Hepatitis B surface antigen, hepatitis B serology, HBV testing
Category | Virology |
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Test background |
Hepatitis B surface antigen is a marker for current hepatitis B infection (either acute or chronic). |
Clinical Indications |
Screen for evidence of hepatitis B infection. |
Sample & container required | Serum (rust top RST tube) |
Sample volume | 5 mL |
Turnaround time | 3 days (Confirmation: non-negatives up to 10 days) |
Notes | Screening Test performed in Blood Sciences Laboratories (confirmation testing is performed in the Infection & Immunity Laboratory) If hepatitis B surface antigen (HBsAg) screen is positive, further tests for markers of infection HBe-antigen, HBe-antibodies and HB core IgM will be performed. For antenatal HBsAg screen, please select the antenatal HBsAg test request within the antenatal IDPS screen order-set. |