| H47.20 | Unspecified optic atrophy | BILLABLE CODE |
| H47.21 | Primary optic atrophy | NON-BILLABLE CODE |
| H47.211 | Primary optic atrophy, right eye | BILLABLE CODE |
| H47.212 | Primary optic atrophy, left eye | BILLABLE CODE |
| H47.213 | Primary optic atrophy, bilateral | BILLABLE CODE |
| H47.219 | Primary optic atrophy, unspecified eye | BILLABLE CODE |
| H47.22 | Hereditary optic atrophy | BILLABLE CODE |
| H47.23 | Glaucomatous optic atrophy | NON-BILLABLE CODE |
| H47.231 | Glaucomatous optic atrophy, right eye | BILLABLE CODE |
| H47.232 | Glaucomatous optic atrophy, left eye | BILLABLE CODE |
| H47.233 | Glaucomatous optic atrophy, bilateral | BILLABLE CODE |
| H47.239 | Glaucomatous optic atrophy, unspecified eye | BILLABLE CODE |
| H47.29 | Other optic atrophy | NON-BILLABLE CODE |
| H47.291 | Other optic atrophy, right eye | BILLABLE CODE |
| H47.292 | Other optic atrophy, left eye | BILLABLE CODE |
| H47.293 | Other optic atrophy, bilateral | BILLABLE CODE |
| H47.299 | Other optic atrophy, unspecified eye | BILLABLE CODE |
