M18.4
M18.4: Other bilateral secondary osteoarthritis of first carpometacarpal joints
Billable / specific codeICD-10-CMbilateral
M18.4 is a billable, specific ICD-10-CM code for other bilateral secondary osteoarthritis of first carpometacarpal joints. It is valid for submission on a claim.
Check M18.4 with the rest of the claim: free scrubberRisk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
M18.4 is named in 12 Medicare coverage policies: 5 listing it as supporting medical necessity, and 7 listing it as NOT covered. Which one applies depends on your Medicare contractor.
- A58865Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
- A58883Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
- A58893Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
- A59374Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
Alphabetic index entries that lead here
- Osteoarthritis›secondary›hand joint›first carpometacarpal joint›bilateral
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under M18
- M18.0Bilateral primary osteoarthritis of first carpometacarpal joints
- M18.1Unilateral primary osteoarthritis of first carpometacarpal joint
- M18.2Bilateral post-traumatic osteoarthritis of first carpometacarpal joints
- M18.3Unilateral post-traumatic osteoarthritis of first carpometacarpal joint
- M18.5Other unilateral secondary osteoarthritis of first carpometacarpal joint
- M18.9Osteoarthritis of first carpometacarpal joint, unspecified