Optic neuritis - H46

Excludes2: This note means that the conditions described by two codes are not usually associated with each other but can sometimes occur together.

Type 2 Excludes:

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

These ranges represents subcategories of Optic neuritis. The "H46" signifies that these are the diseases within this broad category.

Codes:

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