ICD-10-CM > H00-H59 > H46-H47 > H46 H46 Optic neuritis Non-Billable/Non-Specific Type 2 Excludes ischemic optic neuropathy (H47.01-)neuromyelitis optica [Devic] (G36.0) Codes H46.0Optic papillitisH46.00Optic papillitis, unspecified eyeH46.01Optic papillitis, right eyeH46.02Optic papillitis, left eyeH46.03Optic papillitis, bilateralH46.1Retrobulbar neuritisH46.10Retrobulbar neuritis, unspecified eyeH46.11Retrobulbar neuritis, right eyeH46.12Retrobulbar neuritis, left eyeH46.13Retrobulbar neuritis, bilateralH46.2Nutritional optic neuropathyH46.3Toxic optic neuropathyH46.8Other optic neuritisH46.9Unspecified optic neuritis