| G70 | Myasthenia gravis and other myoneural disorders | NON-BILLABLE CODE |
| G70.0 | Myasthenia gravis | NON-BILLABLE CODE |
| G70.00 | Myasthenia gravis without (acute) exacerbation | BILLABLE CODE |
| G70.01 | Myasthenia gravis with (acute) exacerbation | BILLABLE CODE |
| G70.1 | Toxic myoneural disorders | BILLABLE CODE |
| G70.2 | Congenital and developmental myasthenia | BILLABLE CODE |
| G70.8 | Other specified myoneural disorders | NON-BILLABLE CODE |
| G70.81 | Lambert-Eaton syndrome in disease classified elsewhere | BILLABLE CODE |
| G70.89 | Other specified myoneural disorders | BILLABLE CODE |
| G70.9 | Myoneural disorder, unspecified | BILLABLE CODE |
