H46 ICD-10-CM Code: Optic neuritis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
H46Optic neuritis
ICD-10-CM diagnosis code · United States clinical modification
Where H46 sits
- 1
Chapter 7
Diseases of the eye and adnexa (H00-H59)
- 2
Section
Disorders of optic nerve and visual pathways (H46-H47)
- 3
Category H46
Optic neuritis
- 4
Code H46
Optic neuritis
Codes under H46
H46 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for H46.
Code first
No “code first” instruction is listed for H46.
Use additional code
No “use additional code” instruction is listed for H46.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for H46.
Excludes2
Conditions not included here that may be reported separately when present.
- ischemic optic neuropathy (H47.01-)
- neuromyelitis optica [Devic] (G36.0)
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code H46 mean?
H46 is the FY 2027 U.S. ICD-10-CM code for “Optic neuritis.”
Is H46 a billable or specific ICD-10-CM code?
No. H46 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is H46 located in ICD-10-CM?
H46 is listed in Chapter 7, Diseases of the eye and adnexa (H00-H59), within Disorders of optic nerve and visual pathways (H46-H47) (H46–H47), under category H46, Optic neuritis.
What coding notes are listed for H46?
No inclusion terms are listed for H46 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: ischemic optic neuropathy (H47.01-); neuromyelitis optica [Devic] (G36.0).