G47.419

Billable

ChapterG00–G99

Ranksubcategory

Official Description

Narcolepsy without cataplexy

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 6: Diseases of the Nervous System (G00-G99).

Instructional Notes

Includes

Narcolepsy NOS

General instructions are available for the parent sections:

View CH6 Notes View G47 Notes

Clinical Hierarchy

CH6Diseases of the nervous system (G00-G99)

G40-G47Episodic and paroxysmal disorders (G40-G47)

G47Sleep disorders

G47.4Narcolepsy and cataplexy

G47.41Narcolepsy

G47.419Narcolepsy without cataplexy

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G47.419:

categoryG47

Sleep disorders

View context instructions

chapterCH6

Diseases of the nervous system (G00-G99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to G47.419. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

3 raw paths

Gélineau's syndrome1 unique routes

Direct index entry→G47.419

Narcolepsy1 unique routes

Direct index entry→G47.419

Syndrome1 unique routes

Gelineau's→G47.419

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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