In the laboratory: Equipment

Speckle top tubes

  • Also known as serum separator tubes, tiger top tubes or red gray tubes.
  • Contain a serum-cell separator gel which separates serum from clotted blood cells during and after centrifugation.

Test your clinical laboratory knowledge! Play the FREE LabCE.com Quiz Game.

Phlebotomy course details »

Learn more about laboratory continuing education for ASCP, AMT, NCA, and state renewal and recertification requirements »

Get information on laboratory safety and compliance courses for clinical and medical laboratories »