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3. Chapter - M00-M99
4. Section - M15-M19
5. Category - M18
6. M18.31

M18.31 - Unilateral post-traumatic osteoarthritis of first carpometacarpal joint, right hand

• Applicable to Unilateral post-traumatic osteoarthritis of first carpometacarpal joint, right hand
• The 2025 edition of ICD10-CM M18.31 became effective on October 1, 2024.
• This is the American ICD10-CM version of M18.31 - other international versions of ICD10 M18.31 may differ.
• M18.31 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above M18.31 contain annotation back-references that may be applicable to M18.31:

• Chapter: M00-M99 - Diseases of the musculoskeletal system and connective tissue
• Section: M15-M19 - Osteoarthritis
• Category: M18 - Osteoarthritis of first carpometacarpal joint

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.