Reactivity has been demonstrated with Liver/ Bone/Kidney isozyme of Alkaline Phosphatase (AP) from Humans, Higher Primates (Chimpanzee, Gorilla, Orangutan and Gibbon), New World Monkeys (Owl Monkey, Squirrel Monkey), Cat, Pig, Rabbit and Tiger. No reactivity has been observed with Old World Monkeys (Baboon, Rhesus monkey, Mangabey, Mandrill, Celebese Black Ape, African Green Monkey), Bovine, Canine, Goat, Guinea Pig, Hamster, Mouse, Rat and Sheep. This antibody does not cross react with other isozymes of AP.