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ICD-10-CM 2027

ICD-10 code for knee reiter's disease

M02.36

Reiter's disease, knee

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Reiter's disease, syndrome, or urethritis › knee”. Page updated September 29, 2026.

About coding knee reiter's disease

The ICD-10-CM code for knee reiter's disease is M02.36 (Reiter's disease, knee).

Within M02.3 (Reiter's disease), M02.36 is specifically for Reiter's disease, knee. Related codes cover unspecified site (M02.30), shoulder (M02.31), elbow (M02.32), wrist (M02.33), hand (M02.34), hip (M02.35), ankle and foot (M02.37), vertebrae (M02.38) and 1 more.

To report this condition, pick the subcode that matches the documentation: M02.361 (knee), M02.362 (knee) and M02.369 (knee).

Code first underlying disease, such as: congenital syphilis [Clutton's joints] (A50.5), enteritis due to Yersinia enterocolitica (A04.6), infective endocarditis (I33.0) and viral hepatitis (B15-B19).

Common questions about knee reiter's disease ICD-10 codes

What is the ICD-10 code for knee reiter's disease?

M02.36 — Reiter's disease, knee (a header code; report a more specific subcode).

Is M02.36 billable?

No. M02.36 is a header code. Report one of its more specific subcodes instead.