E87.5
Billable codeHyperkalemia
The ICD-10 code for hyperkalemia is E87.5.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Potassium [K] excess
- Potassium [K] overload
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- E87.0Hyperosmolality and hypernatremia
- E87.1Hypo-osmolality and hyponatremia
- E87.2Acidosisnon-billable header
- E87.3Alkalosis
- E87.4Mixed disorder of acid-base balance
- E87.6Hypokalemia
- E87.7Fluid overloadnon-billable header
- E87.8Other disorders of electrolyte and fluid balance, not elsewhere classified
- E87.5Hyperkalemia
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2767
Associated MS-DRGs
E87.5 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.