G43.009

Billable
ChapterG00–G99
Ranksubcategory
Official Description

Migraine without aura, not intractable, without status migrainosus

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
  • Migraine without aura NOS
General instructions are available for the parent sections:
View CH6 NotesView G43 NotesView G43.0 NotesView G43.00 Notes

Clinical Hierarchy

CH6Diseases of the nervous system (G00-G99)
G40-G47Episodic and paroxysmal disorders (G40-G47)
G43Migraine
G43.0Migraine without aura
G43.00Migraine without aura, not intractable
G43.009Migraine without aura, not intractable, without status migrainosus

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G43.009:

subcategoryG43.00
Migraine without aura, not intractable
View context instructions
subcategoryG43.0
Migraine without aura
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 G43.009. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths
Migraine (idiopathic)4 unique routes
without aura→G43.009(4 variants)
not intractable
without status migrainosus→G43.009
without mention of refractory migraine→G43.009(2 variants)
without status migrainosus→G43.009

MS-DRG Classification

2026 v43.1

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

DRG 102
Headaches with MCC
DRG 103
Headaches without MCC

Cross Reference

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