Test Overview
Test Methodology

Chemiluminescent Immunoassay

Test Usage

Presence of hepatitis core antibody indicates previous 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 Details
Days Set Up
Daily, 24 hours
Analytic Time

4 hours

Soft Order Code
HBCAB
MiChart Code
Hepatitis B Core Antibody, IgG and IgM
Synonyms
  • Core Antibody, Hepatitis (IgG & IgM)
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 at 2-8C up to 7 days or freeze at -20C for up to 12 months with only 5 freeze/thaw cycles, longer storage.

Alternate Specimen

Red Top Tube; Green Top Tube (heparinized plasma); Lavender Top Tube (EDTA plasma)

Normal Volume

0.5 mL serum

Minimum Volume

0.25 mL serum

Additional Information

The Hepatitis B Core Antibody, IgM assay will be performed on all positive specimens at an additional charge. By ordering this test the clinician acknowledges that additional reflex testing will be performed and billed at a separate additional charge if indicated.

Billing
CPT Code
86704
Fee Code
23349
LOINC
16933-4
NY State Approved
No