Test directory: Hepatitis B Surface Antibody

Ordering Code 500
Test Name Hepatitis B Surface Antibody
Alias HBsAb
Hep B Surface Ab
Preferred Specimen Serum
Preferred Container SST (Gold)
Other Specimen/Container Serum in Plain (Red), Plasma in Lithium Heparin (Green-PST),
Plasma in Lithium Heparin (Dark Green-PP No Gel)
Optimum Volume 1 mL
Handling Instructions All specimen types must be centrifuged within 2 hours of collection. If no gel separation present in tube and testing is delayed, plasma/serum is aliquoted from cells within 2 hours of collection.
Transport Requirements Oahu: Ambient
Airline: Ambient
Specimen Stability Ambient: 1 Day
Refrigerated: 1 Week
Frozen: 3 Months
Frozen serum samples should be thawed no more than 6 times
Frozen plasma samples should only be thawed once
DO NOT store in self-defrosting freezers.
Rejection Criteria Grossly Hemolyzed, Lipemia, Insufficient quantity, Specimen older than stability limits
Avail. Stat NO
Analytic Time 3 Days
Methodology Chemiluminescence Immunoassay (CLIA) - Sandwich

Reference range(s)

Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Hepatitis B Surface Antibody ALL NEGATIVE NEGATIVE