M22.1 vs M24.4
M22.1 (Recurrent subluxation of patella) compared with M24.4 (Recurrent dislocation of joint), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. M24.4 carries an Excludes2 note covering M22.1: “recurrent dislocation of patella (M22.0-M22.1)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| M22.1Recurrent subluxation of patella | M24.4Recurrent dislocation of joint | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) |
| Definition | Recurrent subluxation of patella is a non-billable ICD-10-CM category code (M22.1). | Recurrent dislocation of joint is a non-billable ICD-10-CM category code (M24.4). |
| Includes | Incomplete dislocation of patella | Recurrent subluxation of joint |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources