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Test Code HBCT Hepatitis B Core Antibody, Total

Additional Codes

ALAB: HBCT
Powerchart: Hepatitis B Core Antibody Total
MA Cerner: Hep B Core Total Ab

Specimen Requirement

1 mL SST serum

Additional Specimen Collection Information

Collect blood in a serum gel tube. Serum should be separated from contact with the cells within 2 hours of collection. Specimens not centrifuged within 4 hours of collection may be rejected. Refrigerate the specimen if unable to assay within 8 hours of collection. Hemolyzed specimens are not acceptable. Samples with >1+ lipemia must be cleared prior to analysis.

Useful For

  • Diagnosis of recent or past hepatitis B infection
  • Determination of occult hepatitis B infection in otherwise healthy hepatitis B virus (HBV) carriers with negative test results for hepatitis B surface antigen, antihepatitis B surface, antihepatitis B core IgM, hepatitis Be antigen, and anti-HBe.
  • This assay is not useful for differentiating among acute, chronic, and past/resolved hepatitis B infection.
  • This assay is FDA-approved for in vitro diagnostic use and not for screening cell, tissue, and blood donors.

Performance

Testing is performed Monday through Sunday.
Routine: Typically completed within 4 hours after the specimen arrives at the testing site.
STAT: Typically completed within 1 hour after the specimen arrives at the testing site.

CPT Code Information

86704  Hepatitis B Core Antibody (HBcAb), Total

LOINC Code Information

51914-0  Hepatitis B virus core IgG & IgM Ab [Presence] in serum

Test Method

Two-Step Immunoassay; Abbott Architect

Reference Values

Nonreactive