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Phlebotomy NHCO 2026, tubes, common tests
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gold top/ tiger top
first drawn, no additive
lavender
last drawn has additive
blood culture
identify infection or fever first drawn always
royal blue with stripes
red stripe - no additive
lavender stripe - additive
Order Of Draw - Boys Love Ravishing Girls Like Dieters Love Protein Gains
Blood culture - nutrient broth, whole blood
Light Blue - sodium citrate, plasma
Red (glass) - no additive, serum
Red (plastic) - clot activator, serum
Gold - silica (clot activator) + thixotropic gel, serum
Light Green - lithium heparin ± thixotropic gel, plasma
Dark Green - sodium heparin, plasma
Lavender - K² EDTA, whole blood/plasma
Pink - K² EDTA, whole blood
Gray - sodium fluoride + potassium oxalate