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HIV 1/O/2 Enhanced (EHIV)


The HIV assay is a direct sandwich immunoassay that uses direct chemiluminometric technology.

Test Utility

This test is used for the determination of antibodies of Human Immunodeficiency Virus Type 1, including group O and/or type 2.

Specimen Collection and Preparation

Serum or plasma sample in the following tubes:

  • Serum separator tube (gold or tiger top)

  • Lithium/Sodium Heparin (green top)

  • EDTA (lavender top)

  • ACD (yellow top)

Specimen Storage and Stability

Store serum or plasma at the following temperatures:

  • Room temperature: 15°C to 25°C up to 24 hours

  • Refrigerated: 2°C to 8°C up to 14 days

  • 2°C to 8°C for up to 7 days (Primary tube samples – stoppered and upright)

  • Primary samples include serum on the clot, plasma on packed red cells and gel barrier collection tubes.

  • Frozen: -20°C or lower for up to 1 year

Specimen Rejection

  • Insufficient sample volume

  • Sample not stored at proper temperature

  • Frozen whole blood

  • Severely hemolyzed samples

  • Severely lipemic specimens

  • Specimen labeled incorrectly or not labeled

Reference Pages


Monday – Saturday

Result available within 24 hours of receipt in laboratory

NOTE: Specimens are refrigerated (2-8°) for 7 days before disposal


Vibra Health Laboratory

1307- A, Allen Dr

Troy, MI 48083

(248) 846-0663

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