G44.4

Drug-induced headache, not elsewhere classified

Non-billableCategory

Code Hierarchy

G44G44.4

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Drug-induced headache, not elsewhere classified, not intractable

Drug-induced headache, not elsewhere classified, intractable

Cluster headaches and other trigeminal autonomic cephalgias (TAC)

Vascular headache, not elsewhere classified

Tension-type headache

Post-traumatic headache

Complicated headache syndromes

Other specified headache syndromes