Anti-HAV IgM, HAV IgM Ab, Anti-HAV IgG, HAV IgG Ab
Hepatitis A IgM Antibody (anti-HAV IgM) Hepatitis A IgG Antibody (anti-HAV IgG)
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.
Refrigerate samples if delay in transporting to laboratory is anticipated. Do not freeze.
Chemiluminescent Microparticle Immunoassay (for both anti-HAV IgG and anti-HAV IgM)
Acute infection: IgM positive Past infection: IgG positive, IgM negative
Anti-HAV IgM: <1 - 3 days Anti-HAV IgG: <1 - 3 days
Anti-HAV IgM: Monday – Friday
Anti-HAV IgG: Monday – Friday