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Test Code LAB1242 Hepatitis B Core IgG and IgM (anti-HBc IgG,IgM), Serum

Infectious

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Electrochemiluminescence Immunoassay (ECLIA)

Note: Result is a combination of IgG and IgM. To differentiate between IgG and IgM, order LAB549 Hepatitis B Core IgM,  Serum.

Literature Reference:

Package insert: Roche Diagnostics, Elecsys Anti-HBc II. 2023-6, V2.0

Specimen Requirements

Specimen Type: Serum

Container/Tube: Red/Grey separator or Gold separator tube

Specimen Volume: Full tube

Additional Information: Specimen with obvious microbial contamination is not acceptable.

Day(s) Test Set Up

Performed upon receipt

Turnaround Time:
STAT: not available
Routine: 2-4 hours after receipt in laboratory

Test Classification and CPT Coding

Hepatits B core antibody (HBcAb), Total

86704

Reference Values

Nonreactive (reported as reactive or nonreactive)

Interpretation depends on clinical setting.

Literature Reference:

Package insert: Roche Diagnostics, Elecsys Anti-HBc II. 2023-6, V2.0

Specimen Transport Temperature

Ambient

Additional Information

For BJH Laboratory Use Only
Alternate Tube for Single test only:

1 mint green (lithium heparin) tube

1 lavender-top (K2EDTA) tube

1 pink-top (K2EDTA) tube
Analyte Stability:

Ambient temperature 20 to 25° C: 7 days Test immediately or refrigerate

Refrigerated, 2 to 8° C: 14 days Separated from cells

Frozen -15 to -25° C stability: 90 days.

No more than 4 freeze/thaw cycles. Repeated freeze/thaw cycles can cause analyte deterioation. 

Laboratory Processing Instructions:

Completed specimens are stored refrigerated for 5 days.

 

LOINC Code Information

Name LOINC Code
Hepatitis B Core Antibodies, Total 83100-8