Is second liver two and a half checked to draw blood

Do hepatitis B two-in-a-half test needs to draw blood, but do not need fasting. This test is to check the hepatitis B surface antigen in the blood, hepatitis B surface antibody hepatitis B, hepatitis B e antibody and hepatitis B e antigen, hepatitis B core antibody a total of five markers. Because to detect its concentration in the blood, so generally is to draw blood tests.