M18.5 - Other unilateral secondary osteoarthritis of first carpometacarpal joint

The ICD 10 Code for Other unilateral secondary osteoarthritis of first carpometacarpal joint is listed as M18.5.
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:	M18.5
Description:	Other unilateral secondary osteoarthritis of first carpometacarpal joint Secondary 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 M18.5:
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
ICD-10-CM Siblings (same level / similar specificity) of M18.5:
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
M18.3 - Unilateral post-traumatic osteoarthritis of first carpometacarpal joint
M18.4 - Other bilateral secondary osteoarthritis of first carpometacarpal joints
M18.9 - Osteoarthritis of first carpometacarpal joint, unspecified