Hep BsAg
Test:
809
CPT:
86706
Synonyms
Anti-HBs
Antibody to Hepatitis B Surface Antigen
HBV
Special Instructions
Expected Turnaround Time
1 – 2 days
Specimen Requirements
Specimen
1 – 2 days
Volume
0.5 mL
Minimum Volume
0.3 mL (Note: This volume does not allow for repeat testing.)
Container
Red-top tube, gel-barrier tube, or lavender-top (EDTA) tube
Collection
If tube other than a gel-barrier tube is used, transfer separated serum or plasma to a plastic transport tube.
Storage Instructions
Room temperature
Causes for Rejection
Cadaver specimens; heat-inactivated specimens; body fluids other than serum or plasma
Test Details
Use
Presence of antibody to hepatitis B surface antigen (anti-HBs) is used to determine immune status to HBV or disease progression in individuals infected with HBV. Anti-HBs levels can be measured to determine if vaccination is needed, or following a vaccination regimen, to determine if protective immunity has been achieved.