Hepatitis B surface antigen 0.02ng/ml is within the normal range, but if other test results are abnormal you may be carrying the hepatitis B virus or have a previous infection.
If the normal range of Hepatitis B surface antigen is 0~0.05ng/ml and the test is 0.02ng/ml, which is within the normal range, it means that Hepatitis B surface antigen is negative.
However, the existence of infection should also refer to the results of other tests in the five items of hepatitis B, such as hepatitis B e antibody or hepatitis B core antibody is positive, it means that there may have been hepatitis B virus infection, etc., which does not belong to the normal range, and need to be dealt with according to the results of the specific test in accordance with the doctor’s instructions.
Therefore, hepatitis B surface antigen 0.02ng/ml is within the normal range, but still need to refer to other results.