Hepatitis B Surface Antigen with Reflex Confirmation
Test code
CPT code(s)*
Test resources
Details
Includes
If Hepatitis B Surface Antigen is positive, then confirmatory testing based on the manufacturer's FDA approved recommendations will be performed at an additional charge (CPT code(s): 87341).
Methodology
Immunoassay (IA)
Alternative name(s)
Australian Antigen,Hep B,HBsAg
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 2 mL serum |
| Alternative specimen(s) | Plasma collected in: EDTA (lavender-top) tube |
| Minimum volume | 1 mL |
| Collection instructions | Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation. Note: When only a single test, Hepatitis B Surface Antigen, is ordered to diagnose Hepatitis B in a pregnant woman, additional tests such as liver enzymes should be ordered to confirm the diagnosis. |
| Transport container | Serum separator tube (SST) |
| Transport temperature | Room temperature |
| Specimen stability | Room temperature: 7 days |
| Reject criteria | Gross hemolysis • Grossly lipemic |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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