Vacutainer Tubes - Order of Draw

Proper specimen collection is critical to obtaining valid laboratory results. Specimens must be collected in the appropriate tubes and in the proper order.


Tubes should be drawn in the following orde
r:

colors_2.jpg (12286 bytes)

 

TUBE

 

ADDITIVE

red

red.jpg (3229 bytes)

none

yellow

gold.jpg (3458 bytes)

clot activator / gel for serum separation

light blue

lightblue.jpg (2997 bytes) sodium citrate

green

green.jpg (3205 bytes)

heparin (lithium or sodium)

lavender

lavender.jpg (3094 bytes)

EDTA

gray

gray.jpg (2719 bytes)

potassium oxalate/sodium fluoride

dark blue

royalblue.jpg (2071 bytes)

metal free