ICD-10-CM › M00-M99 › M20-M25 › M22.1 Recurrent subluxation of patella › M22.12
Recurrent subluxation of patella, left knee
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 Recurrent subluxation of patella, left knee
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 M22 Disorder of patella
Excludes2 - not included here
- traumatic dislocation of patella (S83.0-)
Inherited from the M20-M25 section Other joint disorders (M20-M25)
Excludes2 - not included here
- joints of the spine (M40-M54)
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.
- Change > joint
- Mushrooming hip
- Change > hip joint
- Dislocation > chronic
- Dislocation > partial
- Derangement > shoulder
- Dislocation > habitual
- Dislocation > incomplete
- Dislocation > knee > cap
- Subluxation > knee > cap
- Injury > knee > dislocation
- Dislocation > knee > patella
- Subluxation > knee > patella
- Dislocation > foot > recurrent
- Disorder > joint > derangement
- Derangement > joint > recurrent
- Dislocation > femur > distal end
- Dislocation > vertebra > partial
- Dislocation > recurrent > patella
- Subluxation > patella > recurrent
- Dislocation > tibia > proximal end
- Dislocation > fibula > proximal end
- Dislocation > tibiofibular > superior
- Derangement > cartilage NEC > recurrent
- Dislocation > recurrent > knee > patella
- Disorder > patella > recurrent > dislocation
- Disorder > patella > recurrent > subluxation
- Derangement > joint > dislocation > recurrent
- Disruption > ligament > knee > current injury
- Dislocation > patella > recurrent > incomplete
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M22.10 | Recurrent subluxation of patella, unspecified knee | Valid |
| M22.11 | Recurrent subluxation of patella, right knee | Valid |