ICD-10-CM › M00-M99 › M05-M14 › M12 Other and unspecified arthropathy › M12.9
Arthropathy, unspecified
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 Arthropathy, unspecified
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.
- Arthropathy
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M12.0 | Chronic postrheumatic arthropathy [Jaccoud] | Not billable |
| M12.1 | Kaschin-Beck disease | Not billable |
| M12.2 | Villonodular synovitis (pigmented) | 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 |