Test Code LAB471 Hepatitis B Surface Antigen
Performing Lab
Arnot Ogden Medical Center
Ordering Recommendations
Diagnosis of acute, recent, or chronic hepatitis B infection.
Determination of chronic hepatitis B infection status.
Collect
Serum
Collection Device
Gold Top Tube
Specimen Volume
5 mL
Stability (from collection to initiation)
| Room Temp | 3 Days |
| Refrigerated | 7 Days |
| Frozen | Indefinite. Max 7 freeze/thaw cycles |
Storage/Transport Temperature
Room Temp, Refrigerated, Frozen
Minimum Requirements
4 mL
Methodology
Chemiluminescence Immunoassay (CLIA)
Performed
Routine testing performed Monday through Friday.
STAT Maternal/Neonatal testing performed within 24 hours of draw/lab notification.
Reflex Testing
Presumptive positive results will be sent to a reference laboratory for confirmatory testing.
Start Date
12/30/20
Last Review Date
2/15/26 ES