E87.22
Billable codeChronic metabolic acidosis
The ICD-10 code for chronic metabolic acidosis is E87.22.
Clinical notes
Code first
This code represents a manifestation of an underlying disease. Coding convention requires the underlying (etiology) code to be sequenced first, with this code listed second.
- underlying etiology, if applicable
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Chronic lactic acidosis
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code represents a manifestation. Documentation should identify the underlying condition, which must be coded first.
- •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
- E87.21Acute metabolic acidosis
- E87.29Other acidosis
- E87.22Chronic metabolic acidosis
Associated MS-DRGs
E87.22 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.