ICD-10-CM · Chapter 13 · M00-M99
M17 Osteoarthritis of knee
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| M17..0 | Bilateral primary osteoarthritis of knee | Yes |
| M17..1 | Unilateral primary osteoarthritis of knee | No |
| M17..10 | Unilateral primary osteoarthritis, unspecified knee | Yes |
| M17..11 | Unilateral primary osteoarthritis, right knee | Yes |
| M17..12 | Unilateral primary osteoarthritis, left knee | Yes |
| M17..2 | Bilateral post-traumatic osteoarthritis of knee | Yes |
| M17..3 | Unilateral post-traumatic osteoarthritis of knee | No |
| M17..30 | Unilateral post-traumatic osteoarthritis, unspecified knee | Yes |
| M17..31 | Unilateral post-traumatic osteoarthritis, right knee | Yes |
| M17..32 | Unilateral post-traumatic osteoarthritis, left knee | Yes |
| M17..4 | Other bilateral secondary osteoarthritis of knee | Yes |
| M17..5 | Other unilateral secondary osteoarthritis of knee | Yes |
| M17..9 | Osteoarthritis of knee, unspecified | Yes |
Last reviewed: September 2026