laboratory diagnostic - others - ECP, Eosinophil Cationic Protein (allergy, differential diagnosis between allergic and non-allergic disordes), serum 1ml, frozen, The serum must be frozen within 4 hour after collection and must be sent in the frozen samples container(!)Do not use plasma and haemolysed serum. sample on tube with phase separator or dry tube. Allow to coagulate for 60 to 120 min at ambient temperature (20-24°C). Centrifuge at 1350 g for 10 min at ambient temperature (20-24°C). Transfer the serum into a new tube and freeze. The type of tube used for the sample, the coagulation time and the temperature must be perfectly controlled as these parameters affect the ECP concentration released in the serum samples.Fluorescent enzyme-immunoassay, todylaboratories®, code L76LD1614