M16.1
M16.1: Unilateral primary osteoarthritis of hip
Non-billable headerICD-10-CM
M16.1 is a non-billable header ICD-10-CM code for unilateral primary osteoarthritis of hip. It cannot be billed on its own: choose one of the more specific child codes below.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Primary osteoarthritis of hip NOS
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead M16.1
3 child codes. Green means billable.
Other codes under M16
- M16.0Bilateral primary osteoarthritis of hip
- M16.2Bilateral osteoarthritis resulting from hip dysplasia
- M16.3Unilateral osteoarthritis resulting from hip dysplasia
- M16.4Bilateral post-traumatic osteoarthritis of hip
- M16.5Unilateral post-traumatic osteoarthritis of hip
- M16.6Other bilateral secondary osteoarthritis of hip
- M16.7Other unilateral secondary osteoarthritis of hip
- M16.9Osteoarthritis of hip, unspecified