Hepatitis B Surface Antibodies Test (Anti-HBs) or HBsAb

Hepatitis B Surface Antibodies (HBsAb) Test or Anti-HBs is used to help identify if a person has developed immunity to the hepatitis B virus (either by infection or vaccination).

Hepatitis B Surface Antibodies Test is a qualitative test meaning that it will result in positive (reactive) or negative (nonreactive) to the virus, it is a test normally required when applying to a new job or school.

Hepatitis B is a viral infection of the liver spread through contact with contaminated bodily fluids (including blood). More than half of Hep B infections display no symptoms

Preparation: Fasting is not necessary for this test. If you normally take Biotin, please stop ingesting it 72 hours before the test.