Test directory: Hepatitis B Surface Antigen

Ordering Code495
Test NameHepatitis B Surface Antigen
Hep B Surface Ag
Preferred SpecimenSerum
Preferred ContainerSST (Gold)
Other Specimen/ContainerPlasma in Citrate, 3.2% (Lt Blue), Plasma in EDTA, K2 (Lavender), Plasma in Lithium Heparin (Green), Plasma in
Sodium Heparin (Green), Serum in Plain (Red)
Optimum Volume2 mL
Handling InstructionsADD-ON WARNING: LIS may restrict add-on requests for this specific test based on available tubes due to the potential of carryover that exists when adding on to previously aliquoted tubes using non-disposable pipettes.
Transport RequirementsOahu: Refrigerated
Airline: Frozen
Specimen StabilityAmbient: 6 Days
Refrigerated: 14 Days
Frozen: 6 Months
Rejection CriteriaInsufficient quantity, Specimen older than stability limits,
Wrong specimen type, Heat-inactivated samples, Samples stabilized with azide, Samples which had been through more than 6 cycles of freeze and thaw
Avail. StatNO
Analytic Time2 Days
MethodologyElectrochemiluminescence Immunoassay

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Hepatitis B Surface AntigenALLNEGATIVENEGATIVE