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New in version 26.3

• Bronchiectasis Severity Index (BSI)
• FLIPI24 Score for the Prognosis of Follicular Lymphoma
• GNRI: Geriatric Nutritional Risk Index
• Ideal Body Weight (method of Lorenz)

New in version 26.2

• FIB-4 Index, an Indirect Marker for Liver Fibrosis in Adults (2026 update)
• HCM risk-SCD: Sudden Cardiac Death Prediction in Hypertrophic Cardiomyopathy
• International IgA Nephropathy Risk Prediction in Adults
• Lille Model for Prognosis of Alcoholic Hepatitis
• Long QT Syndrome Risk of Life Threatening Arrhythmic Event: 1-2-3-LQTS-Risk
• Mini-Cog Evaluation of Cognitive Impairment
• Neonatal Early-Onset Sepsis Risk Prediction (2024 update)
• PAGE-B score for hepatocellular carcinoma risk in adults with chronic hepatitis B

New in version 26.1

• BLISS Score Predicting COPD Admissions
• CADence: Risk-factor-weighted clinical likelihood of obstructive coronary artery disease
• Heaviness of Smoking
• Percutaneous Coronary Intervention (PCI) Risk Estimates
• Predicted postoperative DLCO following lung resection surgery (anatomic method) in adults
• Predicted postoperative DLCO following lung resection surgery (diffusion method) in adults
• Rib Score Predicting Complications from Rib Fractures
• Sequential Organ Failure Assessment: SOFA-2 Score

New in version 25.4

• CLIF-SOFA score for adults with acute-on-chronic liver disease
• CNS-IPI (International Prognostic Index for 2-year risk of CNS relapse in DLBCL treated with R-CHOP) in adults
• Estimated energy requirement (EER) for females, birth to 18 years (revised 2023)
• Estimated energy requirement (EER) for males, birth to 18 years (revised 2023)
• FIB-4 as a Marker of Fibrosis in Nonalcoholic Fatty Liver Disease (NAFLD)
• Hospital-Acquired Venous Thromboembolism Risk (HA-VTE) Prediction
• Lactate-Albumin Ratio (LAR) in Severe Pancreatitis with Acute Kidney Injury
• Perceived stress score (PSS-10)
• PLEASE Score for Risk of Hepatocellular Carcinoma in Chronic Liver Disease
• PROSPECT Score Predicting Physical and Mental Problems After Critical Illness
• SCOFF Screening Questionnaire for Eating Disorders
• VTE-BLEED score for risk of bleeding among adults receiving long-term anticoagulation
• Z-Score to Percentile Estimation by Cumulative Density Function

New in version 25.3

• Cardiac Power Output: CPO
• Clinical Diagnostic Rule for Initial Gout Flare
• Good Outcomes Following Attempted Resuscitation (GO-FAR) score
• HINTS of Stroke in Acute Vertigo Syndrome
• Pulmonary Artery Pulsatility Index: PAPi
• SALT Score for the Severity of Alopecia Areata

New in version 25.2

• ABC Score for Prediction of 30-Day Mortality in Acute GI Bleeding
• Alvarado Score for Acute Appendicitis
• Cardiovascular risk assessment in adults (10 and 30-year, AHA PREVENT™ 2026)
• Glucose Management Indicator (GMI)
• International Early Warning System (IEWS)
• MAGGIC Score Predicting Heart Failure Survival
• Penn State Equations for Resting Energy Expenditure in Critically Ill Patients
• T-MACS Troponin-Only Manchester Acute Coronary Syndrome Prediction

New in version 25.1

• Clinical criteria for exudative pleural effusion in adults (Light's criteria with continuous likelihood ratios)
• Clinical criteria for exudative pleural effusion in adults (pleural fluid only-3 criteria with continuous likelihood ratios)
• Clinical criteria for exudative pleural effusion in adults (pleural fluid only-3 criteria)

New in version 24.4

• Surgical Apgar score (SAS) in adults undergoing general surgery procedures

New in version 24.3

• Neonatal Early-Onset Sepsis Risk Prediction (2017)

New in version 24.2

• INTERCHEST Score for Chest Pain Risk Assessment
• MAF-5 metabolic dysfunction–associated fibrosis 5 score

New in version 24.1

• SAVE Score: Survival After Veno-Arterial ECMO

New in version 23.4

• Corrected/Adjusted Age of Preterm Infants
• Embolic Risk (ER) French Score in Infective Endocarditis
• PELD-Cr Score for End-stage Liver Disease in patients less than 12 years old (2023 update)

New in version 23.3

• Acetaminophen (Paracetamol) Toxicity Assessment (Revised 2023)
• Aris birth weight-for-gestational age percentiles, singletons, 22 to 42 weeks gestation
• Blood pressure percentiles, 0 to 17 years (2017 standard)
• Fenton weight-for-gestational age percentiles, 22 to 50 weeks gestation (2007, not sex-specific)
• Fractional Excretion of Calcium (FECa)
• Olsen infant BMI-for-gestational-age percentiles, 24 to 41 weeks gestation
• Olsen infant head circumference-for-gestational-age percentiles, 23 to 41 weeks gestation
• Olsen infant length-for-gestational-age percentiles, 23 to 41 weeks gestation
• Olsen infant weight-for-gestational-age percentiles, 23 to 41 weeks gestation
• QT Interval Correction (EKG, Multi-Equation)
• WHO infant growth percentiles, 0 to 24 months

New in version 23.2

• Gupta postoperative pneumonia risk in adults
• Gupta postoperative respiratory failure risk in adults
• MELD 3.0 Score EXCLUDING Serum Albumin
• MELD 3.0 Score Including Serum Albumin
• Probability of heart failure with preserved ejection fraction (H₂FPEF score) in adults with dyspnea
• Veterans Affairs Frailty Index (VA-FI)

New in version 23.1

• COVID-19 and the Prognostic Nutrition Index (PNI)
• Martin Equation for Low Density Lipoprotein (LDL-C)
• Predicted body weight and tidal volume in adults
• Predicted total lung capacity (pTLC) in adults
• Right Ventricular Systolic Pressure (RVSP) in Tricuspid Regurgitation
• Sampson Equation for Low Density Lipoprotein (LDL-C)

New in version 22.4

• COVID-19 and the Systemic Immune-Inflammation Index (SII)
• COVID-19 MMCD Score to Predict Need for Dialysis
• Glomerular Filtration Rate Estimation (eGFR) by CKD-EPI Equation with Creatinine and Cystatin C, without Race (2021)
• Glomerular Filtration Rate Estimation (eGFR) by CKD-EPI Equation with Cystatin C, without Race (2012)
• Glomerular Filtration Rate Estimation (eGFR) by CKiD U25 Equations with Creatinine and/or Cystatin C in Children and Adults ≤25 Years Old (2021)
• GRACE 2.0 Score for Acute Coronary Syndrome Prognosis (non-linear model 2014)
• GRACE Score for Acute Coronary Syndrome Prognosis (linear model 2003)
• Newborn hyperbilirubinemia assessment for infants born at 35 weeks or more gestation (2022 update)
• PHASES Score for 5-Year Risk of Intracranial Aneurysm Rupture
• Progressive Multifocal Leukoencephalopathy (PML) Risk in patients Treated with Natalizumab
• Trial of labor after cesarean (TOLAC) for use at entry to prenatal care (2021 equation without race)

New in version 22.3

• Breast cancer risk assessment by Gail Model (2018)
• Breast cancer risk assessment incorporating breast density (BCSC 2015)
• Geriatric-Sensitive Perioperative Cardiac Risk Index (GSCRI)
• Neuropathic Pain Scale (NPS)
• UCLA Integrated Staging System (UISS) prognostic model for adults with renal cell carcinoma treated with nephrectomy

New in version 22.2

• COVID-19 SCOPE Score to Predict Severe Respiratory Failure
• Geriatric Depression Scale (30-item GDS)

New in version 22.1

• COVID-19 CHOD Score for Estimating Risk of Inpatient Pulmonary Embolism
• COVID-19 ISARIC C4 Score
• COVID-19 Severity by M-CHA(2)DS(2)-VASc Score
• ECOG Performance Status
• ICE Score: Immune Effector Cell-Associated Encephalopathy
• Kidney Failure Risk Equation (KFRE) (4-variable)
• Lipoprotein Insulin Resistance Index (LPIR Index)
• Mifflin-St Jeor Resting Energy Expenditure (REE)
• ROSE Score: Risk Stratification of Syncope in the Emergency Department
• San Francisco Syncope Rule TreeCalc

New in version 21.4

• COVID-19 AID Score
• COVID-19 Obesity and Diabetes Score
• COVID-19 Simplified HOSPITAL Score for Readmission Risk
• Glomerular Filtration Rate Estimation (eGFR) by CKD-EPI Equation with Creatinine, without Race (2021)

New in version 21.3

• Bishop Score for Elective Induction
• COVID-19 ABC₂-SPH Score
• COVID-19 CALL Score
• COVID-19 FAPIC Score for Vaccine Induced Thrombotic Thrombocytopenia Syndrome
• COVID-19 Inflammation Score for Disease Severity
• COVID-19 PRIORITY Score
• COVID-19 Severity by Shock Index and Modified Shock Index
• COVID-19 SOARS Score
• Edinburgh Postnatal Depression Scale (EPDS)
• ORBIT Bleeding Risk Score in Atrial Fibrillation
• PEACH Score: Estimating Perioperative Mortality in Adult Congenital Heart Disease Surgery
• PECARN Head Trauma Head CT Decision Tree

New in version 21.2

• COVID-19 Kuwait Progression Score
• COVID-19 PAWNN Score
• COVID-19 Quick Severity Index (qCSI)
• COVID-19 RISE UP Score for Emergency Department Patients 65 Years Old and Older
• COVID-19 SEIMC Score
• COVID-19 Symptom-Based C19 Rule for Diagnosis

New in version 21.1

• Basal metabolic rate (BMR) using Schofield equations in children and adolescents
• Cancer and Aging Research Group-Breast Cancer (CARG-BC) score for older adults
• Light's Criteria for Exudative Pleural Effusion
• ROX Index (Respiratory rate--oxygenation)

New in version 20.3

• Absolute Phagocyte Count
• CAGE Criteria for Potential Excessive Alcohol Use
• COVID-19 Critical Illness Predictor (Liang 5/12/2020)

New in version 20.2

• Wilson Score for Prediction of Difficult Intubation

New in version 20.1

• CIP (Critical Illness Prediction) Score
• COVID-19 Criticality Prediction (Yan 3/3/2020)
• COVID-19 Mortality Risk Estimation (Zhou 3/11/2020)
• EUTOS long-term survival (ELTS) score in adults with chronic myeloid leukemia (conventional and SI units)
• Gravity Flow Rate Calculator
• MuLBSTA Score to Predict Mortality in Viral Pneumonia
• Peak expiratory flow prediction in females (5 to <18 years)
• Peak expiratory flow prediction in males, 5 to <18 years
• RESP Score for ECMO Survival Prediction
• Sequential Organ Failure Assessment (Modified): mSOFA Score

New in version 19.4

• Clinical Opioid Withdrawal Scale (COWS) for adults and adolescents
• Ottawa Heart Failure Risk Scale
• Ottawa Subarachnoid Hemorrhage (SAH) Rule
• Thyroid Imaging Reporting and Data System (TI-RADS) with Guidance on FNA of Thyroid Nodules in Adults

New in version 19.3

• Ishak Grading of Chronic Hepatitis
• Peak expiratory flow prediction in females (18 to 85 years)
• Peak expiratory flow prediction in males (18 to 85 years)
• Pediatric Ulcerative Colitis Activity Index (PUCAI)
• SLICC Criteria for the Diagnosis of Systemic Lupus Erythematosus

New in version 19.1

• COPD Assessment Test (CAT)
• Genetically Inspired International Prognostic Scoring System (GIPSS) for Primary Myelofibrosis in Adults
• Khorana Score for Estimating Venous Thromboembolism Risk in Adults with Cancer
• Modified Fisher Scale for Subarachnoid Hemorrhage
• Mutation and Karyotype-Enhanced International Prognostic Scoring System for Primary Myelofibrosis in adults 70 and younger (MIPSS70+ version 2.0)
• SAPS II: Simplified Acute Physiology Score II
• SIRS Criteria: Systemic Inflammatory Response Syndrome

New in version 18.4

• Cardiovascular Risk Assessment (10-year, Revised Pooled Cohort Equations 2018)
• Chronic Kidney Disease: 5-Year Mortality Risk in Older Adults
• Fractional excretion of phosphate (FePO₄)
• Risk of Paradoxical Embolism (RoPE) Score in Adults

New in version 18.3

• Milan Criteria in Liver Transplantation for Hepatocellular Carcinoma
• NAFLD Fibrosis Score
• PERC Rule for the Assessment of Possible Pulmonary Embolism
• Simplified Pulmonary Embolism Severity Index (sPESI)
• Weight Loss Indices Following Bariatric Surgery in Adults

New in version 18.2

• Cost of Smoking
• STOP-Bang Enhanced Screening Questionnaire for Obstructive Sleep Apnea (OSA)

New in version 18.1

• Center for International Blood and Marrow Transplant Research (CIBMTR) Chronic Graft-Versus-Host-Disease (GVHD) Risk Score
• Endotracheal tube size for children (Age 1 to 8 years)
• National Early Warning Score 2 (NEWS2)
• PLASMIC Score for Estimating the Likelihood of Severe ADAMTS13 Deficiency in Adults with Suspected TTP

New in version 17.3

• HEART Score
• Splenic Marginal Zone Lymphoma Study Group (SMZLSG) Prognostic Index in Adults

New in version 17.1

• Diabetes Risk Self Assessment
• Urine osmolal gap (UOG) (SI units)
• Urine osmolal gap (UOG)

New in version 16.4

• Eckardt symptom score for achalasia
• Rheumatoid arthritis Disease Activity Score with C-reactive protein (DAS28-CRP)
• Sodium Correction in Hyperglycemia (Hillier 1999)

New in version 16.3

• Low anterior resection syndrome (LARS) score

New in version 16.2

• Intracerebral Hemorrhage Score

New in version 16.1

• ACR/EULAR Rheumatoid Arthritis Diagnostic Criteria (2010)
• Caprini DVT Risk Score
• GAD-7 Generalized Anxiety Disorder Scale
• Mortality Probability Admission Model (MPM0-III) for critical illness in adults
• Neutrophil to Lymphocyte Ratio and Risk of Stroke in Atrial Fibrillation
• Sleep problems questionnaire

New in version 15.4

• Dynamic International Prognostic Scoring System-Plus (DIPSS-Plus) for Primary Myelofibrosis (PMF) in Adults and Adolescents
• Karnofsky Performance Status Score
• LACE Score Predicting Readmission or Post Hospitalization Death
• Modified Wells score for deep vein thrombosis (DVT)
• Moser Discriminant Function for X-ALD
• Westley croup severity score (appropriate for use in children ≤6 years of age)

New in version 15.3

• Geneva Risk Score for Venous Thromboembolism in Hospitalized Medical Patients

New in version 15.2

• ARISCAT (Canet) preoperative pulmonary risk index in adults

New in version 15.1

• Albumin-bilirubin (ALBI) grade estimate of survival of adults with hepatocellular carcinoma (conventional and SI units)
• Clostridium Difficile Disease (CDD) Severity (Hines VA Score)
• Clostridium Difficile Severity Score (UPMC 2008)
• Fat Free Mass, a Measure of Lean Body Weight
• Glomerular Filtration Rate Estimation (eGFR) by AASK Equation
• Gupta Perioperative Cardiac Risk Prediction
• Kidney Failure Risk Equation (KFRE) (8-variable)
• SCORTEN Prediction of Mortality in Toxic Epidermal Necrolysis

New in version 14.4

• Mayo Chronic Myelomonocytic Leukemia (CMML) Prognostic Model in Adults (conventional and SI units)

New in version 14.3

• Sequential Organ Failure Assessment (Quick): qSOFA Score
• Sequential Organ Failure Assessment: SOFA Score

New in version 14.1

• HAS-BLED Bleeding Risk Score
• Predicted postoperative FEV1 following lung resection surgery (anatomic method)
• Predicted postoperative FEV1 following lung resection surgery (perfusion method)
• REVEAL PAH Score and Estimated One-Year Survival for Adult Patients with Pulmonary Arterial Hypertension

New in version 13.4

• Absolute Eosinophil Count
• Adjusted Cerebrospinal Fluid White Blood Cell Count in the Presence of Red Blood Cells
• Cardiovascular Risk Assessment (10-year, ACC/AHA PCE: Pooled Cohort Equations)
• Cardiovascular Risk Assessment (10-year, MESA 2015, with or without CAC score)
• Lung Cancer Risk Estimation in Current and Past Smokers (6-year)
• Solitary Pulmonary Nodule Malignancy Risk (Brock abbreviated model)
• Solitary Pulmonary Nodule Malignancy Risk (Brock University)
• Solitary Pulmonary Nodule Malignancy Risk (Cummings prediction model: Bayesian approach)

New in version 13.3

• Heparin Induced Thrombocytopenia 4 Ts Score
• SMART COP Score for Pneumonia Severity
• SMRT CO Score for Pneumonia Severity

New in version 13.2

• Energy Loss Index and the Severity of Asymptomatic Aortic Stenosis
• Risk of Acquiring Diabetes Mellitus (7.5-year)

New in version 13.1

• ABCD Rule Predicting Stroke Within 7 Days of a TIA
• ABCD2 Score to Predict Stroke Risk after TIA
• Acute Heart Failure Prediction Based on NT-proBNP and Clinical Features
• ATRIA Score for Prediction of Major Hemorrhage in Atrial Fibrillation Treated with Warfarin
• Behcet's Syndrome Iran Criteria Arithmetic Method
• Cardiovascular Risk Assessment in Type I Diabetes (5-year)
• Cervical Spine Injury Prediction in Blunt Trauma
• Chest Pain Score
• Clinical Pulmonary Infection Score (CPIS)
• COPE Statistic Adding Cost to Number Needed to Treat
• DVT Probability: Primary Care Rule Including D-dimer
• Injury Severity Score (ISS)
• Sleep Apnea Syndrome (SAS) Prediction by Pulmonary Function Testing of Snorers

New in version 12.4

• ADO Index Mortality Prediction in COPD
• BAP-65 prediction of in-hospital mortality and need for mechanical ventilation in COPD
• Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) in Adults
• Cardiovascular Risk Assessment in Adult Females (10-year, Reynolds Risk Score 2007)
• Cardiovascular Risk Assessment in Adult Males (10-year, Reynolds Risk Score 2008)
• Chest Pain Risk Assessment in Patients with Normal Troponin and No ST-T Changes
• International Prognostic Index for Non-Hodgkin Lymphoma
• Revised Geneva Score for Estimation of the Clinical Probability of Pulmonary Embolism in Adults
• Thrombolysis in Myocardial Infarction Risk Index (TRI) in Non ST Elevation Myocardial Infarction

New in version 12.3

• Hypersensitivity Pneumonitis Prediction
• Padua Score for Assessing Venous Thromboembolism Risk in Hospitalized Patients
• Revised International Prognostic Scoring System (IPSS-R) in Primary Myelodysplastic Syndrome in Adults

New in version 12.2

• Diffusing capacity for carbon monoxide (DLCO) corrected for anemia
• Diffusing capacity for carbon monoxide (DLCO) correction of predicted value for anemia (SI units)

New in version 12.1

• APRI and Cirrhosis Probability in Hepatitis C
• Bonacini Discriminant Score and Cirrhosis Probability in Hepatitis C
• Chronic Kidney Disease 10 Year Risk Score
• Cirrhosis Probability in Hepatitis C MultiCalc
• FIB-4 and Cirrhosis Probability in Hepatitis C
• GUCI and Cirrhosis Probability in Hepatitis C
• Kawasaki Disease Kobayashi Score
• Lok Index and Cirrhosis Probability in Hepatitis C
• Mantle Cell Lymphoma International Prognostic Index (MIPI)
• Pulmonary Embolism Severity Index (PESI)

New in version 11.4

• Heart Failure Diagnosis
• Multinational Association for Supportive Care in Cancer (MASCC) risk index for patients with neutropenic fever

New in version 11.3

• Fractional Excretion of Magnesium (SI units)
• Fractional Excretion of Magnesium
• Mangled Extremity Severity Score (MESS score)

New in version 11.2

• Body Surface Area (BSA, Gehan and George Method)
• Mortality risk in postoperative adult patients with cirrhosis
• NIH Chronic Prostatitis Symptom Index
• Sokal Score for Chronic Myeloid Leukemia
• Solitary Pulmonary Nodule Malignancy Risk (Veterans Affairs model)

New in version 11.1

• Base Excess Determination
• PASI Psoriasis Area and Severity Index

New in version 10.3

• Bedside Index of Severity in Acute Pancreatitis (BISAP) Score
• Crohn's Disease Activity Index (CDAI) in adults
• Glasgow Alcoholic Hepatitis Score
• Glasgow Blatchford Score for Gastrointestinal Bleeding
• Glycemic Assessment: A1C to Average Glucose Conversions
• Harvey-Bradshaw Index of Crohn's Disease Activity
• Mayo Score for Assessing Ulcerative Colitis Activity
• Oxygen Saturation Estimate from PO2
• Rockall Score for Upper Gastrointestinal Bleeding
• Waist to Hip Ratio

New in version 10.2

• Heart Failure Clinical Prediction Rule

New in version 10.1

• Alcohol Consumption Screening AUDIT Questionnaire