ICD-10 G73.7
Billable / SpecificMyopathy in diseases classified elsewhere
About ICD-10-CM G73.7
ICD-10-CM code G73.7 represents Myopathy in diseases classified elsewhere. This is a billable/specific code in the Nervous System chapter (block G73). The 2026 edition of ICD-10-CM G73.7 became effective on October 1, 2025.
Type 1 Excludes
Pure excludes, these codes can never be coded together with G73.7. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- myopathy in:
- rheumatoid arthritis (M05.32)
- sarcoidosis (D86.87)
- scleroderma (M34.82)
- Sjögren syndrome (M35.03)
- systemic lupus erythematosus (M32.19)
Coding Notes
Code First
- underlying disease, such as:
- glycogen storage disease (E74.0-)
- hyperparathyroidism (E21.0, E21.3)
- hypoparathyroidism (E20.-)
- lipid storage disorders (E75.-)
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 G73.7
Local Coverage Determinations (LCDs) from CMS MACs that list G73.7 as a covered diagnosis.
Showing top 10 of 229 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing G73.7.
5 Aetna
1 Cigna
5 Medicare
CPT Codes Commonly Billed with G73.7
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 G73.7 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 |
|---|---|---|
| G73.7 | 3595 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To G73.7
Other codes in section G70-G73 (Diseases of myoneural junction and muscle).
ICD-10 G73.7, Billing FAQ
Is ICD-10 code G73.7 billable? +
Yes, G73.7 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 1 Excludes for G73.7? +
Type 1 Excludes (never code together with G73.7): myopathy in:; rheumatoid arthritis (M05.32); sarcoidosis (D86.87)
What ICD-9 codes does G73.7 map to? +
Per CMS GEMs, G73.7 maps to ICD-9 codes: 3595. 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 1, 2026.
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