Hepatitis B panel
Also written: HBsAg · anti-HBs · anti-HBc
What it measures
Several different markers: whether there is current infection, past infection, and whether there is immunity from vaccination.
Why it is ordered
Very common in health checks, before vaccination, in pregnancy, and before starting certain immunosuppressive drugs.
How to prepare
No fasting needed.
Units
Dương tính / âm tính; riêng anti-HBs có thể định lượng: mIU/mL — convert here
What to ask
- Which markers are in this panel and what does each mean
- Do I need vaccination or am I already immune
- Should my household be tested too
This page does not include reference ranges and does not say whether your number is high or low. Reference ranges differ between laboratories and between people — read yours on your own report, with your clinician.