G44.1
G44.1: Vascular headache, not elsewhere classified
Billable / specific codeICD-10-CM
G44.1 is a billable, specific ICD-10-CM code for vascular headache, not elsewhere classified. It is valid for submission on a claim.
Check G44.1 with the rest of the claim: free scrubberExcludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Excludes1 inherited from the categories above G44.1
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above G44.1
Not part of this code, but both may be coded when both are present.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
G44.1 is named in 9 Medicare coverage policies: 9 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A53057Billing and Coding: Home Health Occupational Therapy
- A56273Billing and Coding: Chiropractic Services
- A56551Billing and Coding: Visual Fields Testing
- A56612Billing and Coding: CT of the Head
Alphabetic index entries that lead here
- Headache›vascular NEC
Code history
Unchanged in every release from FY2024 to FY2027.