Test Overview
Test Methodology

Chemiluminescent Immunoassay

Test Usage

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.

Reference Range *

Non-Reactive

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

Test Limitations

Specimen may be stored at room temperature up to 8 hours; specimen should be frozen if assay will not be completed within 72 hours of collection.

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

4 hours

Soft Order Code
HBCMA
MiChart Code
Hepatitis B Core Antibody, IgM
Synonyms
  • AHBCM
  • Antihepatitis B Core (IgM)
  • Core Antibody (IgM)
  • Core Antibody, Hepatitis (IgM)
  • HEPATITIS B CORE AB, IGM
  • A-HBCM
  • HEPATITIS B CORE AB IgM
  • AHBCM
Laboratory
Chemical Pathology
Section
Automation
Specimen Requirements
Collection Instructions

Collect specimen in an SST or red top tube. Centrifuge, aliquot serum into a plastic vial and refrigerate up to 2 days or freeze for longer storage.

Alternate Specimen
Red Top Tube; Green Top Tube (heparinized plasma); Lavender Top Tube (EDTA plasma)
Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
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.

Billing
CPT Code
86705
Fee Code
20423
LOINC
31204-1
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