ICD-10-CM category
E87 Other disorders of fluid, electrolyte and acid-base balance
E87 is a category, not a billable code. Report one of the 14 complete codes below.
Codes in E87
- E87.0Hyperosmolality and hypernatremia
- E87.1Hypo-osmolality and hyponatremia
- E87.20Acidosis, unspecified
- E87.21Acute metabolic acidosis
- E87.22Chronic metabolic acidosis
- E87.29Other acidosis
- E87.3Alkalosis
- E87.4Mixed disorder of acid-base balance
- E87.5Hyperkalemia
- E87.6Hypokalemia
- E87.70Fluid overload, unspecified
- E87.71Transfusion associated circulatory overload
- E87.79Other fluid overload
- E87.8Other disorders of electrolyte and fluid balance, not elsewhere classified
Outside the US? E87 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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