G44.001

Billable

Cluster headache syndrome, unspecified, intractable

G44.001 is the ICD-10-CM code for Cluster headache syndrome, unspecified, intractable. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
G00-G99
Parent
G44.00
Edition
FY2026

G00-G99 Diseases of the nervous system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code G44.001?
G44.001 is the ICD-10-CM code for "Cluster headache syndrome, unspecified, intractable". It falls under G00-G99 Diseases of the nervous system.
Is G44.001 a billable code?
Yes — G44.001 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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