Cryoprecipitate, also called "Cryoprecipitated Antihemophilic Factor", "Cryoprecipitated AHF", and most commonly just "cryo",'s a frozen blood product prepared from plasma. It's often transfused as a four to six unit pool instead of as a single product. Many uses of the product have been replaced by factor concentrates, but it's still routinely stocked by many hospital blood banks. Like fresh frozen plasma, compatibility testing isn't indicated, but it's given as ABO compatible. Compatibility's… (More on Cryoprecipitate)