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Hepatitis B Surface Antigen, Confirmation

Name:    Hepatitis B Surface Antigen, Confirmation
Specimen:    2.5 mL serum from a Red SST or Red top tube. Separate serum from cells ASAP. EDTA plasma is also acceptable but heparinized plasma is not acceptable.
Minimum Spec:    1.5 mL
Transport Temp:    Refrigerated
Spec Stability:    Stable 7 days refrigerated.
Ref Lab/Code:    ARUP 0020128
  Method:    Chemiluminescent Immunoassay
Note:    This test (HBSAG CONF) is reflexively ordered by a rule to confirm positive HBsAg samples. This is not to be a primary order. The sample will be sent to ARUP Labs for confirmatory testing.