H46 - Optic neuritis
Excludes 2:
-ischemic optic neuropathy H47.01-)
-neuromyelitis optica [Devic] G36.0)
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
H46.9 - Unspecified optic neuritis