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