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Order of Tube Draw


Bactec Bottles Blood Cultures
Light Blue (boy) CONTENTS: Sodium Citrate TESTS: PT, PTT, INR
Red CONTENTS: No Additive, No Clot Activator TESTS: Serum chemistry tests, blood blanking
SST (serum separator tube) tiger top gold CONTENTS: Serum Gel Seperator w/ Clot Activators, Serum Tests TESTS: BMP, CMP, Thyroid studies, Hcg, Hormones, Cholesterol, LFTs
Green CONTENTS: Heparin TESTS: Anticoagulent, Plasma tests, Blood gases
Lavender CONTENTS: EDTA (inhibits coagulation) whole blood tests TESTS: CBC, MonoSpot, ESR, Glycohemolgobin
Gray CONTENTS: Sodium Floride & Potassium Oxlate, TESTS: Glucose
Created by: audrianamarie