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- Antibody to Hepatitis B Core Antigen
- Core Antibody
This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.
Expected Turnaround Time
1 - 2 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Serum or plasma
0.4 mL (Note: This volume does not allow for repeat testing.)
Red-top tube, gel-barrier tube, or lavender-top (EDTA) tube
If tube other than a gel-barrier tube is used, transfer separated serum or plasma to a plastic transport tube.
Causes for Rejection
Non-EDTA plasma specimen; PST gel-barrier tube
Aid in the diagnosis of acute or chronic hepatitis B virus (HBV) infection and in the determination of the clinical status of HBV infected individuals in conjunction with other HBV serological markers. Aid in differential diagnosis of hepatitis. The presence of anti-HBc total antibody indicates previous or ongoing infection with HBV in an undefined time frame.
Immunochemiluminometric assay (ICMA)
|Order Code||Order Code Name||Order Loinc||Result Code||Result Code Name||UofM||Result LOINC|
|006718||Hep B Core Ab, Tot||13952-7||006718||Hep B Core Ab, Tot||13952-7|