ICD-10 diagnosis code

T42.8 Poisoning: Antiparkinsonism drugs and other central muscle-tone depressants

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T42.8 is the ICD-10 code for Poisoning: Antiparkinsonism drugs and other central muscle-tone depressants. It is a four-character subcategory of T42 (Poisoning by antiepileptic, sedative-hypnotic and antiparkinsonism drugs), 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 T42.8 includes

Conditions and terms that are coded here.

  • Amantadine

T42.8 in national editions

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

DenmarkICD-10-DK

DT428Forgiftning med antiparkinsonmiddel eller andet centralt virkende muskeltonusnedsættende middel

GermanyICD-10-GM

T42.8Antiparkinsonmittel und andere zentral wirkende Muskelrelaxanzien

FranceICD-10-FR

T42.8Antiparkinsoniens et autres dépresseurs centraux du tonus musculaire

NetherlandsICD-10-NL

T42.8centraal werkende spierrelaxantia, overige en antiparkinsonmiddelen

United StatesICD-10-CM

Listed through more specific codes:

  • T42.8X1APoisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional), initial encounter
  • T42.8X1DPoisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional), subsequent encounter
  • T42.8X1SPoisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional), sequela
  • T42.8X2APoisoning by antiparkinsonism drugs and other central muscle-tone depressants, intentional self-harm, initial encounter
  • T42.8X2DPoisoning by antiparkinsonism drugs and other central muscle-tone depressants, intentional self-harm, subsequent encounter
  • T42.8X2SPoisoning by antiparkinsonism drugs and other central muscle-tone depressants, intentional self-harm, sequela
  • T42.8X3APoisoning by antiparkinsonism drugs and other central muscle-tone depressants, assault, initial encounter
  • T42.8X3DPoisoning by antiparkinsonism drugs and other central muscle-tone depressants, 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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