ICD-10 G72.49
Billable / SpecificOther inflammatory and immune myopathies, not elsewhere classified
About ICD-10-CM G72.49
ICD-10-CM code G72.49 represents Other inflammatory and immune myopathies, not elsewhere classified. This is a billable/specific code in the Nervous System chapter (block G72). The 2026 edition of ICD-10-CM G72.49 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under G72.49. Per CMS ICD-10-CM Tabular 2026.
- Inflammatory myopathy NOS
Medicare Advantage HCC Impact
Capture this diagnosis annually for accurate risk adjustment. Missed HCC captures are the #1 revenue leak in Medicare Advantage risk programs.
Medicare LCD Coverage for G72.49
Local Coverage Determinations (LCDs) from CMS MACs that list G72.49 as a covered diagnosis.
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Commercial Payer Coverage
Coverage policies from major commercial payers referencing G72.49.
5 Medicare
CPT Codes Commonly Billed with G72.49
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
Convert G72.49 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 |
|---|---|---|
| G72.49 | 35979 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To G72.49
Other codes in section G70-G73 (Diseases of myoneural junction and muscle).
ICD-10 G72.49, Billing FAQ
Is ICD-10 code G72.49 billable? +
Yes, G72.49 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 G72.49? +
ICD-10 G72.49 includes: Inflammatory myopathy NOS.
What CPT codes are commonly billed with G72.49? +
Procedures frequently paired with G72.49 include: J9190, J9260, J9215.
What ICD-9 codes does G72.49 map to? +
Per CMS GEMs, G72.49 maps to ICD-9 codes: 35979. 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 July 16, 2026.
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