T40.901 - Poisoning by unspecified psychodysleptics [hallucinogens], accidental (unintentional) T40.9 - Poisoning by, adverse effect of and underdosing of other and unspecified psychodysleptics [hallucinogens] T40.90 - Poisoning by, adverse effect of and underdosing of unspecified psychodysleptics [hallucinogens] T40.901 - Poisoning by unspecified psychodysleptics [hallucinogens], accidental (unintentional)