One 7.5 mL serum separator tube (SST). Also acceptable: One 5 mL red top tube. Patients need not be fasting and no special preparations are necessary.
Handling:
Allow to clot, centrifuge and immediately separate serum from cells. Refrigerate. Freeze if specimen will not be assayed within 48 hours. Avoid repeated freeze/thaw cycles. If other testing is ordered, send separate specimen for this test.
Standard Volume:
2 mL serum.
Minimum Volume:
1 mL serum.
Transport:
Refrigerated, or frozen on dry ice.
Comments:
Used to determine immunity to Hepatitis B virus.
Rejection Criteria:
Gross hemolysis; gross lipemia; heat-inactivated specimens; refrigerated specimen received in laboratory more than 48 hours after collection.
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