10ICD Code Hub

M26.649

Billable code

Arthritis of unspecified temporomandibular joint

The ICD-10 code for arthritis of unspecified temporomandibular joint is M26.649.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

Associated MS-DRGs

M26.649 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.