UCSF Navigation Bar

UCSF Departments of Pathology & Laboratory Medicine Home Page

Lab Manual for UCSF Clinical Laboratories

Lab Manual for SFGH

Internal Resources


Item Value
Available Stat? No
Test code HBSB
Performed by? Chemistry
Sendout? no
Price range $$
In House Availability Daily, Mon - Fri
Principle Microparticle Chemiluminometric Immunoassay.
Interpretation The antibody appears during convalescence or following successful immunization. It is usually long-lived, but titers decrease with time and may eventually become undetectable. This antibody is protective against hepatitis B infection. A positive result indicates immunity. A borderline result indicates inadequate immunity and will be reported as "IDET" = Indeterminate. If clinically indicated, please resubmit in 4 weeks).

To monitor recovery from acute hepatitis B, to evaluate hepatitis B immune status, or for pre-vaccination screening.
Container type gold top gel tube
Amount to Collect 2 mL
Sample type Blood
Normal range
< 5 mIU/mL Negative
5-11.9 mIU/mL Indeterminant
≥ 12 mIU/mL Positive

Synonyms HBS-AB;
Stability 2 days at 2-8°C and 1 month at -20°C.
References 1. Advia Centaur Assay Manual. Siemens Medical Solutions Diagnostics, Malvern, PA. Pub# 113353, Rev. A, 2004-05

2. Juszczyk, J. Clinical Course and Consequences of Hepatitis B Infection. Vaccine 18:523-525 (2000.

3. Jilig W, Schmidt M, Deinhart F. Decline or anti-HBs after hepatitis B vaccination and timing of revaccination. Lancet 335:173-174 (1990).

4. Zachoval R, Jilig W, et al.: Passive/active immunization against hepatitis B. J Infect Dis 150(1):112-117 (1984).
CPT coding 86706
Last Updated 10/22/2012 6:25:53 PM
Search Our Test Menu
UCSF home page UCSF home page About UCSF Search UCSF UCSF Medical Center