M22.8 – Other disorders of patella
ICD-10-CM 2027 diagnosis code · Other joint disorders
ICD-10-CM code
M22.8
- Code
M22.8(claims format:M228)- Description
- Other disorders of patella
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M20-M25 Other joint disorders
- Parent codes
- M22
Billable codes under M22.8
M22.8 is a header code and cannot be used on claims. Choose the most specific code:
- M22.8X – Other disorders of patellaHeader (more codes below)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M22 – Disorder of patella
Excludes2 (not included here):
- traumatic dislocation of patella (S83.0-)
Block M20-M25
Related codes in M22
Frequently asked questions
What is ICD-10 code M22.8?
M22.8 is the ICD-10-CM code for other disorders of patella, in the block M20-M25 (Other joint disorders).
Is M22.8 a billable code?
No. M22.8 is a header code with more specific child codes; report one of the billable codes listed above.
What category does M22.8 belong to?
It belongs to category M22 – Disorder of patella.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.