ICD-10 diagnosis code

Z03.6 Observation for suspected toxic effect from ingested substance

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Z03.6 is the ICD-10 code for Observation for suspected toxic effect from ingested substance. It is a four-character subcategory of Z03 (Medical observation and evaluation for suspected diseases and conditions, ruled out), the most specific level in the WHO edition. It belongs to the block Z00–Z13 (Persons encountering health services for examination and investigation) in Chapter XXI, Factors influencing health status and contact with health services.

Code type
Subcategory (4 characters)
Chapter
XXI · Z00–Z99
Classification
WHO ICD-10, 2019 version

What Z03.6 includes

Conditions and terms that are coded here.

  • Observation for suspected:
    • adverse effect from drug
    • poisoning

Z03.6 in national editions

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

NorwayICD-10-NO

Z03.6Observasjon ved mistanke om toksisk virkning av inntatt stoff

DenmarkICD-10-DK

DZ036Observation pga. mistanke om toksisk effekt af indtaget stof

FinlandICD-10-FI

Z03.6Tarkkailu niellyn aineen epäillyn myrkkyvaikutuksen vuoksi

GermanyICD-10-GM

Z03.6Beobachtung bei Verdacht auf toxische Wirkung von aufgenommenen Substanzen

FranceICD-10-FR

Z03.6Mise en observation pour suspicion d'effet toxique de substances ingérées

NetherlandsICD-10-NL

Z03.6observatie in verband met verdenking op toxisch effect van ingenomen

United StatesICD-10-CM

Z03.6Encounter for observation for suspected toxic effect from ingested substance ruled out

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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