ICD-10 M26.609
Billable / SpecificUnspecified temporomandibular joint disorder, unspecified side
About ICD-10-CM M26.609
ICD-10-CM code M26.609 represents Unspecified temporomandibular joint disorder, unspecified side. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M26). The 2026 edition of ICD-10-CM M26.609 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under M26.609. Per CMS ICD-10-CM Tabular 2026.
- Temporomandibular joint disorder NOS
Medicare LCD Coverage for M26.609
Local Coverage Determinations (LCDs) from CMS MACs that list M26.609 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 M26.609.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but M26.609 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with M26.609
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.
Convert M26.609 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| M26.609 | 52460 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M26.609
Other codes in section M26-M27 (Dentofacial anomalies [including malocclusion] and other disorders of jaw).
ICD-10 M26.609, Billing FAQ
Is ICD-10 code M26.609 billable? +
Yes, M26.609 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to M26.609? +
ICD-10 M26.609 includes: Temporomandibular joint disorder NOS.
What ICD-9 codes does M26.609 map to? +
Per CMS GEMs, M26.609 maps to ICD-9 codes: 52460. Useful for legacy data review and historical claim analysis.
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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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