Order of draw

Color Order/additive
Yellow /Blood culture tubes 1st SterileSPS
Light Blue / Coagulation tests 2ndAnticoagulantSodium Citrate
Red/Gray (Gold), 3rdClot ActivatorsThixotropic gel
Green Top 4thHeparin
Lavender top 5thEDTA
Gray top 6th Potassium Oxalate

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