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Order of Draw

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

Bacterial Culture Light 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 40mL Light blue sterile transport medium contains sodium citrate Serum sterile transport medium contains red tube top Red and black serum separator tube Green top tube with sodium heparin Lavendar top tube contains Potassium EDTA Royal Blue top tube contains EDTA Royal Blue top tube contains Heparin Sodium Flouride collection medium with grey top tube ACD Solution Collection Media, this container is drawn last and has a yellow tube top
Blood Tubes Abbreviation Specimen 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.