All ICD10 Codes

H46

Non-Billable
ChapterH00–H59
Rankcategory
Official Description

Optic neuritis

Use a more specific code (4 billable, 2 non-billable)
H46.0Optic papillitishas subcodesH46.1Retrobulbar neuritishas subcodesH46.2Nutritional optic neuropathyH46.3Toxic optic neuropathyH46.8Other optic neuritisH46.9Unspecified optic neuritis
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 7: Diseases of the Eye and Adnexa (H00-H59).

CH7 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury (trauma) of eye and orbit (S05.-)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • ischemic optic neuropathy (H47.01-)
  • neuromyelitis optica [Devic] (G36.0)

Clinical Hierarchy

BillableHas subcodes
CH7Diseases of the eye and adnexa (H00-H59)
H46-H47Disorders of optic nerve and visual pathways (H46-H47)
H46Optic neuritisNot billable
H46.0Optic papillitisSubcodes
H46.1Retrobulbar neuritisSubcodes
H46.2Nutritional optic neuropathyBillable
H46.3Toxic optic neuropathyBillable
H46.8Other optic neuritisBillable
H46.9Unspecified optic neuritisBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H46:

chapterCH7
Diseases of the eye and adnexa (H00-H59)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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