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G43.91

⚠ Non-billable (Header)

Migraine, unspecified, intractable

Diseases of the nervous system (G00-G99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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Also Known As

Migraine, unspecified, with refractory migraine
✅ No additional coding notes for G43.91

Child Codes (2)

G43.911Migraine, unspecified, intractable, with status migrainosusG43.919Migraine, unspecified, intractable, without status migrainosus

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Code Information

CodeG43.91
BillableNo — Header code
ParentG43.9
CategoryDiseases of the nervous system (G00-G99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)