T50.6X1 - Poisoning by antidotes and chelating agents, accidental (unintentional) T50.6 - Poisoning by, adverse effect of and underdosing of antidotes and chelating agents T50.6X - Poisoning by, adverse effect of and underdosing of antidotes and chelating agents T50.6X1 - Poisoning by antidotes and chelating agents, accidental (unintentional)