MCMedicalCodingSoftware
Free trial
H46.3

H46.3: Toxic optic neuropathy

Billable / specific codeICD-10-CM

H46.3 is a billable, specific ICD-10-CM code for toxic optic neuropathy. It is valid for submission on a claim.

Check H46.3 with the rest of the claim: free scrubber

Code first

The underlying condition must be sequenced before this code.

Excludes2 inherited from the categories above H46.3

Not part of this code, but both may be coded when both are present.

Written on H46: Optic neuritis

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

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

H46.3 is named in 16 Medicare coverage policies: 16 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
  • A56551Billing and Coding: Visual Fields Testing
  • A56672Billing and Coding: Electroretinography (ERG)
  • A56726Billing and Coding: Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography)

Alphabetic index entries that lead here

  • Neuritis›optic›toxic

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under H46

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.