ICD-10-CM › M00-M99 › M05-M14 › M13 Other arthritis › M13.1
M13.1
Monoarthritis, not elsewhere classified
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 8 more specific codes instead:
- M13.10 Monoarthritis, not elsewhere classified, unspecified site
- M13.11 Monoarthritis, not elsewhere classified, shoulder (also a header)
- M13.12 Monoarthritis, not elsewhere classified, elbow (also a header)
- M13.13 Monoarthritis, not elsewhere classified, wrist (also a header)
- M13.14 Monoarthritis, not elsewhere classified, hand (also a header)
- M13.15 Monoarthritis, not elsewhere classified, hip (also a header)
- M13.16 Monoarthritis, not elsewhere classified, knee (also a header)
- M13.17 Monoarthritis, not elsewhere classified, ankle and foot (also a header)
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 Monoarthritis, not elsewhere classified
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)
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M13.0 | Polyarthritis, unspecified | Valid |
| M13.8 | Other specified arthritis | Not billable |