G70: Myasthenia gravis and other myoneural disorders
Codes under G70 (Myasthenia gravis and other myoneural disorders). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| G70.0 | Myasthenia gravis | — |
| G70.0 | Myasthenia gravis | — |
| G70.00 | Myasthenia gravis without (acute) exacerbation | ✓ |
| G70.00 | Myasthenia gravis without (acute) exacerbation | ✓ |
| G70.01 | Myasthenia gravis with (acute) exacerbation | ✓ |
| G70.01 | Myasthenia gravis with (acute) exacerbation | ✓ |
| G70.1 | Toxic myoneural disorders | ✓ |
| G70.1 | Toxic myoneural disorders | ✓ |
| G70.2 | Congenital and developmental myasthenia | ✓ |
| G70.2 | Congenital and developmental myasthenia | ✓ |
| G70.8 | Other specified myoneural disorders | — |
| G70.8 | Other specified myoneural disorders | — |
| G70.9 | Myoneural disorder, unspecified | ✓ |
| G70.9 | Myoneural disorder, unspecified | ✓ |
| G70.80 | Lambert-Eaton syndrome, unspecified | ✓ |
| G70.80 | Lambert-Eaton syndrome, unspecified | ✓ |
| G70.81 | Lambert-Eaton syndrome in disease classified elsewhere | ✓ |
| G70.81 | Lambert-Eaton syndrome in disease classified elsewhere | ✓ |
| G70.89 | Other specified myoneural disorders | ✓ |
| G70.89 | Other specified myoneural disorders | ✓ |
Frequently asked questions
What is ICD-10-CM code G70?
G70 is an ICD-10-CM category covering Myasthenia gravis and other myoneural disorders. It contains 20 more specific diagnosis codes, 16 of which are billable.
Is G70 a billable code?
No — G70 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 G70.0 — Myasthenia gravis). 16 of the 20 codes under G70 are billable.
What codes fall under G70?
G70 includes G70.0, G70.0, G70.00, G70.00, G70.01, plus 15 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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