Synonyms: Anti-HBc, Anti-HB Core Ag, HBcAb (IgG/IgM)

CPT4 Code: 86704

Test Order Mnemonic: HBC

Lab: Serology

Request Form: Microbiology/Serology

Collection: Routine venipuncture, SST (serum separator tube)

Causes for Rejection: Gross hemolysis, lipemia, specimens containing particulate matter

Availability: Samples are accepted 24 hours per day at Sample Management, 5.136McCullough.

Turnaround Time: 24 - 72 hours

Special Instructions: This test detects both IgG and IgM antibodies to Hepatitis B core antigen. Previously positive patients do not require repeat testing. If the patient has no detectable antibody, it is recommended to wait at least three months before testing again. Tests on samples collected less than three months from the initial negative results will be cancelled, unless approved by a Microbiology Director or designee.

Specimen: Blood

Volume: 2 ml serum

Container: SST (gel barrier)

Reference Ranges: Negative

Test Method:  Automated EIA