M18Osteoarthritis of first carpometacarpal joint
ICD-10-CM category (non-billable header) code — part of Osteoarthritis (M15-M19)
Subcategories (7)
- M18.0 Bilateral primary osteoarth of first carpometacarp joints
- M18.1 Unilateral primary osteoarth of first carpometacarp joint
- M18.2 Bi post-trauma osteoarth of first carpometacarp joints
- M18.3 Unil post-trauma osteoarth of first carpometacarp joint
- M18.4 Oth bi secondary osteoarth of first carpometacarp joints
- M18.5 Oth unil secondary osteoarth of first carpometacarp joint
- M18.9 Osteoarthritis of first carpometacarpal joint, unspecified