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Test Code HBCM Hepatitis B Core IgM Antibody, Serum

Biohazard Infectious

Specimen Type

Preferred: Serum

Acceptable: Plasma


Preferred: Red Top tube or Gold STT

Acceptable: Li-Heparin (Mint Green or Dark Green)

Preferred Volume

5 mL

Offsite Collection Instructions

1. Serum or Plasma tubes should be centrifuged and aliquoted within 2 hours of collection.

2. Aliquoted samples should be refrigerated at 2-8°C prior and during transportation.

3. If above criteria are not met, specimen will be rejected.


UCMC Collection Instructions

1. Samples need to be received in the lab within 2 hours of collection at room temperature.

2. Greater than 2 hours must be refrigerated at 2-8°C.

3. Greater than 6 hours refrigerated specimens must be centrifuged and aliquoted.

4. If above criteria are not met, specimen will be rejected.



Turnaround Time

4 hours

STAT Availability

Not Available

Test Usage

This assay may be used in combination with other hepatitis B virus (HBV) marker assays to define the clinical status of known HBV infected patients or can be combined with other HBV, HAV (hepatitis A virus), and HCV (hepatitis C virus) assays for the diagnosis of patients presenting symptoms of acute viral hepatitis.

Test Methodology

Electrochemiluminescence Immunoassay (ECLIA)

CPT Code


Critical Results


Test Limitations

The performance of the assay has not been established for populations of immunocompromised or immunosuppressed patients.

A reactive anti-HBc IgM result does not exclude co-infection by another hepatitis virus.

Reference Range






The results from this assay should be used and interpreted only in the context of the overall clinical picture.

Fee Code


Minimum Volume

1 mL

Test Includes

Qualitative determination of IgM response to hepatitis B virus core antigen in human serum