Laboratory Medicine Program

Hepatitis B Surface Antigen
(HBsAg, Qualitative, screening test, Monitoring Only)

Clinical Decription:
Hepatitis B Surface Antigen (HBsAg) assays are used to identify and monitor persons infected with Hepatitis B virus (HBV). There are two Hepatitis B Surface Antigen tests available. The qualitative screening assay is used for identifying the presence of HBV infection. This assay provides qualitative result and first time positives are confirmed using a neutralization assay. The quantitative assay is for monitoring individuals known to be HBV positive.
<br/><em>1. Alinity i HBsAg Reagent Kit. Abbott. Revised June 2019. 2. Alinity i HBsAg Calibrators Kit. Abbott. Revised June 2019. 3. Alinity i HBsAg Controls. Abbott. Revised June 2019. 4. Bio-Rad Viroclear Control. Bio-Rad. November 2019. 5. Bio-Rad Virotrol I Control. Bio-Rad. June 2019.</em>

Method: Chemiluminescent immunoassay (CLIA)

Component Tests Used: n/a

Reference Ranges Used:
qualitative/screening assay: Negative. monitoring assay: <0.05 IU/mL, Negative

Specimen Type: Serum
Volume: 3 mL (minimum: 1 mL)

Shipping: None

Special Instructions: n/a

Testing Schedule(s): Please call

Turnaround Time: None

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For more information, call 416.340.5227 or 1.866.865.5227

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