ICD-10-CM 2027
ICD-10 code for Villonodular pigmented synovitis
From the official ICD-10-CM alphabetic index entry “Synovitis › villonodular (pigmented)”. Page updated September 29, 2026.
About coding Villonodular pigmented synovitis
The ICD-10-CM code for Villonodular pigmented synovitis is M12.2 (Villonodular synovitis (pigmented)). The official index lists 12 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on M12.2.
Within M12 (other and unspecified arthropathy), M12.2 is specifically for Villonodular synovitis (pigmented). Related codes cover chronic postrheumatic arthropathy [Jaccoud] (M12.0), Kaschin-Beck disease (M12.1), Palindromic rheumatism (M12.3), intermittent hydrarthrosis (M12.4), traumatic arthropathy (M12.5), other specific arthropathies, not elsewhere classified (M12.8) and arthropathy, unspecified (M12.9).
To report this condition, pick the subcode that matches the documentation: M12.20 (unspecified site), M12.21 (shoulder), M12.22 (elbow), M12.23 (wrist), M12.24 (hand), M12.25 (hip), M12.26 (knee), M12.27 (ankle and foot) and 2 more.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
More specific Villonodular pigmented synovitis codes (official index)
- ankle M12.27 — Villonodular synovitis (pigmented), ankle and foot
- elbow M12.22 — Villonodular synovitis (pigmented), elbow
- foot joint M12.27 — Villonodular synovitis (pigmented), ankle and foot
- hand joint M12.24 — Villonodular synovitis (pigmented), hand
- hip M12.25 — Villonodular synovitis (pigmented), hip
- knee M12.26 — Villonodular synovitis (pigmented), knee
- multiple site M12.29 — Villonodular synovitis (pigmented), multiple sites
- pelvic region M12.25 — Villonodular synovitis (pigmented), hip
- shoulder M12.21 — Villonodular synovitis (pigmented), shoulder
- specified joint NEC M12.28 — Villonodular synovitis (pigmented), other specified site
- vertebrae M12.28 — Villonodular synovitis (pigmented), other specified site
- wrist M12.23 — Villonodular synovitis (pigmented), wrist
Common questions about Villonodular pigmented synovitis ICD-10 codes
What is the ICD-10 code for Villonodular pigmented synovitis?
- M12.2 — Villonodular synovitis (pigmented) (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: M12.27, M12.22, M12.27, M12.24 and others below.
What is the ICD-10 code for ankle villonodular pigmented synovitis?
- M12.27 — Villonodular synovitis (pigmented), ankle and foot (header code; choose a more specific subcode).
What is the ICD-10 code for elbow villonodular pigmented synovitis?
- M12.22 — Villonodular synovitis (pigmented), elbow (header code; choose a more specific subcode).
What is the ICD-10 code for foot joint villonodular pigmented synovitis?
- M12.27 — Villonodular synovitis (pigmented), ankle and foot (header code; choose a more specific subcode).
What is the ICD-10 code for hand joint villonodular pigmented synovitis?
- M12.24 — Villonodular synovitis (pigmented), hand (header code; choose a more specific subcode).
What is the ICD-10 code for hip villonodular pigmented synovitis?
- M12.25 — Villonodular synovitis (pigmented), hip (header code; choose a more specific subcode).
What is the ICD-10 code for knee villonodular pigmented synovitis?
- M12.26 — Villonodular synovitis (pigmented), knee (header code; choose a more specific subcode).
Is M12.2 billable?
- No. M12.2 is a header code. Report one of its more specific subcodes instead.