ICD-10 M26.649
Billable / SpecificArthritis of unspecified temporomandibular joint
About ICD-10-CM M26.649
ICD-10-CM code M26.649 represents Arthritis of unspecified temporomandibular joint. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M26). The 2026 edition of ICD-10-CM M26.649 became effective on October 1, 2025.
Medicare LCD Coverage for M26.649
Local Coverage Determinations (LCDs) from CMS MACs that list M26.649 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M26.649.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but M26.649 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with M26.649
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To M26.649
Other codes in section M26-M27 (Dentofacial anomalies [including malocclusion] and other disorders of jaw).
ICD-10 M26.649, Billing FAQ
Is ICD-10 code M26.649 billable? +
Yes, M26.649 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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