EDTA

Medical term Phlebotomy

Ethylenediaminetetraacetic acid: the anticoagulant in lavender (also pink or pearl) tubes, used for hematology tests such as a CBC.

Sources

Free practice questions that use EDTA

Phlebotomy, question 3Which additive prevents clotting by inhibiting thrombin rather than by binding calcium?

anticoagulantA substance that prevents blood from clotting, such as heparin, EDTA or sodium citrate in tubes, or warfarin…
CBCComplete blood count: a blood test of red cells, white cells, platelets, hemoglobin and hematocrit.
cephalic veinA superficial vein on the thumb side of the arm, often used for venipuncture.
chain of custodyWritten documentation of everyone who handles a specimen, such as for a drug test, from collection to…
clot activatorA tube additive that speeds clotting so serum can be separated; it can interfere with coagulation tests.
coagulationFormation of a blood clot.
evacuated tubeA blood collection tube with a premeasured vacuum that fills automatically when attached to a needle and…
fasting specimenA sample drawn after the patient has not eaten for a set time, required for some tests such as glucose and…
formed elementsThe cellular parts of blood: red cells, white cells and platelets.
glycolytic inhibitorA tube additive, sodium fluoride in gray-top tubes, that stops cells from using up glucose in the sample.