"Clinical Significance
Hepatitis B Surface Antibody, Qualitative (REFL) - The detection of anti-HBs is indicative of a prior immunologic exposure to the antigen or vaccine. To determine immune status as ≥10 µIU/mL as per CDC guidelines, please order Hepatitis B Surface Antibody, Quantitative.
Preferred Specimen(s)
1 mL serum
Alternative Specimen(s)
Plasma collected in an EDTA (lavender-top) tube
Minimum Volume
0.5 mL
Transport Container
Serum Separator Tube (SST®)
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 30 days
Reject Criteria
Gross hemolysis • Grossly lipemic
Includes
This is a client specific reflex test. Reflex criteria has been pre-defined by the ordering physician. Additional testing will be performed at an additional charge.
Methodology
Immunoassay (IA)
Reference Range(s)
Non-Reactive