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The page below is a sample from the LabCE course Phlebotomy. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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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.