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HelpTest Code LAB471 Hepatitis B Surface Antigen (HBsAg)
Department
CHEMISTRY
Primary Collection Container
Gold (SST)
Alternate Collection Container
Yellow Microtainer SST
Transport
Serum refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Allow specimen to clot completely.
Centrifuge, filter and refrigerate.
Stability
Refrigerated: 14 days
Frozen: 6 months
Minimum Testing Volume
0.5 mL
Reference Range
Non-Reactive
Methodology
Roche e801 Electrochemiluminescence Immunoassay; Sandwich principle
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
87340 (x2 if positive)
Unacceptable Conditions
Hemolysis, lipemia.
Additional Information
Reflex to confirmation if positive.