Serum collection tubes

Depending on the analyses carried out on the blood sample, there are different color codes to distinguish the test tubes and avoid analysis errors. There are seven main colors: red, yellow, blue, purple, green, grey, and light mauve. Red test tubes: Test tubes with a red cap do not contain any anticoagulants but instead contain a coagulation activator (silicon microparticles). After centrifugation, a serum rather than plasma is obtained, as with tubes...