X40-X49 Accidental poisoning by and exposure to noxious substances


See at the beginning of this chapter for the classification of the place of occurrence and activity


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.


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).


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 effectY40-Y59