Is hepatitis B surface antibody more than 500 normal?

Hepatitis B surface antibody 500 generally refers to hepatitis B surface antibody higher than 500mIU/ml, hepatitis B surface antibody higher than 500mIU/ml is usually a normal phenomenon.

Hepatitis B surface antibody is the antibody produced by the human immune system stimulated by hepatitis B surface antigen. After binding with hepatitis B surface antigen, it can effectively eliminate hepatitis B virus to prevent the occurrence of chronic hepatitis B. In addition, hepatitis B surface antibody in human body is generally higher than 10mIU/mL, and its increase to 500mIU/ml is mostly related to factors such as injection of hepatitis B vaccine and vaccination with anti-HBs immunoglobulin. It is a protective antibody, so hepatitis B surface antibody higher than 500mIU/ml is usually a normal phenomenon.