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Test Compendium

Test Name


Test Code

  • 4191

Test Synonym

  • Banzel

Minimum Volume

  • 0.5 mL

Specimen Type

  • Serum Or Plasma

Primary Container

  • Plain Red Top Tube, Transfer Tube- Serum, Green Top Tube, Transfer Tube- Plasma

Transport Temp

  • Refrigerated


  • 7 days

Specimen Requirements

  • 2 mL serum from a Red top or plasma from a Green top (heparin) in a plastic transport tube, indicate if serum or plasma

Specimen Retention

  • Draw a Green-top (heparin) tube or a Red-top tube and separate the serum/plasma from cells within 2 hours of venipuncture. Send the serum/plasma in a plastic transport tube and indicate if serum or plasma. SST (gel-barrier) tubes will be rejected