1. Blood Culture Tubes or Vials
2. Coagulation Tubes (Blue-Top Tubes)
3. Serum Tubes with-out Clot Activator or Gel
(Red-Top tubes)
4. Serum Tubes with Clot Activator or Gel
(Gold or Tiger Top Tubes)
5. Heparin Tubes (Green-Top Tubes)
6. EDTA Tubes (Lavender-Top Tubes)
7. Oxalate/Fluoride Tubes (Gray-Top Tubes)