Varicella zoster IgG Immune Status
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| WSLH Department: | CDD - Communicable Disease Division |
| WSLH Test Code: | SS02165 |
| Day(s) Performed: | Test is performed once a week. |
| Turn-around Time: | 1-8 days |
| Recommended Uses: | Evaluation of Varicella immune status. |
| Pre-approval: | N |
| Contraindications: | |
| Additional Tests Performed: |
| Preparation for Collection: | |
| Specimen Requirements: | Minimum of 0.5 ml serum |
| 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: | |
| Specimen Handling: | Store serum specimen at 2-8 °C and transport with frozen cold packs. Freeze (-20 to -80°C) specimen if testing will not be performed within 3 days of collection and ship on dry ice. |
| 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: | Results are reported as Present, Equivocal or Absent. Interpretation: Present indicates the level of IgG antibody detected can usually be considered protective. Equivocal indicates an insufficient level of antibody to assure protection. Absent indicates Varicella IgG not detected, indicating patient is susceptible to infection. |
| Limitations: | For immune status testing only. |
| Additional Tests Recommended: | Use Varicella Zoster Virus PCR (VR01727) for diagnosis of current infection. |
| Additional Comments: |
| Methodology: | Indirect Fluorescent Antibody (IFA) assay |
| Includes: | Qualitative IgG IFA assay for the detection of IgG antibodies to Varicella virus. |
| Regulatory Compliance: |
| CPT Code: | 86787 |
| Price: | $24.00 |
| Fee Exempt Eligible: | N |
| Billing and Revenue Office: | 1-800-862-1065 arbill@slh.wisc.edu |