42200:HEPATITIS A VIRUS ANTIBODY, TOTAL (ANTI-HAV, TOTAL)
Same day as tested
Specimen Collection Details
One 7.5 mL serum separator tube (SST). Also acceptable: One 5 mL red top tube. Patients need not fast and no special preparations are necessary
Allow to clot, centrifuge and immediately separate serum from cells. Refrigerate.Freeze if specimen cannot be assayed within 48 hours. Allow no more than two freeze/thaw cycles. If multiple tests are ordered, send separate specimen for this test.
2 mL serum.
1 mL serum.
Refrigerated, or frozen on dry ice.
Primary use is to determine previous exposure to hepatitis A virus. Increasing titers of anti-HAV in sequential patient specimens may indicate ongoing hepatitis. Useful in determining immune status or for epidemiological studies.
Gross hemolysis; gross lipemia; heat-inactivated specimens; refrigerated specimen received in laboratory more than 48 hours after collection.