---
title: "ICD-10-CM G44.1: Vascular headache, not elsewhere classified | BillingBrief"
description: "ICD-10-CM code G44.1: Vascular headache, not elsewhere classified. Category, related codes, and the official source, in plain English."
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language: "en"
---

# G44.1 Vascular headache, not elsewhere classified

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Vascular headache, not elsewhere classified

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

-   headache NOS ([R51.9](https://billingbrief.com/icd10/r51.9/))

### Excludes2

Not part of this code, but both can be coded when both are documented.

-   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-)
-   atypical facial pain (G50.1)
-   headache due to lumbar puncture (G97.1)
-   migraines (G43.-)
-   trigeminal neuralgia (G50.0)

## Related codes

-   [`G44.051` Short lasting unilateral neuralgiform headache with conjunctival injection and tearing ICD-10-CM](https://billingbrief.com/icd10/g44.051/)
-   [`G44.059` Short lasting unilateral neuralgiform headache with conjunctival injection and tearing ICD-10-CM](https://billingbrief.com/icd10/g44.059/)
-   [`G44.091` Other trigeminal autonomic cephalgias (TAC), intractable ICD-10-CM](https://billingbrief.com/icd10/g44.091/)
-   [`G44.099` Other trigeminal autonomic cephalgias (TAC), not intractable ICD-10-CM](https://billingbrief.com/icd10/g44.099/)
-   [`G44.201` Tension-type headache, unspecified, intractable ICD-10-CM](https://billingbrief.com/icd10/g44.201/)
-   [`G44.209` Tension-type headache, unspecified, not intractable ICD-10-CM](https://billingbrief.com/icd10/g44.209/)
-   [`G44.211` Episodic tension-type headache, intractable ICD-10-CM](https://billingbrief.com/icd10/g44.211/)
-   [`G44.219` Episodic tension-type headache, not intractable ICD-10-CM](https://billingbrief.com/icd10/g44.219/)

## Common questions

### Is G44.1 a billable code?

Yes. G44.1 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

G44 Other headache syndromes

Chapter

Diseases of the nervous system

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).