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HEPATITIS B CORE ANTIBODY, IGM
Test CodeHBCAB (OE), HBCM (LAB)
CPT Codes
86705
Preferred Specimen
1 Gold tube (SST)
Patient Preparation
None
Minimum Volume
0.5 mL (1 mL optimal)
Other Acceptable Specimens
1 Lavender tube (EDTA)
OR
1 Green tube (Lithium Heparin)
OR
OR
1 Green tube (Lithium Heparin)
OR
Instructions
Centrifuge for complete separation of serum or plasma from red cells. Refrigerate until tested.
Transport Container
Gold tube
Transport Temperature
Refrigerate
Specimen Stability
2-8°C up to 5 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis (>500 mg/dL of hemoglobin)
Methodology
Direct Chemiluminescence
Setup Schedule
M, T, W, Th, F, Sa, Sun
As received; STAT testing is not available
As received; STAT testing is not available
Report Available
Same day as tested.
Note: TAT may be extended for initial Equivocal or Reactive results
Note: TAT may be extended for initial Equivocal or Reactive results
Reference Range
Non-reactive
Clinical Significance
Diagnosis and monitoring of both acute and chronic infections due to hepatitis B virus (HBV) involves the use of several tests. Anti HBc IgM is usually present about the same time as the appearance of symptoms, and may remain positive for up to 1 year.
Performing Laboratory
Alvenro Central Lab
Additional Information
Interpretation Frequently Asked Questions (FAQ)
