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Test Code HepB S Ag Hepatitis B Surface Antigen

Clinical System Name

Hepatitis B Surface Antigen


Australia antigen HAA

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



Processing Instructions

Reject due to: EDTA plasma frozen

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. Send frozen if transport will take longer than 2 days.



Specimen Type Temperature Time
gel separator with serum Refrigerated 8 h
separated serum Room temp 8 h
  Refrigerated 2 d
  Frozen  2 m



STAT Performed TAT
N M, W, F 1 - 5 d


Performing Laboratory

Seattle Children's Laboratory    


Department:  Chemistry

Location: Chem West

Phone Number:  (206) 987-2617

Reference Range

Reference values accompany patient report.




Method: Chemiluminescent Immunoassay on Vitros 3600

Analytical Volume: 0.8 mL serum


CPT Codes