G44.1

Billable

Vascular headache, not elsewhere classified

G44.1 is the ICD-10-CM code for Vascular headache, not elsewhere classified. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
G00-G99
Parent
G44
Edition
FY2026

G00-G99 Diseases of the nervous system

Excludes2 — not included here

  • cluster headache (G44.0)
  • complicated headache syndromes (G44.5-)
  • drug-induced headache (G44.4-)
  • migraine (G43.-)
  • other specified headache syndromes (G44.8-)
  • post-traumatic headache (G44.3-)
  • tension-type headache (G44.2-)

Frequently asked questions

What is ICD-10 code G44.1?
G44.1 is the ICD-10-CM code for "Vascular headache, not elsewhere classified". It falls under G00-G99 Diseases of the nervous system.
Is G44.1 a billable code?
Yes — G44.1 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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