What type of anticoagulant does a Green Top contain?

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BlackTom AI · Accepted Answer

The question asks about the anticoagulant contained in a Green Top vacuum tube. A Green Top tube is specifically designed to contain lithium heparin as the anticoagulant, which helps prevent blood from clotting while allowing accurate biochemical analyses to be performed on the plasma.

Since no answer options are provided, we cannot evaluate alternatives. However, the core fact remains: Green Top tubes use lithium heparin, not other anticoagulants like EDTA or sodium citrate, which are used in different colored tops for other tests.

Understanding the purpose of the anticoagulant is also helpful: heparin inhibits thrombin and factor Xa, maintaining plasma for chemistries and plasma-based assays, whereas EDTA binds calcium for hematology counts, and citrate serves coagulation studies by chelating calcium more reversibly.

Therefore, the key takeaway is that the Green Top contains lithium heparin, distinguishing it from other tube types by its anticoagulant choice.

VT122 (Assignment) Post Lab Activity: Clinical Pathology I & II - DUE 1/27 BY MIDNIGHT

What type of anticoagulant does a Green Top contain?

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