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Hepatitis B Virus Surface Antigen, Confirmation
Test Code94936
CPT Codes
87341<br /> Limited Access Code
Preferred Specimen
2.5 mL serum
Minimum Volume
1.5 mL
Other Acceptable Specimens
Plasma collected in a K2 EDTA (pink-top) tube, or EDTA (lavender-top) tube
Instructions
Separate serum or plasma from cells ASAP or within 2 hours of collection. Avoid repeated freeze/thaw cycles. Transfer 2.5 mL serum to an ARUP Standard Transport Tube.
Transport Container
ARUP Standard Transport Tube
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: Indefinitely
Refrigerated: 7 days
Frozen: Indefinitely
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Heparinized plasma • Specimens containing particulate material or obvious microbial contamination • Heat-inactivated specimens • Severely hemolyzed, or lipemic specimens
Methodology
Chemiluminescent
Setup Schedule
Set up: Daily; Report available: 2-4 days
Reference Range
See Laboratory Report
Clinical Significance
Detect acute or chronic HBV infection
