M18.2

Bilateral primary osteoarthritis of first carpometacarpal joints

Unilateral primary osteoarthritis of first carpometacarpal joint

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