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Sample Preparation

Blood Sample Preparation Instructions


  • Only serum can be accepted for the ELF test.

  • Blood should be collected in SST® Serum Separation Tubes.

  • Serum must be separated from whole blood within six hours of bloodletting. Separate by centrifugation at 1500 x g for 10 minutes at room temperature.

  • Whole blood may be stored within the range 2 to 25oC prior to separation. Whole blood must not be frozen.

  • Recommended minimum sample volume is 0.3ml.
  • Transfer serum to a sterile polypropylene tube with screw cap capable of withstanding freezing. Label the tube with at least two unique patient identifiers:

Patient name (or initials)
Date of Birth
Patient Reference Number (NHS / laboratory number)

Blood Sample Transport Instructions

  • Samples should be sent directly to iQur to ensure their viability. Should a delay in transport occur, samples may be stored at 2-8°C for up to 48 hours or at -70°C for longer term storage.

  • Serum may be transported within the range from -70oC to ambient temperature.

  • Samples must be transported by Royal Mail or equivalent courier service in accordance with UK Transport Legislation 602 and/or 605/UN Packaging Instruction P650 (UN3373).

Postage Details

FOR THE ATTENTION OF: 

iQur Ltd.
Wolfson Laboratory
The Royal Free Hospital
Pond Street
London
NW3 2QG


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