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

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)
Normal Volume
0.50 mL serum
Minimum Volume
0.25 mL serum
Billing
CPT Code
86708
Fee Code
23383
NY State Approved
No