G44.009

✓ Billable

Cluster headache syndrome, unspecified, not intractable

Diseases of the nervous system (G00-G99)

Also Known As

Cluster headache syndrome NOS

✅ No additional coding notes for G44.009

🧪 Validate Combinations

Add G44.009 to the Excludes Checker to validate against your full code list.

Code Information

CodeG44.009

BillableYes

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)