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ICD-10 diagnosis code

T56.1 Toxic effect: Mercury and its compounds

This page in Swedish

T56.1 is the ICD-10 code for Toxic effect: Mercury and its compounds. It is a four-character subcategory of T56 (Toxic effect of metals), 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

T56.1 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

T56.1Kvicksilver och dess föreningar

NorwayICD-10-NO

T56.1Toksisk virkning av kvikksølv eller kvikksølvforbindelse

DenmarkICD-10-DK

DT561Kviksølvforgiftning

FinlandICD-10-FI

T56.1Elohopean tai elohopeayhdisteiden myrkkyvaikutukset

GermanyICD-10-GM

T56.1Quecksilber und dessen Verbindungen

FranceICD-10-FR

T56.1Mercure et ses composés

NetherlandsICD-10-NL

T56.1kwik en kwikverbindingen

United StatesICD-10-CM

Listed through more specific codes:

  • T56.1X1AToxic effect of mercury and its compounds, accidental (unintentional), initial encounter
  • T56.1X1DToxic effect of mercury and its compounds, accidental (unintentional), subsequent encounter
  • T56.1X1SToxic effect of mercury and its compounds, accidental (unintentional), sequela
  • T56.1X2AToxic effect of mercury and its compounds, intentional self-harm, initial encounter
  • T56.1X2DToxic effect of mercury and its compounds, intentional self-harm, subsequent encounter
  • T56.1X2SToxic effect of mercury and its compounds, intentional self-harm, sequela
  • T56.1X3AToxic effect of mercury and its compounds, assault, initial encounter
  • T56.1X3DToxic effect of mercury and its compounds, 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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