Answer :
The test in which the anticoagulant is added to a venous blood sample and the distance cell fall in the test tube over time is determined by D- dimer test.
A D-dimer test is used to find out the blood clotting disorder. These disorder includes: Deep vein thrombosis, a blood clots that deep inside a vein. Their target organs are mainly lower legs, but it also happens in other parts of the body as well.
In this test the EDTA is use as the anticoagulant to prepare sample of blood. Initially, the concentration of the EDTA is high after that the EDTA used in the diluted form. Also, it allows the best preservation of cellular components and morphology of blood cells.
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