M15 – Polyosteoarthritis
ICD-10-CM 2027 diagnosis code · Osteoarthritis
ICD-10-CM code
M15
- Code
M15(claims format:M15)- Description
- Polyosteoarthritis
- 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
- M15-M19 Osteoarthritis
Billable codes under M15
M15 is a header code and cannot be used on claims. Choose the most specific code:
- M15.0 – Primary generalized (osteo)arthritisBillable
- M15.1 – Heberden's nodes (with arthropathy)Billable
- M15.2 – Bouchard's nodes (with arthropathy)Billable
- M15.3 – Secondary multiple arthritisBillable
- M15.4 – Erosive (osteo)arthritisBillable
- M15.8 – Other polyosteoarthritisBillable
- M15.9 – Polyosteoarthritis, unspecifiedBillable
Notes for M15
Includes:
- arthritis of multiple sites
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block M15-M19
Excludes2 (not included here):
- osteoarthritis of spine (M47.-)
Frequently asked questions
What is ICD-10 code M15?
M15 is the ICD-10-CM code for polyosteoarthritis, in the block M15-M19 (Osteoarthritis).
Is M15 a billable code?
No. M15 is a header code with more specific child codes; report one of the billable codes listed above.
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.