Hepatitis B Surface Antigen
Laboratory Fee Schedule
Procedure: MBK0213A
CPT: 87340
| Synonym(s): | Enzyme Immunoassay (EIA) for the Detection of Hepatitis B Surface Antigen (HBsAg) in Human Serum Specimens |
|---|---|
| Requisition Form | G-2A |
| Test Description | A qualitative enzyme immunoassay for the detection of Hepatitis B Surface Antigen (HBsAg) in human serum |
| Pre-Approval Needed | N/A |
| Supplemental Information Required | N/A |
| Supplemental Form(s) | N/A |
| Performed on Specimens from (sources) | Human |
| Sample/Specimen Type for Testing | Serum |
| Minimum Volume/Size Required | 500 µL |
| Storage/Preservation Prior to Shipping | Serum separated from the clot may be stored at 2°C to 4°C up to 48 hours, but then must be frozen at -20°C or colder |
| Transport Medium | N/A |
| Specimen Labeling | At least 2 patient specific identifiers: First and last name as one identifier and a DOB or a unique patient specific identifier (e.g. Medical Record number); must match information on submission form (G-2A). |
| Shipping and Specimen Handling Requirements |
|
| Method | EIA for the detection of antibodies |
| Turn-around Time | 4 working days |
| Interferences/Limitations | A person who has been vaccinated for hepatitis B may have transient reactivity for up to 18 days. |
| Common Causes for Rejection | Insufficient quantity, unacceptable specimen type or source, improper shipping conditions, expired media or collection container, discrepancies between specimen label and submission form, and/or incomplete or missing submission form |
| Additional Information | A designation of reactive for HBsAg must not be based on a single reactive test result. |