Royal Blue Top Tube (K2EDTA) – (Use for Aluminum, Zinc, Other Trace Metals)

  1. Allow the tube to fill until blood flow ceases.
  2. Immediately after drawing, gently invert the tube 5-10 times to activate the anticoagulant and prevent clotting.
  3. Use the bar code label with the patient’s name and ID to identify the specimen.
  4. Do not centrifuge.
  5. Refrigerate at 2°- 8° C.