Disorder of patella (M22)
Browse all the diagnosis codes used for disorder of patella (m22). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.
Clinical Information
Chondromalacia Patellae - A degeneration of the ARTICULAR CARTILAGE of the PATELLA, caused by a decrease in sulfated MUCOPOLYSACCHARIDES in the ground substance. When accompanied by pain, it is sometimes considered part of or confused with PATELLOFEMORAL PAIN SYNDROME.
Instructional Notations
Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
- traumatic dislocation of patella S83.0
Diseases of the musculoskeletal system and connective tissue (M00–M99)
Other joint disorders (M20-M25)
M22 Disorder of patella
M22.0 Recurrent dislocation of patella
- M22.00 Recurrent dislocation of patella, unspecified knee
- M22.01 Recurrent dislocation of patella, right knee
- M22.02 Recurrent dislocation of patella, left knee
M22.1 Recurrent subluxation of patella
- M22.10 Recurrent subluxation of patella, unspecified knee
- M22.11 Recurrent subluxation of patella, right knee
- M22.12 Recurrent subluxation of patella, left knee
M22.2 Patellofemoral disorders
M22.2X Patellofemoral disorders
- M22.2X1 Patellofemoral disorders, right knee
- M22.2X2 Patellofemoral disorders, left knee
- M22.2X9 Patellofemoral disorders, unspecified knee
M22.3 Other derangements of patella
M22.3X Other derangements of patella
- M22.3X1 Other derangements of patella, right knee
- M22.3X2 Other derangements of patella, left knee
- M22.3X9 Other derangements of patella, unspecified knee
M22.4 Chondromalacia patellae
- M22.40 Chondromalacia patellae, unspecified knee
- M22.41 Chondromalacia patellae, right knee
- M22.42 Chondromalacia patellae, left knee
M22.8 Other disorders of patella
M22.8X Other disorders of patella
- M22.8X1 Other disorders of patella, right knee
- M22.8X2 Other disorders of patella, left knee
- M22.8X9 Other disorders of patella, unspecified knee
M22.9 Unspecified disorder of patella
- M22.90 Unspecified disorder of patella, unspecified knee
- M22.91 Unspecified disorder of patella, right knee
- M22.92 Unspecified disorder of patella, left knee
Disorder of patella (M22)