G44.59
G44.59: Other complicated headache syndrome
Billable / specific codeICD-10-CM
G44.59 is a billable, specific ICD-10-CM code for other complicated headache syndrome. It is valid for submission on a claim.
Check G44.59 with the rest of the claim: free scrubberExcludes1 inherited from the categories above G44.59
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above G44.59
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
G44.59 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A55530Billing and Coding: Peripheral Nerve Stimulation
- A56612Billing and Coding: CT of the Head
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
Alphabetic index entries that lead here
- Syndrome›headache NEC›complicated NEC
Code history
Unchanged in every release from FY2024 to FY2027.