Hepatitis B surface antigen, hepatitis B serology, HBV testing
| Category | Virology |
|---|---|
| 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. |