ICD-10-CM category
E87: Other disorders of fluid, electrolyte and acid-base balance
Codes under E87 (Other disorders of fluid, electrolyte and acid-base balance). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| E87.0 | Hyperosmolality and hypernatremia | ✓ |
| E87.1 | Hypo-osmolality and hyponatremia | ✓ |
| E87.2 | Acidosis | — |
| E87.3 | Alkalosis | ✓ |
| E87.4 | Mixed disorder of acid-base balance | ✓ |
| E87.5 | Hyperkalemia | ✓ |
| E87.6 | Hypokalemia | ✓ |
| E87.7 | Fluid overload | — |
| E87.8 | Other disorders of electrolyte and fluid balance, not elsewhere classified | ✓ |
| E87.20 | Acidosis, unspecified | ✓ |
| E87.21 | Acute metabolic acidosis | ✓ |
| E87.22 | Chronic metabolic acidosis | ✓ |
| E87.29 | Other acidosis | ✓ |
| E87.70 | Fluid overload, unspecified | ✓ |
| E87.71 | Transfusion associated circulatory overload | ✓ |
| E87.79 | Other fluid overload | ✓ |
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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