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Anion Gap Calculator
Anion Gap Calculator
Calculate anion gap for metabolic acidosis evaluation
Enter Values
Sodium (mEq/L)
Chloride (mEq/L)
Bicarbonate (mEq/L)
Albumin (g/dL) - Optional
AG = Na - (Cl + HCO₃)
Reference
<3
Low
3-12
Normal
>12
Elevated
Related Calculators
Osmolality
Sodium
Chloride
Potassium