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 *

Non-Reactive

* 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 Set Up
Daily, 24 hours
Analytic Time

4 hours

Soft Order Code
HAAB
MiChart Code
Hepatitis A Ab, IgG & IgM
Synonyms
  • Hep A Ab total, IgG & IgM
  • Hepatitis A Antibody, Total
  • HAAB
  • HEPATITIS A AB, TOTAL
  • Anti-HAV IgG & IgM
Laboratory
Chemical Pathology
Section
Automation
Specimen Requirements
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.

Alternate Specimen
Green Top Tube (heparinized plasma); Lavender Top Tube (EDTA plasma)
Yellow Top Tube
Normal Volume
0.50 mL serum
Minimum Volume
0.25 mL serum
Billing
CPT Code
86708
Fee Code
23383
Resources