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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| Shipping: | |||||
| Specimens should be stored and shipped under the same conditions. Wrap specimen container in absorbent material and place inside a biohazard bag. Transport specimen with cold pack. Ship to the Coralville location. | |||||
| Temperature and Stability: | Refrigerate (2-8 degrees C); stable for up to 7 days. Freeze (-20 degrees C); stable for more than 7 days. | ||||
| Rejection Criteria: |
Specimens will be rejected if received under these conditions: Plasma, CSF. Grossly hemolyzed or lipemic samples as well as samples containing particulate matter or exhibiting obvious microbial contamination should not be tested. Specimens not received in the correct temperature ranges stated under "Temperature and Stability" will be rejected. |
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| Expected Results: | |||||
| Non Reactive, Reactive | |||||
| 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 | |||||
