Anion gap

Na⁺ − (Cl⁻ + HCO₃⁻)

Anion gap

Enter sodium, chloride and bicarbonate

Read the guidance

Source: JBDS-IP 02 — Management of diabetic ketoacidosis in adults (March 2023)

For healthcare professionals, as an aid to clinical judgement — not a substitute for it. Follow your local policy and ask a senior when in doubt.