Docdemic

ICD-10 block

X40–X49 Accidental poisoning by and exposure to noxious substances

This page in Swedish

The block X40–X49 of ICD-10 is titled “Accidental poisoning by and exposure to noxious substances”. It is part of Chapter XX, External causes of morbidity and mortality, and holds 10 groups.

What X40–X49 includes

Conditions and terms that are coded here.

  • accidental overdose of drug, wrong drug given or taken in error, and drug taken inadvertently
  • accidents in the use of drugs, medicaments and biological substances in medical and surgical procedures
  • (self-inflicted) poisoning, when not specified whether accidental or with intent to harm. Follow legal rulings when available (see note at Y10-Y34).

What X40–X49 excludes

Conditions that look similar but belong under another code.

  • administration with suicidal or homicidal intent, or intent to harm, or in other circumstances classifiable to X60-X69, X85-X90, Y10-Y19
  • correct drug properly administered in therapeutic or prophylactic dosage as the cause of any adverse effect Y40-Y59

Coding notes

  • For list of specific drugs and other substances classified under the three-character categories, see Table of drugs and chemicals in Alphabetical Index. Evidence of alcohol involvement in combination with substances specified below may be identified by using the supplementary codes Y90-Y91.
  • See at the beginning of this chapter for the classification of the place of occurrence and activity

Codes in X40–X49

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.

Look up another code

Stop looking codes up by hand

Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.

Try Docdemic free