coagulation tube

Which Vacutainer Tube Has No Additive?

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Which Vacutainer Tube Has No Additive? 6. Red – Tube contains no additive, used for serum chemistry testing, serology, and blood bank testing. Do all tubes have additives? Most blood collection tubes contain an additive that either accelerates clotting of the blood (clot activator) or prevents the blood from clotting (anticoagulant). Which tube or tubes

Why Is Order Of Blood Draw Important?

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Why Is Order Of Blood Draw Important? The order of draw is recommended for both glass and plastic venous collections tubes when drawing multiple specimens for medical laboratory testing during a single venipuncture. The purpose is to avoid possible test result error due to additive carryover. All additive tubes should be filled to their stated