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Anion Gap

 

Input
 

Na		mEq/L mmol/L
Cl		mEq/L mmol/L
HCO3		mEq/L mmol/L

 
Result
 
Important: Inputs must be complete to perform calculation.

 

Anion Gap		mEq/L meq/L mmol/L
Decimal Precision   0 1 2 3

 

Data action

 
     
 
Include literature references: Yes   No

 

 

 
Equations used
 

Anion Gap = 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
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
Anion Gap	33037-3 : mEq/L      10466-1 : mEq/L

 
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