ICD-10 M77.9
Billable / SpecificEnthesopathy, unspecified
About ICD-10-CM M77.9
ICD-10-CM code M77.9 represents Enthesopathy, unspecified. This is a billable/specific code in the Musculoskeletal and Connective Tissue chapter (block M77). The 2026 edition of ICD-10-CM M77.9 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under M77.9. Per CMS ICD-10-CM Tabular 2026.
- Bone spur NOS
- Capsulitis NOS
- Periarthritis NOS
- Tendinitis NOS
Medicare LCD Coverage for M77.9
Local Coverage Determinations (LCDs) from CMS MACs that list M77.9 as a covered diagnosis.
Showing top 2. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing M77.9.
3 Aetna
1 Medicare
CPT Codes Commonly Billed with M77.9
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 M77.9 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 |
|---|---|---|
| M77.9 | 72690 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To M77.9
Other codes in section M70-M79 (Other soft tissue disorders).
ICD-10 M77.9, Billing FAQ
Is ICD-10 code M77.9 billable? +
Yes, M77.9 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 M77.9? +
ICD-10 M77.9 includes: Bone spur NOS; Capsulitis NOS; Periarthritis NOS, and 1 more clinical synonyms.
What ICD-9 codes does M77.9 map to? +
Per CMS GEMs, M77.9 maps to ICD-9 codes: 72690. 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 June 2, 2026.
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