| ICD-10 Code | Description |
| M22.00 | Recurrent dislocation of patella, unspecified knee |
| M22.01 | Recurrent dislocation of patella, right knee |
| M22.02 | Recurrent dislocation of patella, left knee |
| M22.10 | Recurrent subluxation of patella, unspecified knee |
| M22.11 | Recurrent subluxation of patella, right knee |
| M22.12 | Recurrent subluxation of patella, left knee |
| M22.2X1 | Patellofemoral disorders, right knee |
| M22.2X2 | Patellofemoral disorders, left knee |
| M22.2X9 | Patellofemoral disorders, unspecified knee |
| M22.3X1 | Other derangements of patella, right knee |
| M22.3X2 | Other derangements of patella, left knee |
| M22.3X9 | Other derangements of patella, unspecified knee |
| M22.40 | Chondromalacia patellae, unspecified knee |
| M22.41 | Chondromalacia patellae, right knee |
| M22.42 | Chondromalacia patellae, left knee |
| M22.8X1 | Other disorders of patella, right knee |
| M22.8X2 | Other disorders of patella, left knee |
| M22.8X9 | Other disorders of patella, unspecified knee |
| M22.90 | Unspecified disorder of patella, unspecified knee |
| M22.91 | Unspecified disorder of patella, right knee |
| M22.92 | Unspecified disorder of patella, left knee |
