M18.9
Arthrosis of first carpometacarpal joint, unspecified
Sibling codes
M18Arthrosis of first carpometacarpal jointM18.0Primary arthrosis of first carpometacarpal joints, bilateralM18.1Other primary arthrosis of first carpometacarpal jointM18.2Post-traumatic arthrosis of first carpometacarpal joints, bilateralM18.3Other post-traumatic arthrosis of first carpometacarpal jointM18.4Other secondary arthrosis of first carpometacarpal joints, bilateralM18.5Other secondary arthrosis of first carpometacarpal joint