The Interior wall of the tube is evenly sprayed and coated with either EDTA K2, EDTA K3. Compared with other anticoagulant, EDTA anticoagulant has less influence on the blood cells ...

Sodium Citrate 3.2% blue top tube for all coagulation tests. It Chelates Calcium which is ideal, we want to control it when we add it. 9:1 ratio of blood:anticoagulant (4.5 ml ...