Hepatitis A Antibody Test to diagnose the Hepatitis A Virus (HAV) in the blood. The hepatitis A test looks for antibodies to the HAV virus in the blood. These antibodies are proteins made by the body in response to the presence of the hepatitis A virus. Our type- specific hepatitis A antibody test is used to determine whether a person is or has been infected with the hepatitis A virus.
Hepatitis A Antibody, Total
This test is used to help diagnose a liver infection due to the hepatitis A virus. There are several causes of hepatitis and the accompanying symptoms, so this test may be used to determine if the symptoms are due to hepatitis A.
The total Hepatitis A antibody test detects both IgM and IgG antibodies and thus may be used to identify both current and past infections. This test will also be positive after receiving the vaccine, so sometimes it may be used to determine whether a person has developed immunity after vaccination.
A positive result Hepatitis A Antibody, Total that is not accompanied with Hepatitis A IgM test indicates exposure to hepatitis A vairus but does not rule out acute infection.
A Negative result Hepatitis A Antibody, Total that is not accompanied with Hepatitis A IgM test indicates no current or previous HAV infection; vaccine may be recommended if at risk.