PPP High is a recombinant tissue factor trigger reagent used with Platelet Poor Plasma to initiate thrombin generation. It contains 20 pM TF and 4 uM phospholipids (20%phosphatidylserine, 20% phosphatidylethanolamine and 60% phosphatidylcholine). It is recommended for use in plasma containing anticoagulants such as unfractionated heparin.