Test Detail
Hepatitis B Surface Antigen
Back to Test Directory| Test Description |
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| Qualitative detection of hepatitis B surface antigen. | |||||
| Reflex Test(s) | |||||
| Hepatitis B Surface Antigen Confirmation by Chemiluminescent Immunoassay (CLIA) - DiaSorin | |||||
| Performed | Avg. Turnaround Time | Method | |||
| Coralville, 8 a.m. - 5 p.m., M-F |
5 - 7 business days | Chemiluminescent Immunoassay (CLIA) - DiaSorin | |||
| Fee | CPT Code(s) | ||||
| $19.30 | 87340 | ||||
| Specimen Requirements | |||||
| Specimen Type: | Minimum 1 mL Serum | ||||
| Collection Instructions: |
Blood should be collected aseptically by venipuncture, allowed to clot, and the serum separated from the clot as soon as possible.
Red Top Tube: centrifuge and transfer serum to a secondary tube. |
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| Temperature and Stability: | Refrigerate (2-8 degrees C); stable for up to 7 days. Freeze (-20 degrees C); stable for more than 7 days. | ||||
| Unacceptable Conditions: | Plasma, CSF. Grossly hemolyzed or lipemic samples as well as samples containing particulate matter or exhibiting obvious microbial contamination should not be tested. | ||||
| Expected Results: | |||||
| Non Reactive, Reactive | |||||
| Shipping: | |||||
| Wrap specimen container in absorbent material and place inside a biohazard bag. Transport specimen with cold pack. Ship to the Coralville location. | |||||
| Comments | |||||
| A reactive test result indicates patient is presumed positive for HBsAg and a confirmatory test will follow (Hepatitis B Surface Antigen Confirmation by Chemiluminescent Immunoassay (CLIA) - DiaSorin). A non-reactive test result indicates patient is presumed negative for HBsAg. Tests of Public Health Significance (TOPHS): All tests submitted to SHL at no charge as Tests of Public Health Significance (TOPHS) must come from State of Iowa Department of Health and Human Services (HHS)-approved test sites, such as Community-Based Screening Services (CBSS) and Integrated Testing Services (ITS) sites. To qualify as TOPHS testing individuals must be unvaccinated for hepatitis B and meet one or more of the following criteria: 1. Men who have sex with men; 2. HIV-positive persons -- select "Previous related diagnosis/therapy" as an indicated risk; or 3. Persons who have ever injected drugs (PWID). | |||||
| Alternate Names | |||||
| HBsAg, Hep B surface antigen, HBV surface antigen, HBsAG Neutralization | |||||
