Anti-HBsAg (Antibodies to Hepatitis B Surface Antigen)
Methodology
The Anti-HBsAg assay is a sandwich immunoassay that uses direct chemiluminescent technology.
Test Utility
The Anti-HBsAg test is used to determine immunity to HBV through either viral infection or vaccination against HBV.
Specimen Collection and Preparation
Serum or plasma sample in the following tubes:
Serum separator tube (gold or tiger top)
EDTA (lavender top) and Lithium/Sodium Heparin (green top)
Specimen Storage and Stability
Store serum or plasma at the following temperatures:
Room temperature:
Up to 7 days – Serum and EDTA plasma
Up to 3 days – Heparin plasma
Refrigerated 2°C to 8°C:
Up to 7 days (Primary tube samples – stoppered and upright)
Frozen: -20°C or lower
Specimen Rejection
Insufficient sample volume
Sample not stored at proper temperature
Frozen whole blood
Severely hemolyzed samples
Severely lipemic specimens
Specimen labeled incorrectly or not labeled
Reference Pages
Performed
Monday – Saturday
Result available within 24 hours of receipt in laboratory
NOTE: Specimens are refrigerated (2-8°) for 7 days before disposal
Contacts
Vibra Health Laboratory
1307- A, Allen Dr
Troy, MI 48083
(248) 846-0663