specimen tube

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Introduction

Table

color* additive specimen
red none serum
lavender EDTA (Versene) whole blood; binds Ca+2
green heparin thrombin inhibition
blue buffered citrate coagulation tests; binds Ca+2
gray NaF glucose; inhibits glycolysis
yellow citrate dextrose (ACD) erythrocytes
* color of stopper

More general terms

More specific terms

References

  1. Clinical Diagnosis & Management by Laboratory Methods, 19th edition, J.B. Henry (ed), W.B. Saunders Co., Philadelphia, PA. 1996, pg 13