Test Overview

Test Methodology

Chemiluminescent Immunoassay (CLIA)

Test Usage

This assay detects the presence of Hepatitis A specific antibodies (IgG + IgM). A non-reactive result indicates a lack of immunity to Hepatitis A infection. A reactive result indicates either vaccination, past infection, or current infection. To screen for current infection, the Hepatitis A Antibody, IgM assay should be ordered (order code HAMAB).

Reference Range*


* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

The performance of this assay has not been established with cord blood, neonatal specimens, cadaver specimens, heat-inactivated samples or body fluids other than serum.

Test Details

Days Test Performed

Daily, 24 hours

Analytic Time

4 hours

Soft Order Code


MiChart Code

Hepatitis A Ab, IgG & IgM



Hep A Ab total, IgG & IgM
Hepatitis A Antibody, Total
Anti-HAV IgG & IgM

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Chemical Pathology

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Specimen Requirements

Offsite Collection Instructions

Collect specimen in red top or SST tube. Centrifuge specimen and aliquot serum into a plastic vial within 24 hours of collection. Store samples refrigerated if not analyzed within 12 hours. Refrigerate up to 7 days or freeze for longer storage.


Yellow Top Tube

Normal Volume

0.50 mL serum

Minimum Volume

0.25 mL serum

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