G73: Disorders of myoneural junction and muscle in diseases classified elsewhere
Codes under G73 (Disorders of myoneural junction and muscle in diseases classified elsewhere). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| G73.1 | Lambert-Eaton syndrome in neoplastic disease | ✓ |
| G73.1 | Lambert-Eaton syndrome in neoplastic disease | ✓ |
| G73.3 | Myasthenic syndromes in other diseases classified elsewhere | ✓ |
| G73.3 | Myasthenic syndromes in other diseases classified elsewhere | ✓ |
| G73.7 | Myopathy in diseases classified elsewhere | ✓ |
| G73.7 | Myopathy in diseases classified elsewhere | ✓ |
Frequently asked questions
What is ICD-10-CM code G73?
G73 is an ICD-10-CM category covering Disorders of myoneural junction and muscle in diseases classified elsewhere. It contains 6 more specific diagnosis codes, 6 of which are billable.
Is G73 a billable code?
No — G73 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example G73.1 — Lambert-Eaton syndrome in neoplastic disease). 6 of the 6 codes under G73 are billable.
What codes fall under G73?
G73 includes G73.1, G73.1, G73.3, G73.3, G73.7, plus 1 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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