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ICD-10 diagnosis code

T46.3 Poisoning: Coronary vasodilators, not elsewhere classified

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T46.3 is the ICD-10 code for Poisoning: Coronary vasodilators, not elsewhere classified. It is a four-character subcategory of T46 (Poisoning by agents primarily affecting the cardiovascular system), 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

What T46.3 includes

Conditions and terms that are coded here.

  • Dipyridamole

What T46.3 excludes

Conditions that look similar but belong under another code.

  • beta-adrenoreceptor antagonists T44.7
  • calcium-channel blockers T46.1

T46.3 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

T46.3Koronarkärlsdilaterande läkemedel som ej klassificeras på annan plats

GermanyICD-10-GM

T46.3Koronardilatatoren, anderenorts nicht klassifiziert

FranceICD-10-FR

T46.3Vasodilatateurs coronariens, non classés ailleurs

NetherlandsICD-10-NL

T46.3coronaire vasodilatantia, niet elders geclassificeerd

United StatesICD-10-CM

Listed through more specific codes:

  • T46.3X1APoisoning by coronary vasodilators, accidental (unintentional), initial encounter
  • T46.3X1DPoisoning by coronary vasodilators, accidental (unintentional), subsequent encounter
  • T46.3X1SPoisoning by coronary vasodilators, accidental (unintentional), sequela
  • T46.3X2APoisoning by coronary vasodilators, intentional self-harm, initial encounter
  • T46.3X2DPoisoning by coronary vasodilators, intentional self-harm, subsequent encounter
  • T46.3X2SPoisoning by coronary vasodilators, intentional self-harm, sequela
  • T46.3X3APoisoning by coronary vasodilators, assault, initial encounter
  • T46.3X3DPoisoning by coronary vasodilators, 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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