Hepatitis B Core Antibody
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| WSLH Department: | CDD - Communicable Disease Division |
| WSLH Test Code: | SS00076 |
| Day(s) Performed: | Daily, Monday - Friday |
| Turn-around Time: | 1-4 Days |
| Recommended Uses: | Serodiagnosis of acute, chronic, or resolved Hepatitis B infection. |
| Pre-approval: | N |
| Contraindications: | Not intended for use in screening blood or plasma donors |
| Additional Tests Performed: |
Reactive specimens are automatically reflexed to Hepatitis B Core IgM Antibody SS00071 for an additional charge. |
| Preparation for Collection: | |
| Specimen Requirements: | 3 ml of serum (1 ml minimum) or 7-10 ml vacutainer, no additives |
| Collection Instructions: | Routine blood draw |
| Collection Kit/Container: |
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| Requisition Form: |
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| 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 7 days not frozen at -20°C. Cadaveric specimens (collected post-mortem), and body fluids other than serum. |
| Specimen Handling: | Specimens must be stored refrigerated (2-8°C) and transported to the lab with frozen cold packs. Freeze serum if testing will not be performed within 7 days of collection. |
| Packaging Requirements: | |
| Courier Information: | This test is not eligible for fee-exempt courier service. |
| Specimen Receiving Hours: | Monday-Friday 7:45 AM - 4:30 PM, Saturday 7:45 AM - 12:00 PM |
| Results Include: | Non-reactive or Reactive |
| Limitations: | This assay does not distinguish between past, chronic or recent exposure to HBV. It does not distinguish between detection of IgG and IgM antibodies. |
| Additional Tests Recommended: | |
| 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 IgG and IgM antibodies to the Hepatitis B virus core antigen. Hepatitis B Core IgM Antibody will be performed, if indicated, and an additional charge will be incurred. |
| Regulatory Compliance: |
| CPT Code: | 86704 |
| Price: | $22.00 |
| Fee Exempt Eligible: | Yes, with DHS approval only, 608-267-9003 |
| Billing and Revenue Office: | 1-800-862-1065 arbill@slh.wisc.edu |