M18.1

Unilateral primary osteoarthritis of first carpometacarpal joint, unspecified hand

Unilateral primary osteoarthritis of first carpometacarpal joint, right hand

Unilateral primary osteoarthritis of first carpometacarpal joint, left hand

Bilateral primary osteoarthritis of first carpometacarpal joints

Bilateral post-traumatic osteoarthritis of first carpometacarpal joints

Unilateral post-traumatic osteoarthritis of first carpometacarpal joint

Other bilateral secondary osteoarthritis of first carpometacarpal joints

Other unilateral secondary osteoarthritis of first carpometacarpal joint

Osteoarthritis of first carpometacarpal joint, unspecified