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ICD-10 diagnosis code

T46.1 Poisoning: Calcium-channel blockers

This page in Swedish

T46.1 is the ICD-10 code for Poisoning: Calcium-channel blockers. 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

T46.1 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

T46.1Kalciumflödeshämmare (kalciumantagonister)

GermanyICD-10-GM

T46.1Kalziumantagonisten

FranceICD-10-FR

T46.1Inhibiteurs calciques

NetherlandsICD-10-NL

T46.1calciumantagonisten

United StatesICD-10-CM

Listed through more specific codes:

  • T46.1X1APoisoning by calcium-channel blockers, accidental (unintentional), initial encounter
  • T46.1X1DPoisoning by calcium-channel blockers, accidental (unintentional), subsequent encounter
  • T46.1X1SPoisoning by calcium-channel blockers, accidental (unintentional), sequela
  • T46.1X2APoisoning by calcium-channel blockers, intentional self-harm, initial encounter
  • T46.1X2DPoisoning by calcium-channel blockers, intentional self-harm, subsequent encounter
  • T46.1X2SPoisoning by calcium-channel blockers, intentional self-harm, sequela
  • T46.1X3APoisoning by calcium-channel blockers, assault, initial encounter
  • T46.1X3DPoisoning by calcium-channel blockers, 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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