M17 Osteoarthritis of kneeNon-billable header with 7 child codes.
M17.0 Bilateral primary osteoarthritis of kneeM17.1 Unilateral primary osteoarthritis of kneeM17.2 Bilateral post-traumatic osteoarthritis of kneeM17.3 Unilateral post-traumatic osteoarthritis of kneeM17.4 Other bilateral secondary osteoarthritis of kneeM17.5 Other unilateral secondary osteoarthritis of kneeM17.9 Osteoarthritis of knee, unspecifiedM12 Other and unspecified arthropathy ("arthrosis (M15-M19)")M13 Other arthritis ("arthrosis (M15-M19)")M13 Other arthritis ("osteoarthritis (M15-M19)")M13.8 Other specified arthritis ("osteoarthritis (M15-M19)")M15 Polyosteoarthritis ("bilateral involvement of single joint (M16-M19)")M12 Other and unspecified arthropathy ("arthrosis (M15-M19)")M13 Other arthritis ("arthrosis (M15-M19)")M13 Other arthritis ("osteoarthritis (M15-M19)")M13.8 Other specified arthritis ("osteoarthritis (M15-M19)")M15 Polyosteoarthritis ("bilateral involvement of single joint (M16-M19)")