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  Anion Gap

 
Input
 
Na  
Cl  
HCO3  

 
Result
 
 
AG  
 
Decimal Precision  

 
     
 
Include literature references: Yes   No
 

 
Equations used
 
AG = Na - (Cl + HCO3)

 

 
References
  1. Wrenn K. The delta (delta) gap: an approach to mixed acid-base disorders. Ann Emerg Med. 1990 Nov;19(11):1310-3. PubMed ID: 2240729 PubMed Logo
  2. Breyer JA. Acid base course material. 6th National Critical Care Medicine Review Course.

 
Associated Medical Subject Headings [MeSH]
 
         Acid-Base Equilibrium,   Acid-Base Imbalance,   Adult,   Bicarbonates,   Diagnosis,   Differential,   Female,   Humans,   Male,   Mathematics,   Middle Aged,   Osmolar Concentration

 
Associated Logical Observation Identifiers Names and Codes [LOINC]
 
Parameter LOINC's and Suggested Units
Na 2951-2 : mmol/L      2947-0 : mEq/L      32340-2 : mEq/L      39791-9 : mEq/L      
Cl 2075-0 : mEq/L      2069-3 : mEq/L      41649-5 : mEq/L      32307-1 : mEq/L      
HCO3 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      
AG 10466-1 : mEq/L      33037-3 : mEq/L      

 
This material contains content from LOINC® (http://loinc.org). The LOINC table, LOINC codes, and LOINC panels and forms file are copyright © 1995-2014, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and available at no cost under the license at http://loinc.org/terms-of-use.

 
Associated ICD10-CM Codes
 
   P74.0Late metabolic acidosis of newborn
   E87.2Acidosis

 
Associated ICD9-CM Codes
 
   276.2Acidosis
   775.7Late metab acidosis nb

 
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