ICD-10 M65.971
Billable / SpecificUnspecified synovitis and tenosynovitis, right ankle and foot
About ICD-10-CM M65.971
ICD-10-CM code M65.971 represents Unspecified synovitis and tenosynovitis, right ankle and foot. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M65). The 2026 edition of ICD-10-CM M65.971 became effective on October 1, 2025.
Medicare LCD Coverage for M65.971
Local Coverage Determinations (LCDs) from CMS MACs that list M65.971 as a covered diagnosis.
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Commercial Payer Coverage
Coverage policies from major commercial payers referencing M65.971.
5 Medicare
CPT Codes Commonly Billed with M65.971
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 M65.971
Other codes in section M65-M67 (Disorders of synovium and tendon).
ICD-10 M65.971, Billing FAQ
Is ICD-10 code M65.971 billable? +
Yes, M65.971 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 July 16, 2026.
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