Disorders of optic nerve and visual pathways (H46-H47) ICD-10-CM
The H46–H47 section covers disorders of optic nerve and visual pathways with 122 ICD-10-CM diagnosis codes, of which 92 are billable in fiscal year 2027. The section is organized into the 2 code ranges listed below.
Code Ranges in This Section 2 ranges · 122 codes
| Code Range | Title | Codes | Billable |
|---|---|---|---|
| H46 | Optic neuritis (H46) | 15 | 12 |
| H47 | Other disorders of optic [2nd] nerve and visual pathways (H47) | 107 | 80 |
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the H46–H47 Code Range
These conditions affect the optic nerve and the pathways involved in vision. Optic neuritis is inflammation of the optic nerve, either within the eye or behind it.
H46 groups optic neuritis by type, including optic papillitis, retrobulbar neuritis, nutritional optic neuropathy, and toxic optic neuropathy. H47 groups other disorders by the part affected, including the optic nerve, optic disc, optic chiasm, other visual pathways, and visual cortex. It also identifies papilledema and optic atrophy separately.
Questions About This Page
How many codes are in the H46-H47 range?
The H46-H47 range contains 122 ICD-10-CM diagnosis codes in FY 2027. 92 of them are billable, and the rest are category headers that organize the section.
What conditions does H46-H47 cover?
The range covers disorders of optic nerve and visual pathways. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
