Diagnosis Code


Code Information

Diagnosis Code: H46.9

Short Description: Unspecified optic neuritis

Long Description: Unspecified optic neuritis

The code H46.9 is VALID for claim submission

Code Classification:

  • Diseases of the eye and adnexa (H00–H59)
    • Disorders of optic nerve and visual pathways (H46-H47)
      • Optic neuritis (H46)
        • H46.9 Unspecified optic neuritis

Code Version: 2020 ICD-10-CM


  • Bilateral optic neuritis
  • Disorder of optic tract
  • Infection causing inflammation of optic nerve
  • Inflammatory disorder of optic tract
  • Neuritis of left optic nerve
  • Neuritis of right optic nerve
  • Optic neuritis
  • Recurrent optic neuritis

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
H46.9 Right Arrow 377.30 Optic neuritis NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
H46 Optic neuritis
H46.0 Optic papillitis
H46.00 Optic papillitis, unspecified eye
H46.01 Optic papillitis, right eye
H46.02 Optic papillitis, left eye
H46.03 Optic papillitis, bilateral
H46.1 Retrobulbar neuritis
H46.10 Retrobulbar neuritis, unspecified eye
H46.11 Retrobulbar neuritis, right eye
H46.12 Retrobulbar neuritis, left eye
H46.13 Retrobulbar neuritis, bilateral
H46.2 Nutritional optic neuropathy
H46.3 Toxic optic neuropathy
H46.8 Other optic neuritis

This page was last updated on: 10/1/2019