ICD-10-CM Section · H46-H47
Disorders of optic nerve and visual pathways
122 codes in this section
122
Total Codes
92
Billable
30
Header (Non-Billable)
2
Top-Level Codes
About Section H46-H47
Section H46-H47 (H46-H47) covers disorders of optic nerve and visual pathways. It sits within the Diseases of the eye and adnexa chapter (H00-H59). This section contains 122 ICD-10-CM codes, 92 billable diagnoses you can submit on a claim, and 30 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in H46-H47
Grouped by 3-character root code. Click any code for full detail.
H46
Optic neuritis
14 subcodes
| H46.0 | Optic papillitis | Header |
| H46.00 | Optic papillitis, unspecified eye | Billable |
| H46.01 | Optic papillitis, right eye | Billable |
| H46.02 | Optic papillitis, left eye | Billable |
| H46.03 | Optic papillitis, bilateral | Billable |
| H46.1 | Retrobulbar neuritis | Header |
| H46.10 | Retrobulbar neuritis, unspecified eye | Billable |
| H46.11 | Retrobulbar neuritis, right eye | Billable |
| H46.12 | Retrobulbar neuritis, left eye | Billable |
| H46.13 | Retrobulbar neuritis, bilateral | Billable |
| H46.2 | Nutritional optic neuropathy | Billable |
| H46.3 | Toxic optic neuropathy | Billable |
| H46.8 | Other optic neuritis | Billable |
| H46.9 | Unspecified optic neuritis | Billable |
H47
Other disorders of optic [2nd] nerve and visual pathways
106 subcodes
| H47.0 | Disorders of optic nerve, not elsewhere classified | Header |
| H47.01 | Ischemic optic neuropathy | Header |
| H47.011 | Ischemic optic neuropathy, right eye | Billable |
| H47.012 | Ischemic optic neuropathy, left eye | Billable |
| H47.013 | Ischemic optic neuropathy, bilateral | Billable |
| H47.019 | Ischemic optic neuropathy, unspecified eye | Billable |
| H47.02 | Hemorrhage in optic nerve sheath | Header |
| H47.021 | Hemorrhage in optic nerve sheath, right eye | Billable |
| H47.022 | Hemorrhage in optic nerve sheath, left eye | Billable |
| H47.023 | Hemorrhage in optic nerve sheath, bilateral | Billable |
| H47.029 | Hemorrhage in optic nerve sheath, unspecified eye | Billable |
| H47.03 | Optic nerve hypoplasia | Header |
| H47.031 | Optic nerve hypoplasia, right eye | Billable |
| H47.032 | Optic nerve hypoplasia, left eye | Billable |
| H47.033 | Optic nerve hypoplasia, bilateral | Billable |
| H47.039 | Optic nerve hypoplasia, unspecified eye | Billable |
| H47.09 | Other disorders of optic nerve, not elsewhere classified | Header |
| H47.091 | Other disorders of optic nerve, not elsewhere classified, right eye | Billable |
| H47.092 | Other disorders of optic nerve, not elsewhere classified, left eye | Billable |
| H47.093 | Other disorders of optic nerve, not elsewhere classified, bilateral | Billable |
| H47.099 | Other disorders of optic nerve, not elsewhere classified, unspecified eye | Billable |
| H47.1 | Papilledema | Header |
| H47.10 | Unspecified papilledema | Billable |
| H47.11 | Papilledema associated with increased intracranial pressure | Billable |
| H47.12 | Papilledema associated with decreased ocular pressure | Billable |
| H47.13 | Papilledema associated with retinal disorder | Billable |
| H47.14 | Foster-Kennedy syndrome | Header |
| H47.141 | Foster-Kennedy syndrome, right eye | Billable |
| H47.142 | Foster-Kennedy syndrome, left eye | Billable |
| H47.143 | Foster-Kennedy syndrome, bilateral | Billable |
| H47.149 | Foster-Kennedy syndrome, unspecified eye | Billable |
| H47.2 | Optic atrophy | Header |
| H47.20 | Unspecified optic atrophy | Billable |
| H47.21 | Primary optic atrophy | Header |
| H47.211 | Primary optic atrophy, right eye | Billable |
| H47.212 | Primary optic atrophy, left eye | Billable |
| H47.213 | Primary optic atrophy, bilateral | Billable |
| H47.219 | Primary optic atrophy, unspecified eye | Billable |
| H47.22 | Hereditary optic atrophy | Billable |
| H47.23 | Glaucomatous optic atrophy | Header |
| H47.231 | Glaucomatous optic atrophy, right eye | Billable |
| H47.232 | Glaucomatous optic atrophy, left eye | Billable |
| H47.233 | Glaucomatous optic atrophy, bilateral | Billable |
| H47.239 | Glaucomatous optic atrophy, unspecified eye | Billable |
| H47.29 | Other optic atrophy | Header |
| H47.291 | Other optic atrophy, right eye | Billable |
| H47.292 | Other optic atrophy, left eye | Billable |
| H47.293 | Other optic atrophy, bilateral | Billable |
| H47.299 | Other optic atrophy, unspecified eye | Billable |
| H47.3 | Other disorders of optic disc | Header |
| H47.31 | Coloboma of optic disc | Header |
| H47.311 | Coloboma of optic disc, right eye | Billable |
| H47.312 | Coloboma of optic disc, left eye | Billable |
| H47.313 | Coloboma of optic disc, bilateral | Billable |
| H47.319 | Coloboma of optic disc, unspecified eye | Billable |
| H47.32 | Drusen of optic disc | Header |
| H47.321 | Drusen of optic disc, right eye | Billable |
| H47.322 | Drusen of optic disc, left eye | Billable |
| H47.323 | Drusen of optic disc, bilateral | Billable |
| H47.329 | Drusen of optic disc, unspecified eye | Billable |
| H47.33 | Pseudopapilledema of optic disc | Header |
| H47.331 | Pseudopapilledema of optic disc, right eye | Billable |
| H47.332 | Pseudopapilledema of optic disc, left eye | Billable |
| H47.333 | Pseudopapilledema of optic disc, bilateral | Billable |
| H47.339 | Pseudopapilledema of optic disc, unspecified eye | Billable |
| H47.39 | Other disorders of optic disc | Header |
| H47.391 | Other disorders of optic disc, right eye | Billable |
| H47.392 | Other disorders of optic disc, left eye | Billable |
| H47.393 | Other disorders of optic disc, bilateral | Billable |
| H47.399 | Other disorders of optic disc, unspecified eye | Billable |
| H47.4 | Disorders of optic chiasm | Header |
| H47.41 | Disorders of optic chiasm in (due to) inflammatory disorders | Billable |
| H47.42 | Disorders of optic chiasm in (due to) neoplasm | Billable |
| H47.43 | Disorders of optic chiasm in (due to) vascular disorders | Billable |
| H47.49 | Disorders of optic chiasm in (due to) other disorders | Billable |
| H47.5 | Disorders of other visual pathways | Header |
| H47.51 | Disorders of visual pathways in (due to) inflammatory disorders | Header |
| H47.511 | Disorders of visual pathways in (due to) inflammatory disorders, right side | Billable |
| H47.512 | Disorders of visual pathways in (due to) inflammatory disorders, left side | Billable |
| H47.519 | Disorders of visual pathways in (due to) inflammatory disorders, unspecified side | Billable |
| H47.52 | Disorders of visual pathways in (due to) neoplasm | Header |
| H47.521 | Disorders of visual pathways in (due to) neoplasm, right side | Billable |
| H47.522 | Disorders of visual pathways in (due to) neoplasm, left side | Billable |
| H47.529 | Disorders of visual pathways in (due to) neoplasm, unspecified side | Billable |
| H47.53 | Disorders of visual pathways in (due to) vascular disorders | Header |
| H47.531 | Disorders of visual pathways in (due to) vascular disorders, right side | Billable |
| H47.532 | Disorders of visual pathways in (due to) vascular disorders, left side | Billable |
| H47.539 | Disorders of visual pathways in (due to) vascular disorders, unspecified side | Billable |
| H47.6 | Disorders of visual cortex | Header |
| H47.61 | Cortical blindness | Header |
| H47.611 | Cortical blindness, right side of brain | Billable |
| H47.612 | Cortical blindness, left side of brain | Billable |
| H47.619 | Cortical blindness, unspecified side of brain | Billable |
| H47.62 | Disorders of visual cortex in (due to) inflammatory disorders | Header |
| H47.621 | Disorders of visual cortex in (due to) inflammatory disorders, right side of brain | Billable |
| H47.622 | Disorders of visual cortex in (due to) inflammatory disorders, left side of brain | Billable |
| H47.629 | Disorders of visual cortex in (due to) inflammatory disorders, unspecified side of brain | Billable |
| H47.63 | Disorders of visual cortex in (due to) neoplasm | Header |
| H47.631 | Disorders of visual cortex in (due to) neoplasm, right side of brain | Billable |
| H47.632 | Disorders of visual cortex in (due to) neoplasm, left side of brain | Billable |
| H47.639 | Disorders of visual cortex in (due to) neoplasm, unspecified side of brain | Billable |
| H47.64 | Disorders of visual cortex in (due to) vascular disorders | Header |
| H47.641 | Disorders of visual cortex in (due to) vascular disorders, right side of brain | Billable |
| H47.642 | Disorders of visual cortex in (due to) vascular disorders, left side of brain | Billable |
| H47.649 | Disorders of visual cortex in (due to) vascular disorders, unspecified side of brain | Billable |
| H47.9 | Unspecified disorder of visual pathways | Billable |
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Verified against the CMS 2026 code set on May 31, 2026.
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