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HelpTest Code LAB471 Hepatitis B Surface Antigen
Clinical System Name
Hepatitis B Surface Antigen
Synonyms
Australia antigen HAA
HBSAG
HepB S Ag
Sample Requirements
Specimen: Whole blood
Container(s): Gold SST, Red, Lt Green/Lithium Heparin, Dark Green/Sodium Heparin, Lavender/EDTA
Preferred Vol: 2.0 mL
Minimum Vol: 1.6 mL
Note:
Processing Instructions
Reject due to:
Spin: Y
Aliquot: Y
Temp: 2 - 8 C
Storage location: CPA refrigerator, FrigD rack. Serum/plasma should be removed from separator for storage.
Off-site collection: Spin blood. Transfer serum/plasma to plastic aliquot container.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| serum/plasma | Room temp | 24 h |
| Refrigerated | 6 d | |
| Frozen | 2 m |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M, W, F | 1 - 5 d |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem West
Phone Number: (206) 987-2617
CPT Codes
87340
Methodology
Method: Chemiluminescent microparticle immunoassay (CMIA) on the Alinity i
Analytical Volume: 0.8 mL serum
Limitations:
Reference Range
Nonreactive