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Collection Tubes


The following is a list of the most commonly used specimen collection tubes listed in our catalog

  • Mottled Red Top – contains clot activator with gel separator in the bottom, for collection of serum samples
  • Red Top – contains no anticoagulant, for collection of serum samples
  • Purple Top – contains EDTA (ethylenediaminetetra-acetate) for collection of hematology and hemoglobin analysis samples
  • Green Top – contains sodium heparin for hematology and chemistry samples
  • Gray Top – contains sodium fluoride and potassium oxalate, which are glycolysis inhibitors
  • Light Blue Top – contains sodium citrate for coagulation samples
  • Royal Blue Top – may contain sodium heparin for trace metal studies