Hepatitis B e Ag (HEA)

Department: Virology
Test Synonym(s): LAB908, HEA, Hepatitis B e Antigen, Hepatitis Be Antigen, HBe Antigen
CPT Codes: 87350
Methodology: EIA
Reference Range: Negative
Tube Type: Red top (no gel)
Specimen: Serum only
Alternate Specimen: None
Pediatric Requirements: Red top microtainer (1 mL) x 2 or 3
Volume: 1 tube
Minimum Volume: Red top microtainer (1 mL) x 2 or 3
Temperature: Allow to clot, store refrigerated (2-8 degrees C)
Stability: Room temperature (15-30 degrees C): 24 hours; 2-8 degrees C: up to 6 days; Longer than 6 days: remove serum from clot and store at -20 degrees C
Reasons for Rejection: Same assay within 4 days, heat inactivation, gross hemolysis, lipemia.
Days Performed: Mondays and Thursdays
Times Performed: Morning
TAT: 5 hours to 7 days

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