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ICD-10 diagnosis code

T40.9 Poisoning: Other and unspecified psychodysleptics [hallucinogens]

This page in Swedish

T40.9 is the ICD-10 code for Poisoning: Other and unspecified psychodysleptics [hallucinogens]. It is a four-character subcategory of T40 (Poisoning by narcotics and psychodysleptics [hallucinogens]), 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 T40.9 includes

Conditions and terms that are coded here.

  • Mescaline
  • Psilocin
  • Psilocybine

T40.9 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

T40.9Andra och ospecificerade psykodysleptika [hallucinogener]

DenmarkICD-10-DK

DT409Forgiftning med andet eller ikke specificeret hallucinogen

  • DT409AForgiftning med euforiserende svampe
  • DT409BForgiftning med meskalin
  • DT409CForgiftning med psilocin
  • DT409DForgiftning med psilocybin
  • DT409XForgiftning ved blandingsmisbrug med hallucinogener
  • DT409ZForgiftning med hallucinogen UNS
FinlandICD-10-FI

T40.9Muun tai määrittämättömän hallusinogeenin myrkkyvaikutukset

GermanyICD-10-GM

T40.9Sonstige und nicht näher bezeichnete Psychodysleptika [Halluzinogene]

FranceICD-10-FR

T40.9Psychodysleptiques [hallucinogènes], autres et sans précision

NetherlandsICD-10-NL

T40.9overige en niet-gespecificeerde psychodysleptica [hallucinogenen]

United StatesICD-10-CM

Listed through more specific codes:

  • T40.901APoisoning by unspecified psychodysleptics [hallucinogens], accidental (unintentional), initial encounter
  • T40.901DPoisoning by unspecified psychodysleptics [hallucinogens], accidental (unintentional), subsequent encounter
  • T40.901SPoisoning by unspecified psychodysleptics [hallucinogens], accidental (unintentional), sequela
  • T40.902APoisoning by unspecified psychodysleptics [hallucinogens], intentional self-harm, initial encounter
  • T40.902DPoisoning by unspecified psychodysleptics [hallucinogens], intentional self-harm, subsequent encounter
  • T40.902SPoisoning by unspecified psychodysleptics [hallucinogens], intentional self-harm, sequela
  • T40.903APoisoning by unspecified psychodysleptics [hallucinogens], assault, initial encounter
  • T40.903DPoisoning by unspecified psychodysleptics [hallucinogens], 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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