H46 Optic neuritis
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The ICD-10-CM code for Optic neuritis is H46 (FY2026). It is a non-billable category code — select a more specific code below for claims.
Classification
- Section
- H46-H47: Disorders of optic nerve and visual pathways (H46-H47)
- Category H46
- 15 codes (12 billable)
- FY2026 Status
- Stable since FY2024
Official Coding Guidelines
Glaucoma (TOC entry)a. Glaucoma .............................................................................................................................. 48
Assigning glaucoma codes (use as many H40 codes as needed)Assign as many codes from category H40, Glaucoma, as needed to identify the type of glaucoma, the affected eye, and the glaucoma stage.
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026
References
Cite This Page
Reference H46 with the canonical source and edition:
H46 — Optic neuritis. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/H46
Canonical URL: https://icd10codingpro.com/codes/H46