| Ordering Code | 495 |
|---|---|
| Test Name | Hepatitis B Surface Antigen |
| Alias | HBsAg Hep B Surface Ag |
| Preferred Specimen | Serum |
| Preferred Container | SST (Gold) |
| Other Specimen/Container | Plasma 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 Volume | 2 mL |
| Handling Instructions | ADD-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 Requirements | Oahu: Ambient Airline: Refrigerated |
| Specimen Stability | Ambient: 6 Days Refrigerated: 14 Days Frozen: 6 Months |
| Rejection Criteria | Insufficient 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. Stat | NO |
| Analytic Time | 2 Days |
| Methodology | Electrochemiluminescence Immunoassay |
Reference range(s)
The reference ranges listed below are valid on this date of May 9, 2025.
| 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 Antigen | ALL | NEGATIVE | NEGATIVE |