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ICD-10-CM Current in FY 2027

H46.1

Retrobulbar neuritis

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where H46.1 sits in the official hierarchy. Each level is the code it is classified under.

  1. H46 Parent Optic neuritis
  2. H46.1 This code Retrobulbar neuritis

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Inclusion Terms

Retrobulbar neuritis NOS

Excludes1

syphilitic retrobulbar neuritis ( A52.15 )

Excludes2

ischemic optic neuropathy ( H47.01- )

Inherited from H46 — Optic neuritis

Excludes2

neuromyelitis optica [Devic] ( G36.0 )

Inherited from H46 — Optic neuritis

More Specific Codes

4 codes under H46.1

Version History

How H46.1 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Retrobulbar neuritis

  2. FY 2026 Effective

    Unchanged

    Retrobulbar neuritis

Related Codes

Other codes under H46

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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