World Health Organization · 2026-01 · English
Disorders of fluid, electrolyte or acid-base balance
Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.
More specific codes
5C70Volume depletion5C71Hyperosmolality or hypernatraemia5C72Hypo-osmolality or hyponatraemia5C73Acidosis5C74Alkalosis5C75Mixed disorder of acid-base balance5C76Hyperkalaemia5C77Hypokalaemia5C78Fluid overload5C7YOther specified disorders of fluid, electrolyte or acid-base balance5C7ZDisorders of fluid, electrolyte or acid-base balance, unspecified© World Health Organization · CC BY-ND 3.0 IGO