HEPATITIS B e ANTIGEN (HEA)
: Red top (no gel)
: Serum only
: Red top microtainer (1 mL) x 2 or 3
: 200 microliters (includes repeat)
: 100 micorliters
: Allow to clot, store refrigerated (2-8C)
: Room temperature (15-30 C): 24 hours; 2-8 C: up to 6 days; Longer than 6 days: remove serum from clot and store at -20 C
Reasons for Rejection
: Same assay within 4 days, heat inactivation, gross hemolysis, lipemia.
: 5 hours to 7 days
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