ICD-10-CM
ICD-10 code for Hip osteoarthritis: M16.9
The CDC title for "Hip osteoarthritis" is M16 (Osteoarthritis of hip), a header that is not billable. When nothing more specific is documented, the billable code is M16.9, Osteoarthritis of hip, unspecified.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under M16, then other CDC titles that name osteoarthritis of hip
A header groups codes and is not billed. A billable code is one you can report.
- M16Osteoarthritis of hipHeader
- M16.0Bilateral primary osteoarthritis of hipBillable
- M16.1Unilateral primary osteoarthritis of hipHeader
- M16.10Unilateral primary osteoarthritis, unspecified hipBillable
- M16.11Unilateral primary osteoarthritis, right hipBillable
- M16.12Unilateral primary osteoarthritis, left hipBillable
- M16.2Bilateral osteoarthritis resulting from hip dysplasiaBillable
- M16.3Unilateral osteoarthritis resulting from hip dysplasiaHeader
- M16.30Unilateral osteoarthritis resulting from hip dysplasia, unspecified hipBillable
- M16.31Unilateral osteoarthritis resulting from hip dysplasia, right hipBillable
- M16.32Unilateral osteoarthritis resulting from hip dysplasia, left hipBillable
- M16.4Bilateral post-traumatic osteoarthritis of hipBillable
- M16.5Unilateral post-traumatic osteoarthritis of hipHeader
- M16.50Unilateral post-traumatic osteoarthritis, unspecified hipBillable
- M16.51Unilateral post-traumatic osteoarthritis, right hipBillable
- M16.52Unilateral post-traumatic osteoarthritis, left hipBillable
- M16.6Other bilateral secondary osteoarthritis of hipBillable
- M16.7Other unilateral secondary osteoarthritis of hipBillable
- M16.9Osteoarthritis of hip, unspecifiedBillable
Related conditions
Related pages
- M16.9 code detailsNotes, nearby codes, CMS-HCC group
- Category M16Every code under it
- Chapter 13Diseases of the musculoskeletal system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Hip osteoarthritis?
The CDC title for "Hip osteoarthritis" is M16 (Osteoarthritis of hip), a header that is not billable. When nothing more specific is documented, the billable code is M16.9, Osteoarthritis of hip, unspecified.
Is M16.9 billable?
Yes. M16.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is M16.9 in?
Chapter 13. Diseases of the musculoskeletal system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.