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2. ICD-10 Codes
3. Chapter - G00-G99
4. Section - G40-G47
5. Category - G44
6. G44.1

G44.1 - Vascular headache, not elsewhere classified

• Applicable to Vascular headache, not elsewhere classified
• The 2025 edition of ICD10-CM G44.1 became effective on October 1, 2024.
• This is the American ICD10-CM version of G44.1 - other international versions of ICD10 G44.1 may differ.
• G44.1 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Type 2 Excludes

• 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-)

The following codes above G44.1 contain annotation back-references that may be applicable to G44.1:

• Chapter: G00-G99 - Diseases of the nervous system
• Section: G40-G47 - Episodic and paroxysmal disorders
• Category: G44 - Other headache syndromes

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.