Order of Draw Flashcards
1
Q
Order of Draw
A
- Yellow-blood cultures, sterile
- Light Blue-coagulation tests, always drawn before
anticoagulation or clot activators, fill
completely - Red
- Gold-contain clot activators
- Green-contains heparin
- Lavender-contains EDTA, binds metals, can give false
high calcium or false low potassium - Grey-contains potassium oxalate, elevates potassium
in electrolyte analysis, oxalate damages cell
membranes, and sodium fluoride elevated sodium
levels and inhibits many enzymes.
2
Q
Order of Draw by additive
A
- Yellow-SPS
- Light Blue- sodium citrate
- Red-clot activators in plastic
- Gold-SSTs,clot activators,polymer gel
- Green- heparin, polymer gel
- Lavender- K2 EDTA
- Grey- potassium oxalate, iodoacetate, sodium fluoride