G44.00

Non-Billable (Header)

Cluster headache syndrome, unspecified

Child Codes

G44.001Cluster headache syndrome, unspecified, intractable

G44.009Cluster headache syndrome, unspecified, not intractable

Code Hierarchy

└G44Other headache syndromes └G44.0Cluster headaches and other trigeminal autonomic cephalgias (TAC)└G44.00Cluster headache syndrome, unspecified

└G44.00Cluster headache syndrome, unspecified

Open G44.00 in the Interactive Encoder

See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.

Open in Encoder Start 14-Day Pro Trial