Hepatitis B Surface Antigen Confirmatory Assay !!! NOTE: The contents are valid only for: 02/10/2025 !!!
| WSLH Department: | CDD - Communicable Disease Division |
| WSLH Test Code: | SS00079 |
| Day(s) Performed: | Test is run daily, Monday-Friday |
| Turn-around Time: | 1-4 days |
| Recommended Uses: | For the confirmation of Hepatitis B Surface antigen detected in other assays |
| Pre-approval: | N |
| Contraindications: | Not intended for use in screening blood or plasma donors. |
| Additional Tests Performed: | |
| Preparation for Collection: | Routine blood draw. |
| Specimen Requirements: | 3 ml of serum (1 ml minimum) or 7-10 ml vacutainer, no additives. |
| Collection Instructions: | Routine blood draw. |
| Collection Kit/Container: |
Serology Specimens
Sterile Transfer Tube |
| Requisition Form: |
CDD Requisition Form B
|
| Required Information: | Laboratory regulations require the following minimum information to be provided on the requisition form for a specimen to be accepted for testing: Patient name or unique identifier; date and time of collection, patient date of birth and sex, specimen type/site of collection, test request(s), clinician name and UPIN, and address for reporting results. Please be certain that name/identifier on the form matches that on the specimen label. |
| Rejection Criteria: | Specimens that have been heat-inactivated, pooled, grossly hemolyzed, or have obvious microbial contamination. Specimens stored for more than 6 days not frozen at -20 degrees C. Cadaveric specimens or body fluids other than human serum are unacceptable. |
| Specimen Handling: | Specimens must be stored and transported to the lab at 2-8C (refrigerated with cool packs). Freeze serum if testing will not be performed within 6 days of collection. |
| Packaging Requirements: | |
| Courier Information: | |
| Specimen Receiving Hours: | Monday-Friday 7:45 AM - 4:30 PM, Saturday 7:45 AM - 12:00 PM |
| Results Include: | Confirmed Positive, Not Confirmed |
| Limitations: | |
| Additional Tests Recommended: | Hepatitis B Diagnostic Panel is recommended in patients with a positive HBsAg result. |
| Additional Comments: | Not recommended as a standalone test. May be ordered to complete testing started at another facility. Results should be used in conjunction with patient history and other hepatitis markers for diagnosis of acute and chronic infection. |
| Methodology: | Chemiluminescent microparticle immunoassay (CMIA) |
| Includes: | Qualitative immunoassay for the confirmation of Hepatitis B Surface antigen (HBsAg). |
| Regulatory Compliance: | |
| CPT Code: | 87341 |
| Price: | $71.00 Price Effective 1/1/25 |
| Fee Exempt Eligible: | N |
| Billing and Revenue Office: | 1-800-862-1065 arbill@slh.wisc.edu |