M17.9 Osteoarthritis of knee, unspecified
ICD-10-CM · CMS code reference
Official ICD-10-CM description: Osteoarthritis of knee, unspecified
Related codes
M17.0Bilateral primary osteoarthritis of knee ICD-10-CMM17.10Unilateral primary osteoarthritis, unspecified knee ICD-10-CMM17.11Unilateral primary osteoarthritis, right knee ICD-10-CMM17.12Unilateral primary osteoarthritis, left knee ICD-10-CMM17.2Bilateral post-traumatic osteoarthritis of knee ICD-10-CMM17.30Unilateral post-traumatic osteoarthritis, unspecified knee ICD-10-CMM17.31Unilateral post-traumatic osteoarthritis, right knee ICD-10-CMM17.32Unilateral post-traumatic osteoarthritis, left knee ICD-10-CM
Common questions
Is M17.9 a billable code?
Yes. M17.9 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.