M18.5: Other unilateral secondary osteoarthritis of first carpometacarpal joint inclusionTerm Secondary osteoarthritis of first carpometacarpal joint NOS |
| M18.50: Other unilateral secondary osteoarthritis of first carpometacarpal joint, unspecified hand |
| M18.51: Other unilateral secondary osteoarthritis of first carpometacarpal joint, right hand |
| M18.52: Other unilateral secondary osteoarthritis of first carpometacarpal joint, left hand |