M18.12 - Unilateral primary osteoarthritis of first carpometacarpal joint, left hand
- Applicable to Unilateral primary osteoarthritis of first carpometacarpal joint, left hand
- The 2025 edition of ICD10-CM M18.12 became effective on October 1, 2024.
- This is the American ICD10-CM version of M18.12 - other international versions of ICD10 M18.12 may differ.
- M18.12 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The following codes above M18.12 contain annotation back-references that may be applicable to M18.12:
Chapter: M00-M99 Diseases of the musculoskeletal system and connective tissue
Section: M15-M19 Osteoarthritis
Category: M18 Osteoarthritis of first carpometacarpal joint
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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