"Clinical Significance
Hepatitis A IgM Antibody -
IgM antibodies to Hepatitis A suggest a current, acute or recent Hepatitis A infection.
Preferred Specimen(s)
1 mL serum
Alternative Specimen(s)
Plasma collected in: EDTA (lavender-top) tube
Minimum Volume
0.5 mL
Collection Instructions
Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.
Transport Container
Serum Separator Tube (SST®)
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 30 days
Reject Criteria
Gross hemolysis • Grossly lipemic