Anticoagulant used in coagulation study is?: (A) Calcium citrate, (B) EDTA, (C) Sodium bromide, (D) Trisodium citrate
Answer is D. Trisodium citrate is the preferred anticoagulant for platelet and coagulation studies. EDTA: Primary use is for the CBC and individual components of the CBC. Pseudothrombocytopenia is seen when the blood sample is collected inEDTA l In vitro aifact resulting from platelet agglutination antibodies (IgG, IgM,IgA) when the calcium content is decreased by blood collection in EDTA