G44.091
✓ BillableOther trigeminal autonomic cephalgias (TAC), intractable
Diseases of the nervous system (G00-G99)
✅ No additional coding notes for G44.091
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CodeG44.091
BillableYes
ParentG44.09
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)