Medical

blue top tube

A 5-ml tube with sodium citrate as an anticoagulant, used to collect specimens for coagulation factor assays, fibrinogen, glucose-6-phosphate dehydrogenase, PTT, PT, thrombin time
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

blue top tube

Clinical chemistry A 5 ml tube with sodium citrate as an anticoagulant, used to collect specimens for coagulation factor assays, fibrinogen, glucose-6-phosphate dehydrogenase, PTT, PT, thrombin time
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
However, the patient was a difficult stick and Iva Ego used a butterfly and holder assembly to collect the sample directly into a pediatric light blue top tube. Consequently the results were erroneous!
Iva Ego acted inappropriately by collecting the blood with a butterfly directly into the pediatric light blue top tube. The CLSI standard section 8.10 states and I quote: "When using a winged blood collection set for venipuncture and a coagulation tube is the first tube needed, first draw a discard tube.
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The blue top tube prevents clotting with a different chemical that has less effect on platelets.
Chemicals may alter platelet count
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I am commonly known as a Light Blue Top tube due to the color of my beautiful blue cap.
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1 Light Blue Top tube would least likely be used for:
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