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ICD-10 diagnosis code

T43.0 Poisoning: Tricyclic and tetracyclic antidepressants

This page in Swedish

T43.0 is the ICD-10 code for Poisoning: Tricyclic and tetracyclic antidepressants. It is a four-character subcategory of T43 (Poisoning by psychotropic drugs, not elsewhere classified), 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

T43.0 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

T43.0Tricykliska och tetracykliska antidepressiva läkemedel

DenmarkICD-10-DK

DT430Forgiftning med cykliske antidepressive midler

GermanyICD-10-GM

T43.0Tri- und tetrazyklische Antidepressiva

FranceICD-10-FR

T43.0Antidépresseurs tricycliques et tétracycliques

NetherlandsICD-10-NL

T43.0tricyclische en tetracyclische antidepressiva

United StatesICD-10-CM

Listed through more specific codes:

  • T43.011APoisoning by tricyclic antidepressants, accidental (unintentional), initial encounter
  • T43.011DPoisoning by tricyclic antidepressants, accidental (unintentional), subsequent encounter
  • T43.011SPoisoning by tricyclic antidepressants, accidental (unintentional), sequela
  • T43.012APoisoning by tricyclic antidepressants, intentional self-harm, initial encounter
  • T43.012DPoisoning by tricyclic antidepressants, intentional self-harm, subsequent encounter
  • T43.012SPoisoning by tricyclic antidepressants, intentional self-harm, sequela
  • T43.013APoisoning by tricyclic antidepressants, assault, initial encounter
  • T43.013DPoisoning by tricyclic antidepressants, assault, subsequent encounter
  • and 28 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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