Hepatitis B Surface Antigen HBSAG
| Method(s) | Chemiluminescent Immunoassay |
|---|---|
| Specimen Required | |
| Collect | One 5 mL gold (SST) top tube. Also acceptable: heparin plasma. |
| Transport | 1 mL serum at 2-8ºC. (Min: 0.5 mL but insufficient for confirmatory testing if required). |
| Stability | Ambient: 24 hours; Refrigerated: 14 days; Frozen: 1 month |
| Schedule | Daily, except Sundays |
| Billing Code | 2010052 |
| CPTCode | 87340 |
| Notes | Results of this assay may be falsely decreased (ie: false negative) in patients taking over-the-counter biotin supplements. |
| Preferred Specimen Collection Device(s) | |
| Reference Interval | |
|
Negative. |
|
