Effective Thursday, April 18, 2024, Corewell Health Laboratory will discontinue the send out test Hepatitis A IgG Antibody, Serum (Mayo Test ID: HAIGG). This test has been made obsolete by Mayo Clinic Laboratories. We recommend to our healthcare providers the following in-house testing:
1.Hepatitis A Total Antibody (LAB1230596): intended for the clinical laboratory diagnosis of acute or past hepatitis A virus infection in persons with signs or symptoms of hepatitis and in persons at increased risk for hepatitis A infection, to identify HAV susceptible individuals and to determine the presence of an antibody response to HAV in vaccine recipients.
2.Hepatitis A Antibody, IgM (LAB7980): intended for use as an aid in the laboratory diagnosis of an acute or recently acquired hepatitis A virus infection.
Clinical utilization note: Due to its sensitivity to IgM, Hepatitis A Total Antibody in our methodology is positive as early as the onset of symptoms therefore samples with negative Hepatitis A Total Immunoglobulin results will not have the Hepatitis A IgM analysis performed.
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