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- Normal results are negative or nonreactive, meaning that you don't have the hepatitis A antibodies in your blood. If your test is positive or reactive, it may mean: You have an active HAV infection You have had an HAV infection in the past You have gotten the hepatitis A vaccine
www.urmc.rochester.edu › encyclopedia › contentHepatitis A Antibody - Health Encyclopedia - University of ...
Interpretation of hepatitis A laboratory results. *Ingestion of high levels of biotin can significantly interfere with certain commonly used biotinylated immunoassays, such as those used to detect anti-HAV, and cause false-positive or false-negative laboratory test results.
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What does a positive HEP a AB total mean?
What does a reactive hepatitis A antibody test mean?
What is HEP a AB test?
A reactive hepatitis A antibody test means that your body has produced antibodies in response to the hepatitis A virus. This can indicate that you have been infected with the virus in the past, or that you have received the hepatitis A vaccine.
Jan 11, 2024 · How to interpret test results. This table can help you interpret hepatitis A laboratory results. Total anti-HAV. Anti-HAV IgM. Interpretation. Positive. Current infection, recent infection, or recent vaccination. Positive. Not done. Previous infection or current infection; cannot differentiate recent from remote infection or prior vaccination.
Hep A Ab, Total refers to the total antibody test for Hepatitis A virus (HAV). This test measures the overall level of antibodies, including both IgM and IgG antibodies, produced by the body in response to HAV infection or vaccination.
Normal results are negative or nonreactive, meaning that you don't have the hepatitis A antibodies in your blood. If your test is positive or reactive, it may mean: You have an active HAV infection. You have had an HAV infection in the past. You have gotten the hepatitis A vaccine.
Sep 27, 2019 · Selected resources for health care providers on hepatitis A, from the VA National Viral Hepatitis and Liver Disease website.
Feb 1, 2024 · CLINICAL MANIFESTATIONS. Typical manifestations — Acute HAV infection in adults is usually a self-limited illness; fulminant hepatic failure occurs in fewer than 1 percent of cases. The incubation period of hepatitis A infection averages 28 days (range 15 to 50 days) [48].
