COLLECTION & HANDLING TIPS

This is an online resource for blood and other clinical laboratory collection and handling tips and techniques.

Order of Draw

  1. Blood Culture Tubes or Vials
  2. Coagulation Tubes (Blue-Top Tubes)
  3. Serum Tubes without 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)