"Possible poisoning" means that it is suspected or believed that someone or something may have been exposed to harmful substances that can cause injury or illness. Full definition
According to the American Association of Poison Control Centers, more than 1.2 million possible poisonings of children under age 5 were reported in 2009. (babycenter.com)
«Many instances of poisoning or possible poisonings result in calls to poison control center hotlines, where trained toxicologists can differentiate for callers between cases severe enough to require attention at a hospital and those that can be safely treated at home,» Krajewski said. (sciencedaily.com)
Assays for other possible poisons, including chocolate poisoning might also be considered. (2ndchance.info)