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.
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