G44.89
BillableOther headache syndrome
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A headache syndrome that does not fit into the standard categories of migraine, tension, or cluster headaches.
Coding Tips
- •Use this code only after ruling out more specific headache diagnoses
- •Document the clinical features and characteristics that distinguish this headache from other recognized syndromes
Code Hierarchy
└G44Other headache syndromes└G44.8Other specified headache syndromes└G44.89Other headache syndrome
└G44.89Other headache syndrome