cirrhosis of liver without ascites; K74.69 Other cirrhosis of liver; K74.60 Unspecified cirrhosis of liver; K74.0 Hepatic fibrosis; K76.6 Portal hypertension
Associated ICD9-CM codes 789.5 Ascites; 572.3 Portal hypertension; 571.5 Cirrhosis of liver nos; 571.2 Alcohol cirrhosis liver

Equation: Risk_Score = (0.957 * ln(Creat)) + (0.378 * ln(Bili)) + (1.12 * ln(INR)) + (0.643 * Cause)
Default Result Unit: score
Allowable Result Units:

Equation: Survival = power(Days, eTo(Risk_Score - 1.127))
Default Result Unit: ratio
Allowable Result Units:

Variable: Creat
LOINC: 2160-0 : mg/dL : 38483-4 : mg/dL : 14682-9 : mcmol/L : 22726-4 : mcmol/L : 59826-8 : mcmol/L
Default Unit: mg/dL_Cr
Allowable Units: mg/dL_Cr

Variable: Bili
LOINC: 1975-2 : mg/dL : 32303-0 : mmol/L : 59828-4 : mg/dL : 54363-7 : mcmol/L : 58941-6 : mg/dL
Default Unit: mg/dL_Bili
Allowable Units: mg/dL_Bili

Variable: INR
LOINC: 34714-6 : ratio : 6301-6 : ratio
Default Unit: ratio_INR
Allowable Units: ratio_INR

Radio Button Variable: Cause
Discrete variable option: Alcoholic or Cholestatic Variable value: 0
Discrete variable option: Viral or other liver disese Variable value: 1

Radio Button Variable: Days
Discrete variable option: 1 Variable value: 0.990
Discrete variable option: 7 Variable value: 0.966
Discrete variable option: 30 Variable value: 0.860
Discrete variable option: 90 Variable value: 0.707
Discrete variable option: 183 Variable value: 0.621
Discrete variable option: 365 Variable value: 0.551
Discrete variable option: 730 Variable value: 0.428

Online calculator: Total Body Water (BIA formula)
Source file: TBW_BEI.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E86.0 Dehydration
Associated ICD9-CM codes 276.51 Dehydration

Equation: TBW = (-0.07493713 * Age) - (1.01767992 * Sex) + (0.12703384 * Height) - (0.04012056 * Weight) + (0.57894981 * Diabetes) - (0.00067247 * Weight * Weight) - (0.0348146 * Age * Sex) + (0.11262857 * Sex * Weight) + (0.00104135 * Age * Weight) + (0.00186104 * Height * Weight)
Default Result Unit: L
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 0
Discrete variable option: Male Variable value: 1

Radio Button Variable: Diabetes
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 1

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Total Body Water Estimation Based on Weight Alone
Source file: TBW_58.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E86.0 Dehydration
Associated ICD9-CM codes 276.51 Dehydration

Equation: TBW = Weight * 0.58
Default Result Unit: L
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Total Body Water in Adult Females (Humes-Weyer formula)
Source file: TBW_W_Humes.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E86.0 Dehydration
Associated ICD9-CM codes 276.51 Dehydration

Equation: TBW=(0.344546 * Height) + (0.183809 * Weight) - 35.270121
Default Result Unit: L
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Total Body Water in Adult Females (Johansson formula)
Source file: TBW_W_Johansson.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E86.0 Dehydration
Associated ICD9-CM codes 276.51 Dehydration

Equation: TBW = (-0.0004 * Age) + (0.214 * Weight) + (0.294 * Height) - 29.994
Default Result Unit: L
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Total Body Water in Adult Females (Lee formula)
Source file: TBW_W_Lee.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E86.0 Dehydration
Associated ICD9-CM codes 276.51 Dehydration

Equation: TBW = (0.262513 * Height) + (0.232948 * Weight) - 26.6224
Default Result Unit: L
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Total Body Water in Adult Females (Watson formula)
Source file: TBW_W_Watson.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E86.0 Dehydration
Associated ICD9-CM codes 276.51 Dehydration

Equation: TBW = (0.1069 * Height) + (0.2466 * Weight) - 2.097
Default Result Unit: L
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Total Body Water in Adult Males (Humes-Weyer formula)
Source file: TBW_M_Humes.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E86.0 Dehydration
Associated ICD9-CM codes 276.51 Dehydration

Equation: TBW=(0.194786 * Height) + (0.296785 * Weight) - 14.012934
Default Result Unit: L
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Total Body Water in Adult Males (Johansson formula)
Source file: TBW_M_Johansson.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E86.0 Dehydration
Associated ICD9-CM codes 276.51 Dehydration

Equation: TBW = (-0.078 * Age) + (0.312 * Weight) + (0.192 * Height) - 10.759
Default Result Unit: L
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Total Body Water in Adult Males (Lee formula)
Source file: TBW_M_Lee.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E86.0 Dehydration
Associated ICD9-CM codes 276.51 Dehydration

Equation: TBW = (0.243057 * Height) + (0.366248 * Weight) - 28.3497
Default Result Unit: L
Allowable Result Units:

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Total Body Water in Adult Males (Watson formula)
Source file: TBW_M_Watson.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes E86.0 Dehydration
Associated ICD9-CM codes 276.51 Dehydration

Equation: TBW = 2.447 - (0.09156 * Age) + (0.1074 * Height) + (0.3362 * Weight)
Default Result Unit: L
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Total Daily Energy Requirement Estimate
Source file: TotalDailyEnergyReq.eq
EBMcalc Version: 8.7

Equation: TDER_Females = (655.1 + (9.563 * Weight) + (1.85 * Height) - (4.676 * Age)) * Activity * Injury
Default Result Unit: kcal/day
Allowable Result Units:

Equation: TDER_Males = (66.5 + (13.75 * Weight) + (5.003 * Height) - (6.775 * Age)) * Activity * Injury
Default Result Unit: kcal/day
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Radio Button Variable: Activity
Discrete variable option: Confined to bed Variable value: 1.2
Discrete variable option: Out of bed Variable value: 1.3

Radio Button Variable: Injury
Discrete variable option: No Injury or surgery Variable value: 1.0
Discrete variable option: Minor surgery Variable value: 1.05
Discrete variable option: Major surgery Variable value: 1.15
Discrete variable option: Mild infection Variable value: 1.1
Discrete variable option: Moderate infection Variable value: 1.3
Discrete variable option: Severe infection Variable value: 1.6
Discrete variable option: Skeletal trauma Variable value: 1.275
Discrete variable option: Head injury with steroid therapy Variable value: 1.6
Discrete variable option: Blunt trauma Variable value: 1.25
Discrete variable option: Burn: 20% Variable value: 1.25
Discrete variable option: Burn: 20-40% Variable value: 1.85
Discrete variable option: Burn >40% Variable value: 1.95

Online calculator: Total Lung Capacity
Source file: TotalLungCap.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: Total_Lung_Cap = Insp_Reserve_Vol + Tidal_Vol + Exp_Reserve_Vol + Residual_Vol
Default Result Unit: L
Allowable Result Units:

Variable: Insp_Reserve_Vol
Default Unit: L
Allowable Units: L

Variable: Tidal_Vol
Default Unit: L
Allowable Units: L

Variable: Exp_Reserve_Vol
Default Unit: L
Allowable Units: L

Variable: Residual_Vol
Default Unit: L
Allowable Units: L

Online calculator: Transferrin Receptor-Ferritin Index for Diagnosis of Iron deficiency Anemia
Source file: TransferrinReceptorIndex.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes D50.9 Iron deficiency anemia, unspecified; D50.8 Other iron deficiency anemias; D50.8 Other iron deficiency anemias; D64.9 Anemia, unspecified; D64.89 Other specified anemias
Associated ICD9-CM codes 285.8 Anemia nec; 285.9 Anemia nos; 280.1 Iron def anemia dietary; 280.8 Iron defic anemia nec; 280.9 Iron defic anemia nos

Equation: TR_Ferritin_Index = Transferrin_Receptor / log(Ferritin)
LOINC of Result: 74807-9 : index
Default Result Unit: index
Allowable Result Units:

Variable: Transferrin_Receptor
LOINC: 30248-9 : mg/L : 33210-6 : nmol/L
Default Unit: mg/L
Allowable Units: mg/L

Variable: Ferritin
LOINC: 2276-4 : ng/mL : 24373-3 : ng/mL : 20567-4 : ng/mL
Default Unit: mcg/L_Ferritin
Allowable Units: mcg/L_Ferritin

Online calculator: Transferrin Saturation
Source file: Transferrin.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes D50.9 Iron deficiency anemia, unspecified; D50.8 Other iron deficiency anemias; D50.8 Other iron deficiency anemias; D64.9 Anemia, unspecified; D64.89 Other specified anemias
Associated ICD9-CM codes 285.8 Anemia nec; 285.9 Anemia nos; 280.1 Iron def anemia dietary; 280.8 Iron defic anemia nec; 280.9 Iron defic anemia nos

Equation: Transferrin_Saturation = (Fe / TIBC) * 100
Default Result Unit: %
Allowable Result Units:

Variable: Fe
LOINC: 2498-4 : mcg/dL : 14798-3 : mcmol/L
Default Unit: mcg/dL_Fe
Allowable Units: mcg/dL_Fe

Variable: TIBC
LOINC: 2500-7 : mcg/dL : 14800-7 : mcmol/L
Default Unit: mcg/dL_TIBC
Allowable Units: mcg/dL_TIBC

Online calculator: Transtubular Potassium Gradient at CCD
Source file: TranstubularKGrad.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N25.9 Disorder resulting from impaired renal tubular function, unspecified; E87.8 Other disorders of electrolyte and fluid balance, not elsewhere classified
Associated ICD9-CM codes 255.1 Hyperaldosteronism; 276.9 Electrolyt/fluid dis nec; 753.3 Kidney anomaly nec; 585 Chronic renal failure; 588.8 Impaired renal funct nec; 588.9 Impaired renal funct nos

Equation: TTKG = (Urine_K / Serum_K) / (Urine_Osm / Serum_Osm)
Default Result Unit: #
Allowable Result Units:

Variable: Urine_K
LOINC: 2828-2 : mEq/L
Default Unit: mEq/L_K
Allowable Units: mEq/L_K

Variable: Serum_K
LOINC: 2823-3 : mEq/L : 6298-4 : mEq/L
Default Unit: mEq/L_K
Allowable Units: mEq/L_K

Variable: Urine_Osm
LOINC: 2695-5 : mOsm/kg
Default Unit: mOsm/kg
Allowable Units: mOsm/kg

Variable: Serum_Osm
LOINC: 2692-2 : mOsm/kg : 2696-3 : mOsm/kg
Default Unit: mOsm/kg
Allowable Units: mOsm/kg

Online calculator: Trial of labor after cesarean (TOLAC) for use at entry to prenatal care (2021 equation without race)
Source file: TOLAC_XRE.cc
EBMcalc Version: 22.4

Equation: Terms = (0.056 * Height) + Obstetric_History - ADPC - (0.023 * Age) - (0.024 * Weight) - On_Hypertension_Med - 5.952

Equation: Prob = 100 * eTo(Terms) / (1 + eTo(Terms))
Default Result Unit: %
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr
Minimum value: 15 yr
Maximum value: 50 yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 119 cm
Maximum value: 191 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 34 kg
Maximum value: 206 kg

Radio Button Variable: Obstetric_History
Discrete variable option: No previous vaginal deliveries Variable value: 0
Discrete variable option: Previous vaginal delivery before prior cesarean Variable value: 0.868
Discrete variable option: Previous VBAC Variable value: 1.869

Radio Button Variable: ADPC
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.597

Radio Button Variable: On_Hypertension_Med
Discrete variable option: No Variable value: 0
Discrete variable option: Yes Variable value: 0.966

Online calculator: True Negative Ratio from Specificity and Prevalence
Source file: TrueNegativeRatioSP.eq
EBMcalc Version: 8.8

Equation: True_Neg = Specificity * (1 - Prevalence)
Default Result Unit: ratio
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Specificity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: True Positive Ratio from Sensitivity and Prevalence
Source file: TruePositiveRatioSP.eq
EBMcalc Version: 8.8

Equation: True_Pos = Sensitivity * Prevalence
Default Result Unit: ratio
Allowable Result Units:

Variable: Prevalence
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Variable: Sensitivity
Default Unit: fraction
Allowable Units: fraction
Maximum value: 1 fraction

Online calculator: Urea Reduction Percentage in Hemodialysis (PRU)
Source file: UreaReducPercent.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z49.31 Encounter for adequacy testing for hemodialysis; Z49.31 Encounter for adequacy testing for hemodialysis
Associated ICD9-CM codes V56.0 Renal dialysis encounter; V45.1 Renal dialysis status; V56.32 Peritoneal dialysis test; V56.31 Hemodialysis testing; V56.8 Dialysis encounter, nec

Equation: PRU = 100 * (Urea_Pre_HD - Urea_Post_HD) / Urea_Pre_HD
Default Result Unit: %
Allowable Result Units:

Variable: Urea_Pre_HD
LOINC: 11065-0 : mg/dL
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: Urea_Post_HD
LOINC: 11064-3 : mg/dL
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Online calculator: Urea Reduction Ratio in Hemodialysis (URR)
Source file: UreaReductRatio.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes Z49.31 Encounter for adequacy testing for hemodialysis; Z49.31 Encounter for adequacy testing for hemodialysis
Associated ICD9-CM codes V56.0 Renal dialysis encounter; V45.1 Renal dialysis status; V56.32 Peritoneal dialysis test; V56.31 Hemodialysis testing; V56.8 Dialysis encounter, nec

Equation: URR = 100 * ( 1 - (Urea_Post_HD / Urea_Pre_HD))
Default Result Unit: %
Allowable Result Units:

Variable: Urea_Post_HD
LOINC: 11064-3 : mg/dL
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Variable: Urea_Pre_HD
LOINC: 11065-0 : mg/dL
Default Unit: mg/dL_BUN
Allowable Units: mg/dL_BUN

Online calculator: Urinary Protein Excretion Estimation
Source file: UrinaryProteinExcretion.eq
EBMcalc Version: 8.9
Associated ICD10-CM codes N08 Glomerular disorders in diseases classified elsewhere; Z87.441 Personal history of nephrotic syndrome; Z49.31 Encounter for adequacy testing for hemodialysis; Z49.31 Encounter for adequacy testing for hemodialysis
Associated ICD9-CM codes 581 Nephrotic syndrome; 581.81 Nephrotic syn in oth dis; V56.0 Renal dialysis encounter; V45.1 Renal dialysis status; V56.32 Peritoneal dialysis test; V56.31 Hemodialysis testing; V56.8 Dialysis encounter, nec

Equation: Protein_Excreted = Spot_Urine_Protein / Spot_Urine_Creat
Default Result Unit: g/day
Allowable Result Units:

Variable: Spot_Urine_Protein
Default Unit: mg/dL
Allowable Units: mg/dL

Variable: Spot_Urine_Creat
LOINC: 35674-1 : mg/dL : 2161-8 : mg/dL : 14683-7 : mmol/L : 22726-4
Default Unit: mg/dL_UCr
Allowable Units: mg/dL_UCr

Online calculator: Urine anion gap
Source file: UrineAnionGap.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E87.3 Alkalosis; E87.2 Acidosis; E87.8 Other disorders of electrolyte and fluid balance, not elsewhere classified
Associated ICD9-CM codes 276.9 Electrolyt/fluid dis nec; 276.2 Acidosis; 276.3 Alkalosis

Equation: Urine_AG = (Urine_Na + Urine_K) - Urine_Cl
LOINC of Result: 47561-6 : mEq/L
Default Result Unit: mEq/L
Allowable Result Units:

Variable: Urine_Na
LOINC: 2955-3 : mEq/L : 35678-2 : mEq/L : 2955-3 : mmol/L : 35678-2 : mmol/L
Default Unit: mEq/L_UNa
Allowable Units: mEq/L_UNa
Maximum value: 200 mEq/L_UNa

Variable: Urine_K
LOINC: 2828-2 : mEq/L
Default Unit: mEq/L_UK
Allowable Units: mEq/L_UK

Variable: Urine_Cl
LOINC: 2078-4 : mEq/L : 35676-6 : mEq/L
Default Unit: mEq/L_UCl
Allowable Units: mEq/L_UCl
Maximum value: 200 mEq/L_UCl

Online calculator: Urine osmolal gap (UOG) (SI units)
Source file: UOG_SI.eq
EBMcalc Version: 17.1

Equation: Urine_osmolal_gap = Measured_urine_osmolality - ((2 * (Urine_Na + Urine_K)) + Urine_urea_nitrogen + Urine_glucose)
Default Result Unit: mosm/kg
Allowable Result Units:

Variable: Measured_urine_osmolality
Default Unit: mosm/kg
Allowable Units: mosm/kg
Minimum value: 50 mosm/kg
Maximum value: 1200 mosm/kg

Variable: Urine_Na
LOINC: 2955-3 : mEq/L : 35678-2 : mEq/L : 2955-3 : mmol/L : 35678-2 : mmol/L
Default Unit: mmol/L_UNa
Allowable Units: mmol/L_UNa

Variable: Urine_K
LOINC: 2828-2 : mEq/L
Default Unit: mmol/L_UK
Allowable Units: mmol/L_UK

Variable: Urine_urea_nitrogen
Default Unit: mmol/L_UBUN
Allowable Units: mmol/L_UBUN
Minimum value: 35.7 mmol/L_UBUN
Maximum value: 1428 mmol/L_UBUN

Variable: Urine_glucose
Default Unit: mmol/L_UGlu
Allowable Units: mmol/L_UGlu

Online calculator: Urine osmolal gap (UOG)
Source file: UOG.eq
EBMcalc Version: 17.1

Equation: Urine_osmolal_gap = Measured_urine_osmolality - ((2 * (Urine_Na + Urine_K)) + (Urine_urea_nitrogen / 2.8) + (Urine_glucose / 18))
Default Result Unit: mosm/kg
Allowable Result Units:

Variable: Measured_urine_osmolality
Default Unit: mosm/kg
Allowable Units: mosm/kg
Minimum value: 50 mosm/kg
Maximum value: 1200 mosm/kg

Variable: Urine_Na
LOINC: 2955-3 : mEq/L : 35678-2 : mEq/L : 2955-3 : mmol/L : 35678-2 : mmol/L
Default Unit: mEq/L_UNa
Allowable Units: mEq/L_UNa

Variable: Urine_K
LOINC: 2828-2 : mEq/L
Default Unit: mEq/L_UK
Allowable Units: mEq/L_UK

Variable: Urine_urea_nitrogen
Default Unit: mg/dL_UBUN
Allowable Units: mg/dL_UBUN
Minimum value: 100 mg/dL_UBUN
Maximum value: 4000 mg/dL_UBUN

Variable: Urine_glucose
Default Unit: mg/dL_UGlu
Allowable Units: mg/dL_UGlu

Online calculator: Ventilation Index
Source file: VentIndex.eq
EBMcalc Version: 8.8
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: Vent_Index = (RR * (PIP - PEEP) * CO2) / 1000
Default Result Unit: index
Allowable Result Units:

Variable: RR
LOINC: 9303-9 : breaths/min : 9279-1 : breaths/min : 76170-0 : breaths/min : 19840-8 : breaths/min
Default Unit: breaths/min
Allowable Units: breaths/min

Variable: PIP
Default Unit: torr
Allowable Units: torr

Variable: PEEP
Default Unit: torr
Allowable Units: torr

Variable: CO2
LOINC: 2019-8 : mmHg : 34705-4 : mmHg
Default Unit: torr
Allowable Units: torr

Online calculator: Very Low Density Lipoprotein (VLDL)
Source file: VeryLowDensityLipoprotein.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E78.5 Hyperlipidemia, unspecified; E78.4 Other hyperlipidemia; E78.2 Mixed hyperlipidemia
Associated ICD9-CM codes 272.2 Mixed hyperlipidemia; 272.4 Hyperlipidemia nec/nos

Equation: VLDL = Triglycerides / 5
LOINC of Result: 13458-5 : mg/dL : 2091-7 : mg/dL
Default Result Unit: mg/dL_VLDL
Allowable Result Units:

Variable: Triglycerides
LOINC: 2571-8 : mg/dL : 3043-7 : mg/dL : 14927-8 : mmol/L : 70218-3 : mmol/L
Default Unit: mg/dL_Trig
Allowable Units: mg/dL_Trig

Online calculator: Veterans Affairs Frailty Index (VA-FI)
Source file: VAFI.cc
EBMcalc Version: 23.2

Equation: NumDef= Deficits
Default Result Unit: number
Allowable Result Units:

Equation: VAFI = NumDef / 31
Default Result Unit: index
Allowable Result Units:

Online calculator: Vital Capacity
Source file: VitalCapacity.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes J98.2 Interstitial emphysema; J43.9 Emphysema, unspecified; J98.3 Compensatory emphysema; J42 Unspecified chronic bronchitis; I27.9 Pulmonary heart disease, unspecified; I27.81 Cor pulmonale (chronic)
Associated ICD9-CM codes 518.82 Other pulmonary insuff; 416.9 Chr pulmon heart dis nos; 491.9 Chronic bronchitis nos; 518.2 Compensatory emphysema; 492.8 Emphysema nec; 518.1 Interstitial emphysema

Equation: Vital_Cap = Insp_Reserve_Vol + Tidal_Vol + Exp_Reserve_Vol
Default Result Unit: L
Allowable Result Units:

Variable: Insp_Reserve_Vol
Default Unit: L
Allowable Units: L

Variable: Tidal_Vol
Default Unit: L
Allowable Units: L

Variable: Exp_Reserve_Vol
Default Unit: L
Allowable Units: L

Online calculator: Volume of Distribution of Urea
Source file: VolumeDistUrea.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes N19 Unspecified kidney failure; N17.9 Acute kidney failure, unspecified; E87.8 Other disorders of electrolyte and fluid balance, not elsewhere classified
Associated ICD9-CM codes 276.9 Electrolyt/fluid dis nec; 584.9 Acute renal failure nos; 586 Renal failure nos

Equation: VDU_Females = (0.1069 * Height) + (0.2466 * Weight) - 2.097
Default Result Unit: L
Allowable Result Units:

Equation: VDU_Males = 2.447 - (0.09516 * Age) + (0.1074 * Height) + (0.3362 * Weight)
Default Result Unit: L
Allowable Result Units:

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: yr
Allowable Units: yr

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Online calculator: Waist to Hip Ratio
Source file: WaistToHipRatio.eq
EBMcalc Version: 10.3
Associated ICD10-CM codes Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories; E88.81 Metabolic syndrome; E88.9 Metabolic disorder, unspecified
Associated ICD9-CM codes 277.8 Metabolism disorder nec; 277.9 Metabolism disorder nos; 277.7 Dysmetabolic syndrome x; 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity

Equation: Waist_Hip_Ratio = Waist / Hip
Default Result Unit: ratio
Allowable Result Units:

Variable: Waist
Default Unit: in
Allowable Units: in

Variable: Hip
Default Unit: in
Allowable Units: in

Online calculator: Water Deficit in Hypernatremia
Source file: WaterDeficit.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E87.0 Hyperosmolality and hypernatremia; E86.0 Dehydration; E87.8 Other disorders of electrolyte and fluid balance, not elsewhere classified
Associated ICD9-CM codes 276.0 Hypernatremia; 276.51 Dehydration; 276.9 Electrolyt/fluid dis nec; 276.5 Hypovolemia

Equation: WDef = (Age_Sex_Factor * Normal_Weight) * (Serum_Na - Desired_Na) / Desired_Na
Default Result Unit: L
Allowable Result Units:

Radio Button Variable: Age_Sex_Factor
Discrete variable option: Male <65 years old Variable value: 0.6
Discrete variable option: Male ≥65 years old Variable value: 0.5
Discrete variable option: Female <18 years old Variable value: 0.6
Discrete variable option: Female 18 to <65 years old Variable value: 0.5
Discrete variable option: Female ≥65 years old Variable value: 0.45

Variable: Desired_Na
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na
Default value: 140 mEq/L_Na

Variable: Normal_Weight
Default Unit: kg
Allowable Units: kg

Variable: Serum_Na
LOINC: 2951-2 : mmol/L : 2947-0 : mEq/L : 32340-2 : mEq/L : 39791-9 : mEq/L
Default Unit: mEq/L_Na
Allowable Units: mEq/L_Na

Online calculator: Weight Based Divided Dose Calculator
Source file: WeightBasedDivDose.eq
EBMcalc Version: 8.9

Equation: Dose = Weight * Dosage
Default Result Unit: mg Daily
Allowable Result Units:

Equation: Liquid_Dose = Dose * Per_Volume / Med_Amount
Default Result Unit: mL Daily
Allowable Result Units:

Variable: Dosage
Default Unit: mg/kg
Allowable Units: mg/kg

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Med_Amount
Default Unit: mg
Allowable Units: mg

Variable: Per_Volume
Default Unit: mL
Allowable Units: mL

Online calculator: Weight Based Dosage Calculator
Source file: WeightBasedDose.eq
EBMcalc Version: 8.9

Equation: Dose = Weight * Dosage
Default Result Unit: mg
Allowable Result Units:

Equation: Liquid_Dose = Dose * Per_Volume / Med_Amount
Default Result Unit: mL
Allowable Result Units:

Variable: Dosage
Default Unit: mg/kg
Allowable Units: mg/kg

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: Med_Amount
Default Unit: mg
Allowable Units: mg

Variable: Per_Volume
Default Unit: mL
Allowable Units: mL

Online calculator: Weight Loss Indices Following Bariatric Surgery in Adults
Source file: WeightLossIndices.eq
EBMcalc Version: 18.3

Equation: Ideal_body_weight = 25 * (power((Initial_height / 100),2))
Default Result Unit: kg
Allowable Result Units:

Equation: Initial_BMI = Initial_weight / power((Initial_height / 100),2)
Default Result Unit: kg/m²
Allowable Result Units:

Equation: Postop_BMI = Postop_weight / power((Initial_height / 100),2)
Default Result Unit: kg/m²
Allowable Result Units:

Equation: TBWL = Initial_weight - Postop_weight
Default Result Unit: kg
Allowable Result Units:

Equation: PercentTBWL = 100 * (Initial_weight - Postop_weight) / Initial_weight
Default Result Unit: %
Allowable Result Units:

Equation: PercentEBWL = 100 * (Initial_weight - Postop_weight) / (Initial_weight - Ideal_body_weight)
Default Result Unit: %
Allowable Result Units:

Equation: PercentEBMIL = 100 * (Initial_BMI- Postop_BMI) / (Initial_BMI - 25)
Default Result Unit: %
Allowable Result Units:

Variable: Initial_height
Default Unit: cm
Allowable Units: cm
Maximum value: 275 cm

Variable: Initial_weight
Default Unit: kg
Allowable Units: kg
Maximum value: 680 kg

Variable: Postop_weight
Default Unit: kg
Allowable Units: kg
Maximum value: 680 kg

Online calculator: WHO assessment of malnutrition in females, 0 to 24 months
Source file: WHOInfantGrowthGirls.eq
EBMcalc Version: 8.9

Equation: Z_Score_Length_for_Age = zScoreInterp(LMS_LA, Age, Length)

Equation: Z_Score_Weight_for_Length = zScoreInterp(LMS_WL, Length, Weight)

Equation: Length_for_Age_Percentile = ZtoPercentile(Z_Score_Length_for_Age)

Equation: Weight_for_Length_Percentile = ZtoPercentile(Z_Score_Weight_for_Length)

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: mo
Allowable Units: mo
Maximum value: 24 mo

Variable: Length
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 45 cm
Maximum value: 110 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 1 kg
Maximum value: 25 kg

Online calculator: WHO assessment of malnutrition in females, 2 to 5 years
Source file: WHOGrowthGirls.eq
EBMcalc Version: 8.9

Equation: Z_Score_Height_for_Age = zScoreInterp(LMS_HA, Age, Height)

Equation: Z_Score_Weight_for_Height = zScoreInterp(LMS_WH, Height, Weight)

Equation: Height_for_Age_Percentile = ZtoPercentile(Z_Score_Height_for_Age)

Equation: Weight_for_Height_Percentile = ZtoPercentile(Z_Score_Weight_for_Height)

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: mo
Allowable Units: mo
Minimum value: 24 mo
Maximum value: 60 mo

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 65 cm
Maximum value: 120 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 7 kg
Maximum value: 25 kg

Online calculator: WHO assessment of malnutrition in males, 0 to 24 months
Source file: WHOInfantGrowthBoys.eq
EBMcalc Version: 8.9

Equation: Z_Score_Length_for_Age = zScoreInterp(LMS_LA, Age, Length)

Equation: Z_Score_Weight_for_Length = zScoreInterp(LMS_WL, Length, Weight)

Equation: Length_for_Age_Percentile = ZtoPercentile(Z_Score_Length_for_Age)

Equation: Weight_for_Length_Percentile = ZtoPercentile(Z_Score_Weight_for_Length)

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: mo
Allowable Units: mo
Maximum value: 24 mo

Variable: Length
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 45 cm
Maximum value: 110 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 1 kg
Maximum value: 25 kg

Online calculator: WHO assessment of malnutrition in males, 2 to 5 years
Source file: WHOGrowthBoys.eq
EBMcalc Version: 8.9

Equation: Z_Score_Height_for_Age = zScoreInterp(LMS_HA, Age, Height)

Equation: Z_Score_Weight_for_Height = zScoreInterp(LMS_WH, Height, Weight)

Equation: Height_for_Age_Percentile = ZtoPercentile(Z_Score_Height_for_Age)

Equation: Weight_for_Height_Percentile = ZtoPercentile(Z_Score_Weight_for_Height)

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: mo
Allowable Units: mo
Minimum value: 24 mo
Maximum value: 60 mo

Variable: Height
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 65 cm
Maximum value: 120 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 7 kg
Maximum value: 25 kg

Online calculator: WHO infant growth percentiles, 0 to 24 months
Source file: WHOInfantGrowth.eq
EBMcalc Version: 23.3
Associated ICD10-CM codes Z13.89 Encounter for screening for other disorder; E66.9 Obesity, unspecified; E66.01 Morbid (severe) obesity due to excess calories; Z13.21 Encounter for screening for nutritional disorder; E46 Unspecified protein-calorie malnutrition; E22.0 Acromegaly and pituitary gigantism; E23.0 Hypopituitarism; E34.3 Short stature due to endocrine disorder
Associated ICD9-CM codes 259.4 Dwarfism nec; 253.3 Pituitary dwarfism; 253.0 Acromegaly and gigantism; 263.9 Protein-cal malnutr nos; V77.2 Screen for malnutrition; 278.01 Morbid obesity; 278.00 Obesity nos; V77.8 Screening for obesity

Equation: Head_Circumference_Z_Score = ZS_HC

Equation: Head_Circumference_Percentile = ZtoPercentile(ZS_HC)

Equation: Weight_Z_Score = ZS_W

Equation: Weight_Percentile = ZtoPercentile(ZS_W)

Equation: Length_Z_Score = ZS_L

Equation: Length_Percentile = ZtoPercentile(ZS_L)

Equation: Weight_For_Length_Z_Score = ZS_WL

Equation: Weight_For_Length_Percentile = ZtoPercentile(ZS_WL)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: mo
Allowable Units: mo
Maximum value: 24 mo

Variable: Length
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 45 cm
Maximum value: 103.5 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg_infant
Allowable Units: kg_infant
Minimum value: 0.5 kg_infant
Maximum value: 100 kg_infant

Variable: Head_Circumference
LOINC: 9843-4 : cm : 8287-5 : cm : 8288-3 : cm : 8290-9 : cm : 8291-7 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 20 cm
Maximum value: 200 cm

Online calculator: WHO infant head circumference-for-age percentiles, 0 to 24 months
Source file: WHOInfantHeadCircForAge.eq
EBMcalc Version: 8.9

Equation: Z_Score = ZS

Equation: Percentile = ZtoPercentile(Z_Score)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: mo
Allowable Units: mo
Maximum value: 24 mo

Variable: Head_circumference
LOINC: 9843-4 : cm : 8287-5 : cm : 8288-3 : cm : 8290-9 : cm : 8291-7 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 20 cm
Maximum value: 200 cm

Online calculator: WHO infant length-for-age percentiles, 0 to 24 months
Source file: WHOInfantLengthForAge.eq
EBMcalc Version: 8.9

Equation: Z_Score = ZS

Equation: Percentile = ZtoPercentile(Z_Score)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: mo
Allowable Units: mo
Maximum value: 24 mo

Variable: Length
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 10 cm
Maximum value: 300 cm

Online calculator: WHO infant weight-for-age percentiles, 0 to 24 months
Source file: WHOInfantWeightForAge.eq
EBMcalc Version: 8.9

Equation: Z_Score = ZS

Equation: Percentile = ZtoPercentile(Z_Score)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Age
LOINC: 21612-7 : yr : 21612-7 : yr : 21612-7 : years : 30525-0 : Years old : 30525-0 : yr : 30525-0 : years
Default Unit: mo
Allowable Units: mo
Maximum value: 24 mo

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 0.5 kg
Maximum value: 100 kg

Online calculator: WHO infant weight-for-length percentiles, 0 to 24 months
Source file: WHOInfantWeightForLength.eq
EBMcalc Version: 8.9

Equation: Z_Score = ZS

Equation: Percentile = ZtoPercentile(Z_Score)

Radio Button Variable: Sex
Discrete variable option: Female Variable value: 1
Discrete variable option: Male Variable value: 2

Variable: Length
LOINC: 8302-2 : cm : 8301-4 : cm : 3137-7 : cm : 91370-7 : cm : 3138-5 : cm : 8306-3 : cm
Default Unit: cm
Allowable Units: cm
Minimum value: 45 cm
Maximum value: 110 cm

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg
Minimum value: 0.5 kg
Maximum value: 100 kg

Online calculator: Wilson Score for Prediction of Difficult Intubation
Source file: WilsonScore.cc
EBMcalc Version: 20.2

Equation: Wilson_Score = Weight_Factor + C_Spine_Mobility_Factor + Jaw_Mobility + Retrognathia + Prominent_Incisors
Default Result Unit: points
Allowable Result Units:

Variable: Weight
LOINC: 29463-7 : kg : 3141-9 : kg : 8350-1 : kg : 8351-9 : kg : 79348-9 : kg : 8335-2 : kg : 75292-3 : kg : 3142-7 : kg
Default Unit: kg
Allowable Units: kg

Variable: C_Spine_Mobility
Default Unit: degrees
Allowable Units: degrees

Radio Button Variable: Jaw_Mobility
Discrete variable option: IG ≥5 cm or normal ability to protrude lower teeth beyond upper Variable value: 0
Discrete variable option: IG <5 cm and can only protrude lower teeth to level of upper Variable value: 1
Discrete variable option: IG <5 cm and unable to protrude lower teeth to meet upper Variable value: 2

Radio Button Variable: Retrognathia
Discrete variable option: None Variable value: 0
Discrete variable option: Moderare Variable value: 1
Discrete variable option: Severe Variable value: 2

Radio Button Variable: Prominent_Incisors
Discrete variable option: None Variable value: 0
Discrete variable option: Moderate Variable value: 1
Discrete variable option: Severe Variable value: 2

Online calculator: Winters' Formula for Expected PCO2
Source file: WinterFormula.eq
EBMcalc Version: 8.7
Associated ICD10-CM codes E87.3 Alkalosis; E87.2 Acidosis; E87.8 Other disorders of electrolyte and fluid balance, not elsewhere classified
Associated ICD9-CM codes 276.9 Electrolyt/fluid dis nec; 276.2 Acidosis; 276.3 Alkalosis

Equation: PCO2 = HCO3 * 1.5 + 8
Default Result Unit: mmHg
Allowable Result Units:

Variable: HCO3
LOINC: 2028-9 : mmol/L : 1959-6 : mEq/L : 1960-4 : mEq/L : 14627-4 : mEq/L : 1961-2 : mEq/L : 22735-5 : mEq/L : 1963-8 : mEq/L
Default Unit: mEq/L_HCO3
Allowable Units: mEq/L_HCO3

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