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M18.3 - Unilateral post-traumatic osteoarthritis of first carpometacarpal joint


The ICD 10 Code for Unilateral post-traumatic osteoarthritis of first carpometacarpal joint is listed as M18.3.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: M18.3
Description: Unilateral post-traumatic osteoarthritis of first carpometacarpal joint
  • Post-traumatic osteoarthritis of first carpometacarpal joint NOS
Chapter Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block Osteoarthritis (M15-M19)
Parent M18 - Osteoarthritis of first carpometacarpal joint
ICD-10-CM Children (deeper level / typically more specific) of M18.3:
M18.30 - Unilateral post-traumatic osteoarthritis of first carpometacarpal joint, unspecified hand
M18.31 - Unilateral post-traumatic osteoarthritis of first carpometacarpal joint, right hand
M18.32 - Unilateral post-traumatic osteoarthritis of first carpometacarpal joint, left hand
ICD-10-CM Siblings (same level / similar specificity) of M18.3:
M18.0 - Bilateral primary osteoarthritis of first carpometacarpal joints
M18.1 - Unilateral primary osteoarthritis of first carpometacarpal joint
M18.2 - Bilateral post-traumatic osteoarthritis of first carpometacarpal joints
M18.4 - Other bilateral secondary osteoarthritis of first carpometacarpal joints
M18.5 - Other unilateral secondary osteoarthritis of first carpometacarpal joint
M18.9 - Osteoarthritis of first carpometacarpal joint, unspecified