T42.4 is the ICD-10 code for Poisoning: Benzodiazepines. It is a four-character subcategory of T42 (Poisoning by antiepileptic, sedative-hypnotic and antiparkinsonism drugs), the most specific level in the WHO edition. It belongs to the block T36–T50 (Poisoning by drugs, medicaments and biological substances) in Chapter XIX, Injury, poisoning and certain other consequences of external causes.
- Code type
- Subcategory (4 characters)
- Chapter
- XIX · S00–T98
- Classification
- WHO ICD-10, 2019 version
T42.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
T42.4Bensodiazepiner
DT424Forgiftning med benzodiazepinderivat
T42.4Benzodiazepine
T42.4Benzodiazépines
T42.4benzodiazepinen
Listed through more specific codes:
- T42.4X1APoisoning by benzodiazepines, accidental (unintentional), initial encounter
- T42.4X1DPoisoning by benzodiazepines, accidental (unintentional), subsequent encounter
- T42.4X1SPoisoning by benzodiazepines, accidental (unintentional), sequela
- T42.4X2APoisoning by benzodiazepines, intentional self-harm, initial encounter
- T42.4X2DPoisoning by benzodiazepines, intentional self-harm, subsequent encounter
- T42.4X2SPoisoning by benzodiazepines, intentional self-harm, sequela
- T42.4X3APoisoning by benzodiazepines, assault, initial encounter
- T42.4X3DPoisoning by benzodiazepines, assault, subsequent encounter
- and 10 more national subcodes
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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