ICD-10-CM › M00-M99 › M05-M14 › M13.1 Monoarthritis, not elsewhere classified › M13.10
Monoarthritis, not elsewhere classified, unspecified site
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 Monoarthritis, not elsewhere classified, unspecified site
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 M13 Other arthritis
Excludes1 - never coded here
- arthrosis (M15-M19)
- osteoarthritis (M15-M19)
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.
- Monoarthritis
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M13.11 | Monoarthritis, not elsewhere classified, shoulder | Not billable |
| M13.12 | Monoarthritis, not elsewhere classified, elbow | Not billable |
| M13.13 | Monoarthritis, not elsewhere classified, wrist | Not billable |
| M13.14 | Monoarthritis, not elsewhere classified, hand | Not billable |
| M13.15 | Monoarthritis, not elsewhere classified, hip | Not billable |
| M13.16 | Monoarthritis, not elsewhere classified, knee | Not billable |
| M13.17 | Monoarthritis, not elsewhere classified, ankle and foot | Not billable |