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Electrolytes & Minerals
Normal range 8-16 mEq/L (8-16 mmol/L SI). Specimen: Serum or plasma (calculated).
Also known as: AG.
Combined adult band. LabVals does not publish separate men's, women's, or pediatric ranges for Anion Gap; those can be narrower than the band shown.
| Specimen | Serum or plasma (calculated) |
|---|---|
| Conventional range | 8-16 mEq/L |
| SI range | 8-16 mmol/L |
| Conversion factor | ×1 (conventional → SI) |
| Panel | Electrolytes & Minerals |
Convert any Anion Gap result between units on the unit converter.
The standard teaching reference range for Anion Gap is 8-16 mEq/L in conventional units, or 8-16 mmol/L in SI units. This value is measured in serum or plasma (calculated).
Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.
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