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ICD-10 diagnosis code

T65.9 Toxic effect: Toxic effect of unspecified substance

This page in Swedish

T65.9 is the ICD-10 code for Toxic effect: Toxic effect of unspecified substance. It is a four-character subcategory of T65 (Toxic effect of other and unspecified substances), the most specific level in the WHO edition. It belongs to the block T51–T65 (Toxic effects of substances chiefly nonmedicinal as to source) 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 T65.9 includes

Conditions and terms that are coded here.

  • Poisoning NOS

T65.9 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

T65.9Toxisk effekt av ospecificerad substans

NorwayICD-10-NO

T65.9Toksisk virkning av uspesifisert stoff

DenmarkICD-10-DK

DT659Forgiftning UNS

FinlandICD-10-FI

T65.9Määrittämättömän aineen myrkkyvaikutukset

GermanyICD-10-GM

T65.9Toxische Wirkung einer nicht näher bezeichneten Substanz

FranceICD-10-FR

T65.9Effet toxique d'une substance, sans précision

NetherlandsICD-10-NL

T65.9toxisch gevolg van niet-gespecificeerde stof

United StatesICD-10-CM

Listed through more specific codes:

  • T65.91XAToxic effect of unspecified substance, accidental (unintentional), initial encounter
  • T65.91XDToxic effect of unspecified substance, accidental (unintentional), subsequent encounter
  • T65.91XSToxic effect of unspecified substance, accidental (unintentional), sequela
  • T65.92XAToxic effect of unspecified substance, intentional self-harm, initial encounter
  • T65.92XDToxic effect of unspecified substance, intentional self-harm, subsequent encounter
  • T65.92XSToxic effect of unspecified substance, intentional self-harm, sequela
  • T65.93XAToxic effect of unspecified substance, assault, initial encounter
  • T65.93XDToxic effect of unspecified substance, assault, subsequent encounter
  • and 4 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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