H46

Non-billable

Optic neuritis

H46 is the ICD-10-CM code for Optic neuritis. It is a non-billable category code — use a more specific child code such as H46.0 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Subcodes
6
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

Excludes2 — not included here

  • ischemic optic neuropathy (H47.01-)
  • neuromyelitis optica [Devic] (G36.0)

Frequently asked questions

What is ICD-10 code H46?
H46 is the ICD-10-CM code for "Optic neuritis". It falls under H00-H59 Diseases of the eye and adnexa.
Is H46 a billable code?
No — H46 is a non-billable header code. Use a more specific child code (such as H46.0) for billing.
What are the subcodes of H46?
H46 has 6 more specific child codes, including H46.0, H46.1, H46.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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