H46.1 Retrobulbar neuritis

Non-billable header with 4 child codes.

Applicable to

• Retrobulbar neuritis NOS

Excludes1 (never code together)

• syphilitic retrobulbar neuritis (A52.15)

Applies from H46 Optic neuritis

Excludes2 (not included here)

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

Codes under H46.1

• H46.10 Retrobulbar neuritis, unspecified eye
• H46.11 Retrobulbar neuritis, right eye
• H46.12 Retrobulbar neuritis, left eye
• H46.13 Retrobulbar neuritis, bilateral

Code annotations containing back-references to H46.1

Back-references to H46

• Type 1 Excludes: G36.0 Neuromyelitis optica [Devic] ("optic neuritis NOS (H46)")
• Type 2 Excludes: G52 Disorders of other cranial nerves ("disorders of optic [2nd] nerve (H46, H47.0)")

Diagnosis Index entries for H46.1

• Neuritis (rheumatoid) › optic (nerve) (hereditary) (sympathetic) › retrobulbar

Nearby 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 (this code)
• 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