Anion Gap Calculator

Na − Cl − HCO3.

Anion gap (mmol/L) 12

Step-by-step with your numbers:

1. Values used:

2. Sodium = 140 mmol/L

3. Chloride = 104 mmol/L

4. Bicarbonate = 24 mmol/L

5. Anion gap = 12mmol/L

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Na − Cl − HCO₃. Normal ~8–12. Informational — interpretation requires a physician.

FAQ

High gap?

Can indicate metabolic acidosis — consult a doctor.