| H46 | Optic neuritis |
| H46.0 | Optic papillitis |
| H46.00 | Optic papillitis, unspecified eye |
| H46.01 | Optic papillitis, right eye |
| H46.02 | Optic papillitis, left eye |
| H46.03 | Optic papillitis, bilateral |
| H46.1 | Retrobulbar neuritis |
| H46.10 | Retrobulbar neuritis, unspecified eye |
| H46.11 | Retrobulbar neuritis, right eye |
| H46.12 | Retrobulbar neuritis, left eye |
| H46.13 | Retrobulbar neuritis, bilateral |
| H46.2 | Nutritional optic neuropathy |
| H46.3 | Toxic optic neuropathy |
| H46.8 | Other optic neuritis |
| H46.9 | Unspecified optic neuritis |
| H47 | Other disorders of optic [2nd] nerve and visual pathways |
| H47.0 | Disorders of optic nerve, not elsewhere classified |
| H47.01 | Ischemic optic neuropathy |
| H47.011 | Ischemic optic neuropathy, right eye |
| H47.012 | Ischemic optic neuropathy, left eye |
| H47.013 | Ischemic optic neuropathy, bilateral |
| H47.019 | Ischemic optic neuropathy, unspecified eye |
| H47.02 | Hemorrhage in optic nerve sheath |
| H47.021 | Hemorrhage in optic nerve sheath, right eye |
| H47.022 | Hemorrhage in optic nerve sheath, left eye |
| H47.023 | Hemorrhage in optic nerve sheath, bilateral |
| H47.029 | Hemorrhage in optic nerve sheath, unspecified eye |
| H47.03 | Optic nerve hypoplasia |
| H47.031 | Optic nerve hypoplasia, right eye |
| H47.032 | Optic nerve hypoplasia, left eye |
| H47.033 | Optic nerve hypoplasia, bilateral |
| H47.039 | Optic nerve hypoplasia, unspecified eye |
| H47.09 | Other disorders of optic nerve, not elsewhere classified |
| H47.091 | Other disorders of optic nerve, not elsewhere classified, right eye |
| H47.092 | Other disorders of optic nerve, not elsewhere classified, left eye |
| H47.093 | Other disorders of optic nerve, not elsewhere classified, bilateral |
| H47.099 | Other disorders of optic nerve, not elsewhere classified, unspecified eye |
| H47.1 | Papilledema |
| H47.10 | Unspecified papilledema |
| H47.11 | Papilledema associated with increased intracranial pressure |
| H47.12 | Papilledema associated with decreased ocular pressure |
| H47.13 | Papilledema associated with retinal disorder |
| H47.14 | Foster-Kennedy syndrome |
| H47.141 | Foster-Kennedy syndrome, right eye |
| H47.142 | Foster-Kennedy syndrome, left eye |
| H47.143 | Foster-Kennedy syndrome, bilateral |
| H47.149 | Foster-Kennedy syndrome, unspecified eye |
| H47.2 | Optic atrophy |
| H47.20 | Unspecified optic atrophy |
| H47.21 | Primary optic atrophy |
| H47.211 | Primary optic atrophy, right eye |
| H47.212 | Primary optic atrophy, left eye |
| H47.213 | Primary optic atrophy, bilateral |
| H47.219 | Primary optic atrophy, unspecified eye |
| H47.22 | Hereditary optic atrophy |
| H47.23 | Glaucomatous optic atrophy |
| H47.231 | Glaucomatous optic atrophy, right eye |
| H47.232 | Glaucomatous optic atrophy, left eye |
| H47.233 | Glaucomatous optic atrophy, bilateral |
| H47.239 | Glaucomatous optic atrophy, unspecified eye |
| H47.29 | Other optic atrophy |
| H47.291 | Other optic atrophy, right eye |
| H47.292 | Other optic atrophy, left eye |
| H47.293 | Other optic atrophy, bilateral |
| H47.299 | Other optic atrophy, unspecified eye |
| H47.3 | Other disorders of optic disc |
| H47.31 | Coloboma of optic disc |
| H47.311 | Coloboma of optic disc, right eye |
| H47.312 | Coloboma of optic disc, left eye |
| H47.313 | Coloboma of optic disc, bilateral |
| H47.319 | Coloboma of optic disc, unspecified eye |
| H47.32 | Drusen of optic disc |
| H47.321 | Drusen of optic disc, right eye |
| H47.322 | Drusen of optic disc, left eye |
| H47.323 | Drusen of optic disc, bilateral |
| H47.329 | Drusen of optic disc, unspecified eye |
| H47.33 | Pseudopapilledema of optic disc |
| H47.331 | Pseudopapilledema of optic disc, right eye |
| H47.332 | Pseudopapilledema of optic disc, left eye |
| H47.333 | Pseudopapilledema of optic disc, bilateral |
| H47.339 | Pseudopapilledema of optic disc, unspecified eye |
| H47.39 | Other disorders of optic disc |
| H47.391 | Other disorders of optic disc, right eye |
| H47.392 | Other disorders of optic disc, left eye |
| H47.393 | Other disorders of optic disc, bilateral |
| H47.399 | Other disorders of optic disc, unspecified eye |
| H47.4 | Disorders of optic chiasm |
| H47.41 | Disorders of optic chiasm in (due to) inflammatory disorders |
| H47.42 | Disorders of optic chiasm in (due to) neoplasm |
| H47.43 | Disorders of optic chiasm in (due to) vascular disorders |
| H47.49 | Disorders of optic chiasm in (due to) other disorders |
| H47.5 | Disorders of other visual pathways |
| H47.51 | Disorders of visual pathways in (due to) inflammatory disorders |
| H47.511 | Disorders of visual pathways in (due to) inflammatory disorders, right side |
| H47.512 | Disorders of visual pathways in (due to) inflammatory disorders, left side |
| H47.519 | Disorders of visual pathways in (due to) inflammatory disorders, unspecified side |
| H47.52 | Disorders of visual pathways in (due to) neoplasm |
| H47.521 | Disorders of visual pathways in (due to) neoplasm, right side |
| H47.522 | Disorders of visual pathways in (due to) neoplasm, left side |
| H47.529 | Disorders of visual pathways in (due to) neoplasm, unspecified side |
| H47.53 | Disorders of visual pathways in (due to) vascular disorders |
| H47.531 | Disorders of visual pathways in (due to) vascular disorders, right side |
| H47.532 | Disorders of visual pathways in (due to) vascular disorders, left side |
| H47.539 | Disorders of visual pathways in (due to) vascular disorders, unspecified side |
| H47.6 | Disorders of visual cortex |
| H47.61 | Cortical blindness |
| H47.611 | Cortical blindness, right side of brain |
| H47.612 | Cortical blindness, left side of brain |
| H47.619 | Cortical blindness, unspecified side of brain |
| H47.62 | Disorders of visual cortex in (due to) inflammatory disorders |
| H47.621 | Disorders of visual cortex in (due to) inflammatory disorders, right side of brain |
| H47.622 | Disorders of visual cortex in (due to) inflammatory disorders, left side of brain |
| H47.629 | Disorders of visual cortex in (due to) inflammatory disorders, unspecified side of brain |
| H47.63 | Disorders of visual cortex in (due to) neoplasm |
| H47.631 | Disorders of visual cortex in (due to) neoplasm, right side of brain |
| H47.632 | Disorders of visual cortex in (due to) neoplasm, left side of brain |
| H47.639 | Disorders of visual cortex in (due to) neoplasm, unspecified side of brain |
| H47.64 | Disorders of visual cortex in (due to) vascular disorders |
| H47.641 | Disorders of visual cortex in (due to) vascular disorders, right side of brain |
| H47.642 | Disorders of visual cortex in (due to) vascular disorders, left side of brain |
| H47.649 | Disorders of visual cortex in (due to) vascular disorders, unspecified side of brain |
| H47.9 | Unspecified disorder of visual pathways |