H47.42

Billable
ChapterH00–H59
Ranksubcategory
Official Description

Disorders of optic chiasm in (due to) neoplasm

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 7: Diseases of the Eye and Adnexa (H00-H59).
General instructions are available for the parent sections:
View CH7 NotesView H47.4 Notes

Clinical Hierarchy

CH7Diseases of the eye and adnexa (H00-H59)
H46-H47Disorders of optic nerve and visual pathways (H46-H47)
H47Other disorders of optic [2nd] nerve and visual pathways
H47.4Disorders of optic chiasm
H47.42Disorders of optic chiasm in (due to) neoplasm

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H47.42:

subcategoryH47.4
Disorders of optic chiasm
View context instructions
chapterCH7
Diseases of the eye and adnexa (H00-H59)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to H47.42. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths
Disorder (of)1 unique routes
optic
chiasm
due to
neoplasm→H47.42

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 091
Other Disorders of Nervous System with MCC
DRG 092
Other Disorders of Nervous System with CC
DRG 093
Other Disorders of Nervous System without CC/MCC

Cross Reference

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