G43.C1

✓ Billable

Periodic headache syndromes in child or adult, intractable

Diseases of the nervous system (G00-G99)

Also Known As

Periodic headache syndromes in child or adult, with refractory migraine

✅ No additional coding notes for G43.C1

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Code Information

CodeG43.C1

BillableYes

ParentG43.C

CategoryDiseases of the nervous system (G00-G99)

Excludes10 rule(s)

Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)