Hepatitis A Virus Antibody, Total Mnemonic HEP A AB Synonym HAvAb - Hepatitis A Antibody Total (IgG + IgM) Includes Total (IgG + IgM), IgM if positive Specimen Collection Requirements Collect Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube Supply Item Number - 101235 or 101192 Handling Allow serum tubes to clot completely at room temperature (minimum - SST: 30 minutes, red top tubes: 60 minutes). Centrifuge and separate serum from cells within 12 hours of collection. Preferred Volume 1.5 mL Serum Minimum Volume 0.75 mL Serum (1.8 mL minimum whole blood draw) Transport Refrigerated (2-8°C), if the specimen will be delayed more than 48 hours, freeze serum at ≤ -20°C Rejection Criteria Grossly hemolyzed or plasma specimens, specimens with microbial contamination Stability BEFORE SEPARATION FROM CELLS: Room Temperature (18-26°C): 12 hours; Refrigerated (2-8°C): 24 hours AFTER SEPARATION FROM CELLS: Room Temperature (18-26°C): 12 hours; Refrigerated (2-8°C): 7 days; Frozen (≤ -20°C): 365 days Testing Information Performed Mon-Sat Reported 24-48 hours Method Chemiluminescent Immunoassay Reference Values Reference Values Non-Reactive Comments Reactive samples will be reflexed to Hepatitis A Antibody, IgM for an additional charge. CPT Codes Total: 86708, IgM: 86709 Last Updated: Thursday, May 9, 2019 12:04:56 PM Client Services: 503-413-1234