G44.01
G44.01: Episodic cluster headache
Non-billable headerICD-10-CM
G44.01 is a non-billable header ICD-10-CM code for episodic cluster headache. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1 inherited from the categories above G44.01
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above G44.01
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.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead G44.01
2 child codes. Green means billable.