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HelpTest ID BLOD0679 Hepatitis B Surface Antigen
AKA
HBsAg
Specimen Type/Requirements
Gold-Top (Seum SST) Tube-Preferred
Lavender-Top (EDTA Plasma) Tube
Green-Top (Sodium Heparin) Tube
Green-Top (Lithium Heparin) Tube
***Specimen must be spun and aliquoted within 24 hours
Specimen Volume
| Preferred Volume | 2 mL serum/plasma |
| Minimum Volume | 1 mL serum/plasma |
Stability/Transport
| Room Temperature | 24 Hours | |
| Refrigerated | 6 days (poured in aliquot tube) | Preferred for Transport |
| Frozen | >6 days (poured in aliquot tube) |
Performed Test Frequency
Monday-Sunday
Methodology
Chemiluminescence – Direct Sandwich
CPT
87340
Instructions
Specimen must be separated within 24 hours of the draw.