ICD-10-CM H46: Optic neuritis

ICD-10-CM Diagnosis Code (2025)

Official Description for H46

Optic neuritis

Coding Notes & Guidelines for H46

Excludes1: Not Coded Here

syphilitic retrobulbar neuritis (A52.15)

Excludes2: Not Included Here
  • ischemic optic neuropathy (H47.01-)
  • neuromyelitis optica [Devic] (G36.0)
Code First

(T51-T65) to identify cause

Inclusion Terms

Retrobulbar neuritis NOS

Child Codes (More Specific Codes for H46):

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

About ICD-10-CM Code H46 (Optic neuritis)

ICD-10-CM code H46 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM H46 became effective on October 1, 2024.

This page provides detailed information about H46 - Optic neuritis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Optic neuritis.