fasting specimen
Medical term Phlebotomy
A sample drawn after the patient has not eaten for a set time, required for some tests such as glucose and cholesterol.
Related terms
- cholesterolA fatty substance (sterol) needed for cell membranes and hormones; it is part of the plaque that narrows…
- clot activatorA tube additive that speeds clotting so serum can be separated; it can interfere with coagulation tests.
- coagulationFormation of a blood clot.
- EDTAEthylenediaminetetraacetic acid: the anticoagulant in lavender (also pink or pearl) tubes, used for…
- evacuated tubeA blood collection tube with a premeasured vacuum that fills automatically when attached to a needle 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.
- hematomaA collection of blood under the skin, causing swelling and a bruise; a common venipuncture complication.
- hemolysisRupture of red blood cells, which releases their contents and can invalidate test results.
Study Phlebotomy