M26.643
M26.643 — Arthritis of bilateral temporomandibular joint
Billable / specific codeICD-10-CMbilateral
M26.643 is a billable, specific ICD-10-CM code for arthritis of bilateral temporomandibular joint. It is valid for submission on a claim.
Risk adjustment
M26.643 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
M26.643 is named in 7 Medicare coverage policies — 1 listing it as supporting medical necessity, and 6 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A58865Billing 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
- A59434Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
Related codes at this level
Codes that share M26.64. If M26.643 is not quite right, the correct code is usually one of these.
Questions about M26.643
- Is M26.643 a billable ICD-10-CM code?
- Yes. M26.643 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does M26.643 sit in the tabular list?
- Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27).