Secondary osteoarthritis of first carpometacarpal joint NOS
M18.5 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
Short description: Oth unil secondary osteoarth of first carpometacarp joint
The 2023 edition of ICD-10-CM M18.5 became effective on October 1, 2022.
This is the American ICD-10-CM version of M18.5 – other international versions of ICD-10 M18.5 may differ.