Anti-HBs is a specific antibody directed against the hepatitis B surface antigen. Anti-HBs can be formed following a Hepatitis B infection or after a Hepatitis B vaccination. This test is used within the scope of hepatitis B vaccination to check the necessity and success of vaccination. Moreover, anti-HBs tests are used to monitor the course of disease following acute hepatitis B infection.
Preparation of Patient: There is no special physical preparation for the test.