Tube GuideBD Vacutainer® Tubes With Hemogard™ ClosureBD Vacutainer® Tubes With Conventional StopperAdditiveGoldRed/BlackClot activator and gel for serum separationLight GreenGreen/GrayLithium heparin and gel for plasma separationRedRedNone (glass) Clot activator (plastic)OrangeGray/YellowThrombin
Red – Non-Additive.
Red Gel separator tube (speckled or “tiger” top)
Green/Gray mottled Plasma Separator Tube (PST) with heparin.
Lavender/purple top and/or pink (EDTA)
Gray top (Oxalate/fluoride tube)
What is the additive in a red top tube?
The sequence of collection of evacuated tubes in a multi-draw should be in this order: