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Hepatitis A Virus IgM Antibody (HAV IgM )


The HAV IgM assay is an IgM capture immunoassay that uses a 2-pass format to determine if antibodies to the hepatitis A virus are present in the patient samples.

Test Utility

This test is used to determine if the patient currently has or has recently had (<6 months) an infection with the hepatitis A virus.

Specimen Collection and Preparation

Serum or plasma sample in the following tubes:

  • Serum separator tube (gold or tiger top)

  • EDTA (lavender top) and Lithium/sodium Heparin (green top)

Specimen Storage and Stability

Specimens should be centrifuged and separated within 2 hours of collection.

Store serum or plasma at the following temperatures:

  • Room temperature: Up to 8 hours

  • Refrigerated: 2°C to 8°C for up to 48 hours

  • Frozen: -20°C or lower for up to 3 months. Samples may be thawed up to 4 times

Thoroughly mix thawed samples and centrifuge for 2 minutes before testing, collecting the supernatant in a clean vial.

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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