H46
⚠ Non-billable
Optic neuritis
ICD-10-CM · FY2026 · Diseases of the Eye and Adnexa
Code
H46
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Eye and Adnexa
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code H46?
ICD-10-CM code H46 represents Optic neuritis. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Eye and Adnexa chapter, effective October 1, 2025 – September 30, 2026.
Is H46 billable?
No. H46 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is H46 in?
H46 belongs to the Diseases of the Eye and Adnexa chapter (H00–H59) of ICD-10-CM.
Related codes in the H46 category
H46.0
Optic papillitis
Non-billable
H46.1
Retrobulbar neuritis
Non-billable
H46.2
Nutritional optic neuropathy
Billable
H46.3
Toxic optic neuropathy
Billable
H46.8
Other optic neuritis
Billable
H46.9
Unspecified optic neuritis
Billable
H46.00
Optic papillitis, unspecified eye
Billable
H46.01
Optic papillitis, right eye
Billable
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