| H4481 | Hemophthalmos |
| H44811 | Hemophthalmos, right eye |
| H44812 | Hemophthalmos, left eye |
| H44813 | Hemophthalmos, bilateral |
| H44819 | Hemophthalmos, unspecified eye |
| H4482 | Luxation of globe |
| H44821 | Luxation of globe, right eye |
| H44822 | Luxation of globe, left eye |
| H44823 | Luxation of globe, bilateral |
| H44829 | Luxation of globe, unspecified eye |
| H4489 | Other disorders of globe |
| H449 | Unspecified disorder of globe |
| H46 | Optic neuritis |
| H460 | Optic papillitis |
| H4600 | Optic papillitis, unspecified eye |
| H4601 | Optic papillitis, right eye |
| H4602 | Optic papillitis, left eye |
| H4603 | Optic papillitis, bilateral |
| H461 | Retrobulbar neuritis |
| H4610 | Retrobulbar neuritis, unspecified eye |
| H4611 | Retrobulbar neuritis, right eye |
| H4612 | Retrobulbar neuritis, left eye |
| H4613 | Retrobulbar neuritis, bilateral |
| H462 | Nutritional optic neuropathy |
| H463 | Toxic optic neuropathy |
| H468 | Other optic neuritis |
| H469 | Unspecified optic neuritis |
| H47 | Other disorders of optic [2nd] nerve and visual pathways |
| H470 | Disorders of optic nerve, not elsewhere classified |
| H4701 | Ischemic optic neuropathy |
| H47011 | Ischemic optic neuropathy, right eye |
| H47012 | Ischemic optic neuropathy, left eye |
| H47013 | Ischemic optic neuropathy, bilateral |
| H47019 | Ischemic optic neuropathy, unspecified eye |
| H4702 | Hemorrhage in optic nerve sheath |
| H47021 | Hemorrhage in optic nerve sheath, right eye |
| H47022 | Hemorrhage in optic nerve sheath, left eye |
| H47023 | Hemorrhage in optic nerve sheath, bilateral |
| H47029 | Hemorrhage in optic nerve sheath, unspecified eye |
| H4703 | Optic nerve hypoplasia |
| H47031 | Optic nerve hypoplasia, right eye |
| H47032 | Optic nerve hypoplasia, left eye |
| H47033 | Optic nerve hypoplasia, bilateral |
| H47039 | Optic nerve hypoplasia, unspecified eye |
| H4709 | Other disorders of optic nerve, not elsewhere classified |
| H47091 | Other disorders of optic nerve, not elsewhere classified, right eye |
| H47092 | Other disorders of optic nerve, not elsewhere classified, left eye |
| H47093 | Other disorders of optic nerve, not elsewhere classified, bilateral |
| H47099 | Other disorders of optic nerve, not elsewhere classified, unspecified eye |
| H471 | Papilledema |