Specimen Requirements
Title
Hepatitis Bs (Surface), AG
Specimen Requirement
1 SST/2.0 mL serum. After 30 minutes of clotting, promptly centrifuge and refrigerate.
Methodology
Chemiluminescent Microparticle Immuno Assay (CMIA)
Stability
Room Temp: 14 days; Refrigerated: 31 days; Frozen: 2 months
Reference Range
By Report
Turnaround
1-2 days
Clinical Use
Hepatitis B surface antigen (HBsAg) is a distinctive serological marker of acute or chronic hepatitis B infection. HBsAg is the first antigen to appear following infection with HBV and is generally detected 1-10 weeks after the onset of clinical symptoms.
Test Code
GBSAG