G44.4

Drug-induced headache, not elsewhere classified

Coding guidance (WHO 2019)

Use additional external cause code (Chapter XX), if desired, to identify drug.

Sibling codes

G44Other headache syndromes G44.0Cluster headache syndrome G44.1Vascular headache, not elsewhere classified G44.2Tension-type headache G44.3Chronic post-traumatic headache G44.8Other specified headache syndromes