HEPATITIS B CORE ANTIBODY, IGM

Message

TAT may be extended for initial Equivocal or Reactive results

Test Code

HBCM

Alias/See Also

Hep B

CPT Codes
86705

Preferred Specimen

1 Gold tube (gel separator)

Minimum Volume

0.5 mL

Other Acceptable Specimens

1 Lavender tube (EDTA) or
1 Green tube (Any Heparin)
(Note: If Hep C testing is also required, do not draw heparin tube)

Instructions

Centrifuge for complete separation of plasma or serum and red cells. Refrigerate until tested.

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

Report Available

Within 24 hours of receipt at the performing laboratory.

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.

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NCHB3 (Chemistry, Centaur)

Additional Information
Hepatitis B FAQ

Last Updated: June 5, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.