Order of Draw

Order goes from left to right in order of collection starting with Bacterial Culture

Bacterial CultureLight Blue  (B)Red-top (PR)SST(ST)Green (GR)Lavendar (L)Royal Blue EDTA(RB)Royal Blue
Heparin (RB)
Grey (GY)Yellow (YW)
Glass Bacterial Culture bottle 40mLLight blue sterile transport medium contains sodium citrateSerum sterile transport medium contains red tube topRed and black serum separator tubeGreen top tube with sodium heparinLavendar top tube contains Potassium EDTARoyal Blue top tube contains EDTARoyal Blue top tube contains HeparinSodium Flouride collection medium with grey top tubeACD Solution Collection Media, this container is drawn last and has a yellow tube top
Blood TubesAbbreviationSpecimen Description

Gray-top tube

(GL)Contains sodium fluoride anti-coagulant. Primarily used to preserve glucose levels. Plasma – transfer to plastic vial and label with patient’s name and “fluoride plasma”. Whole blood – send filled tube.
Green-top tube(HE)Contains sodium heparin anti-coagulant. Plasma – transfer to plastic vial and label with patient’s name and “heparin plasma”. Whole blood – send filled tube.
Lavendar-top tube(ED)

Contains EDTA anti-coagulant. Plasma – transfer to plastic vial and label with patient’s name and “EDTA plasma”. Whole blood – send filled tube.

Light Blue-top Tube(CI)

Contains sodium citrate anti-coagulant. Plasma – transfer to plastic vial and label with patient’s name and “citrate plasma”. Whole blood – send filled tube.

Red-top tube(SE)

Contains no anti-coagulant or preservative. Primarily used for therapeutic drug levels. Separate serum from cells and transfer to plastic vial. Label with patient’s name and “serum”.

Royal Blue-top tube(O)

Contains no anti-coagulant. Primarily used for trace metal studies. Serum – transfer to plastic vial and label with patient’s name and “serum royal blue”.

Royal Blue-top, EDTA(O)

Contains EDTA anti-coagulant. Primarily used for trace metal studies. Plasma – transfer to plastic vial and label with patient’s name and “EDTA plasma royal blue”. Whole blood – send filled tube.

Royal Blue-top, Heparin(O)Contains heparin anti-coagulant. Primarily used for trace metal studies. Plasma – transfer to plastic vial and label with patient’s name and “heparin plasma royal blue”. Whole blood – send filled tube.
Serum Separator tube(SE)

Contains gel-barrier. Serum – allow blood to clot and centrifuge tube. Unless otherwise stated, this tube may be submitted for assays requiring serum.

Yellow-top tube(O)Contains either ACD or SPS anti-coagulant. SPS is used primarily for Microbiology specimens. Whole blood – send filled tube.