Albumin-Corrected Anion Gap Calculator
Anion gap corrected for hypoalbuminemia (more accurate)
When to use it
Use when serum albumin is low to get a more accurate anion gap.
Category
Electrolytes & Acid-Base
References
- Figge J et al. Anion gap and hypoalbuminemia. Crit Care Med. 1998;26:1807-10. PMID: 9824071
- Kraut JA et al. Serum anion gap: its uses and limitations in clinical medicine. Clin J Am Soc Nephrol. 2007;2:162-74. PMID: 17699401
- Hatherill M et al. Correction of the anion gap for albumin in order to detect occult tissue anions in shock. Arch Dis Child. 2002;87:526-9. PMID: 12456555 (Figge's equation with normal albumin 44 g/L)
- Lolekha PH et al. Reference ranges of electrolyte and anion gap on the Beckman E4A, Beckman Synchron CX5, Nova CRT, and Nova Stat Profile Ultra. Clin Chim Acta. 2001;307:87-93. PMID: 11369341
About NephroMind
This calculator is part of NephroMind, a free clinical decision-aid platform from the Arab Society of Nephrology and Renal Transplantation (ASNRT) — over 128 bedside nephrology calculators plus a renal drug-dosing database, coded by a practicing transplant nephrologist.