G44.4 is the ICD-10 code for Drug-induced headache, not elsewhere classified. It is a four-character subcategory of G44 (Other headache syndromes), the most specific level in the WHO edition. It belongs to the block G40–G47 (Episodic and paroxysmal disorders) in Chapter VI, Diseases of the nervous system.
- Code type
- Subcategory (4 characters)
- Chapter
- VI · G00–G99
- Classification
- WHO ICD-10, 2019 version
Coding notes
- Use additional external cause code (Chapter XX), if desired, to identify drug.
G44.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
G44.4Läkemedelsutlöst huvudvärk som ej klassificeras på annan plats
G44.4Legemiddelutløst hodepine ikke klassifisert annet sted
DG444Hovedpine forårsaget af lægemiddel IKA
G44.4Arzneimittelinduzierter Kopfschmerz, anderenorts nicht klassifiziert
G44.4Céphalée médicamenteuse, non classée ailleurs
G44.4hoofdpijn ten gevolge van geneesmiddelengebruik, niet elders
Listed through more specific codes:
- G44.40Drug-induced headache, not elsewhere classified, not intractable
- G44.41Drug-induced headache, not elsewhere classified, intractable
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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