ICD-10 M25.261
Billable / SpecificFlail joint, right knee
About ICD-10-CM M25.261
ICD-10-CM code M25.261 represents Flail joint, right knee. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M25). The 2026 edition of ICD-10-CM M25.261 became effective on October 1, 2025.
Medicare LCD Coverage for M25.261
Local Coverage Determinations (LCDs) from CMS MACs that list M25.261 as a covered diagnosis.
Showing top 10 of 285 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M25.261.
5 Medicare
2 Aetna
CPT Codes Commonly Billed with M25.261
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 M25.261 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 |
|---|---|---|
| M25.261 | 71886 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M25.261
Other codes in section M20-M25 (Other joint disorders).
ICD-10 M25.261, Billing FAQ
Is ICD-10 code M25.261 billable? +
Yes, M25.261 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does M25.261 map to? +
Per CMS GEMs, M25.261 maps to ICD-9 codes: 71886. 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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