E87.21
Billable codeAcute metabolic acidosis
The ICD-10 code for acute metabolic acidosis is E87.21.
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.
- Acute lactic acidosis
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
- E87.20Acidosis, unspecified
- E87.22Chronic metabolic acidosis
- E87.29Other acidosis
- E87.21Acute metabolic acidosis
Associated MS-DRGs
E87.21 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.