ICD-10-CM › M00-M99 › M05-M14 › M12.22 Villonodular synovitis (pigmented), elbow › M12.222
Villonodular synovitis (pigmented), left elbow
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 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.
- FY2007 Added to the draft code set draft Villonodular synovitis (pigmented), left elbow
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 > elbow
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M12.221 | Villonodular synovitis (pigmented), right elbow | Valid |
| M12.229 | Villonodular synovitis (pigmented), unspecified elbow | Valid |