ICD-10 M77.20
Billable / SpecificPeriarthritis, unspecified wrist
About ICD-10-CM M77.20
ICD-10-CM code M77.20 represents Periarthritis, unspecified wrist. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M77). The 2026 edition of ICD-10-CM M77.20 became effective on October 1, 2025.
Medicare LCD Coverage for M77.20
Local Coverage Determinations (LCDs) from CMS MACs that list M77.20 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 M77.20.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but M77.20 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with M77.20
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
Convert M77.20 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 |
|---|---|---|
| M77.20 | 7264 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M77.20
Other codes in section M70-M79 (Other soft tissue disorders).
ICD-10 M77.20, Billing FAQ
Is ICD-10 code M77.20 billable? +
Yes, M77.20 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with M77.20? +
Procedures frequently paired with M77.20 include: 20605, 97035.
What ICD-9 codes does M77.20 map to? +
Per CMS GEMs, M77.20 maps to ICD-9 codes: 7264. 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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