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. |