ICD-10 M24.662
Billable / SpecificAnkylosis, left knee
About ICD-10-CM M24.662
ICD-10-CM code M24.662 represents Ankylosis, left knee. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M24). The 2026 edition of ICD-10-CM M24.662 became effective on October 1, 2025.
Medicare LCD Coverage for M24.662
Local Coverage Determinations (LCDs) from CMS MACs that list M24.662 as a covered diagnosis.
Showing top 10 of 393 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M24.662.
5 Medicare
CPT Codes Commonly Billed with M24.662
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 M24.662 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 |
|---|---|---|
| M24.662 | 71856 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M24.662
Other codes in section M20-M25 (Other joint disorders).
ICD-10 M24.662, Billing FAQ
Is ICD-10 code M24.662 billable? +
Yes, M24.662 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does M24.662 map to? +
Per CMS GEMs, M24.662 maps to ICD-9 codes: 71856. 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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