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Home Our Specialties Pathology Pathology Lab Services HEPATITIS A VIRUS HAV ANTIBODY

HEPATITIS A VIRUS (HAV) ANTIBODY

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Lab Section Category	Virology View write-up
Test Description	Hepatitis A IgM Antibody (anti-HAV IgM) Hepatitis A IgG Antibody (anti-HAV IgG)
Specimen Required	3 – 5 mL plain blood. (a) To diagnose acute infection, send one sample for anti- HAV IgM. (b) To diagnose previous infection and immunity, send one sample for anti-HAV IgG.
Storage/Transport	Refrigerate samples if delay in transporting to laboratory is anticipated. Do not freeze.
Method	Chemiluminescent Microparticle Immunoassay (for both anti-HAV IgG and anti-HAV IgM)
Test Results	Acute infection: IgM positive Past infection: IgG positive, IgM negative
Turnaround Time	Anti-HAV IgM: <1 - 2 days Anti-HAV IgG: <1 - 2 days
Day(s) Test Set up	Anti-HAV IgM: Monday – Saturday Anti-HAV IgG: Monday – Saturday