Infections
Hepatitis B (HBsAg) test
Also called HBsAg, hepatitis B
Looks for hepatitis B virus.
Why it's done
Routine in pregnancy and before surgery; also with liver problems.
What a high result can mean
Reactive means hepatitis B infection; in pregnancy the baby gets a vaccine and antibodies at birth.
Got a report with Hepatitis B (HBsAg)?
Upload the PDF to Clarilab: it reads the values in your browser, flags anything out of range and tracks your results over time.