ICD-10-CM › M00-M99 › M05-M14 › M12 Other and unspecified arthropathy › M12.2
Villonodular synovitis (pigmented)
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 10 more specific codes instead:
- M12.20 Villonodular synovitis (pigmented), unspecified site
- M12.21 Villonodular synovitis (pigmented), shoulder (also a header)
- M12.22 Villonodular synovitis (pigmented), elbow (also a header)
- M12.23 Villonodular synovitis (pigmented), wrist (also a header)
- M12.24 Villonodular synovitis (pigmented), hand (also a header)
- M12.25 Villonodular synovitis (pigmented), hip (also a header)
- M12.26 Villonodular synovitis (pigmented), knee (also a header)
- M12.27 Villonodular synovitis (pigmented), ankle and foot (also a header)
- M12.28 Villonodular synovitis (pigmented), other specified site
- M12.29 Villonodular synovitis (pigmented), multiple sites
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Villonodular synovitis (pigmented)
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from M12 Other and unspecified arthropathy
Excludes1 - never coded here
- arthrosis (M15-M19)
- cricoarytenoid arthropathy (J38.7)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Synovitis
- Tenonitis
- Tenosynovitis
- Tenovaginitis
- Tendosynovitis
- Tenontothecitis
- Tenontosynovitis
- Sloughing > tendon
- Slipped, slipping > tendon
- Disease, diseased > synovium
- Disorder > tendon > synovitis
- Disorder > synovium > synovitis
- Disorder > tendon > tenosynovitis
- Disease, diseased > tendon, tendinous
- Inflammation, inflamed, inflammatory > synovial
- Inflammation, inflamed, inflammatory > tendon NEC
- Synovitis > villonodular
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M12.0 | Chronic postrheumatic arthropathy [Jaccoud] | Not billable |
| M12.1 | Kaschin-Beck disease | Not billable |
| M12.3 | Palindromic rheumatism | Not billable |
| M12.4 | Intermittent hydrarthrosis | Not billable |
| M12.5 | Traumatic arthropathy | Not billable |
| M12.8 | Other specific arthropathies, not elsewhere classified | Not billable |
| M12.9 | Arthropathy, unspecified | Valid |