E87.22 — Chronic metabolic acidosis

E87.22

ICD-10 Chapter 4: Endocrine, Nutritional & Metabolic — illustrative image — Chapter 4: Endocrine, nutritional and metabolic diseases (E00–E89) — illustrative image

What this code means

Chronic metabolic acidosis is a long-term excess of acid in the blood, most often seen with chronic kidney disease.

Also called: chronic metabolic acidosis.

When this code is used

Used for chronic metabolic acidosis.

Where it sits in ICD-10-CM

Code E87.22 belongs to Chapter 4: Endocrine, nutritional and metabolic diseases, which covers codes E00–E89 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Learn more about this condition

Condition guide: Dialysis

Frequently asked questions

What is ICD-10-CM code E87.22?

E87.22 is the ICD-10-CM diagnosis code for “Chronic metabolic acidosis”. Chronic metabolic acidosis is a long-term excess of acid in the blood, most often seen with chronic kidney disease.

When is code E87.22 used?

Used for chronic metabolic acidosis. It belongs to Chapter 4 of ICD-10-CM (Endocrine, nutritional and metabolic diseases).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.