Hepatitis B Surface Antigen ( Acute exposure)
This test, also known as HBsAg, checks for the presence of the Hepatitis B Surface Antigen in your blood.
Hepatitis B Surface Antigen
This test, also known as HBsAg, checks for the presence of the Hepatitis B Surface Antigen in your blood.
The Hepatitis B Surface Antigen is the earliest indicator of the presence of a Hepatitis B infection.
Typically, a negative HBsAg means that the person does not have Hepatitis B. There are rare windows of time in which the HBsAg antibodies will have disappeared while long-term IgG antibodies have not yet appeared.
This information is for educational purposes only, and does not constitute medical advice, diagnosis or treatment in any way. This site does not replace the services of licensed health care professionals and all site users should consult with a physician regarding their health concerns.