Test Overview
Chemiluminescent Immunoassay
Presence of hepatitis core IgM antibody indicates acute or very recent hepatitis B infection. 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.
Non-Reactive
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimens must be centrifuged and separated from cellular material with 24 hours of collections; Specimen may be stored at room temperature up to 8 hours; specimen should be refrigerated at 2-8C between 8-48 hours of collection; specimen should be frozen at -20C if assay will not be completed within 48 hours of collection.
Test Details
4 hours
- Core Antibody, Hepatitis (IgM)
Specimen Requirements
Collect specimen in an SST or red top tube. Specimens must be centrifuged and separated from cellular material with 24 hours of collections; Specimen may be stored at room temperature up to 8 hours; specimen should be refrigerated at 2-8C between 8-48 hours of collection; specimen should be frozen at -20C if assay will not be completed within 48 hours of collection.
Red Top Tube; Green Top Tube (heparinized plasma); Lavender Top Tube (EDTA plasma)
0.5 mL serum
0.25 mL serum
Additional Information
The Hepatitis B Core Antibody, IgM assay will be performed automatically on specimens positive for the Hepatitis B Core Antibody, IgG and IgM assay.