VZ IgG by EIA (VZB)
Department: Virology
Test Synonym(s): LAB162, V-Z antibody, VZB, V-Z Immunity
CPT Codes: 86787
Methodology: EIA
Reference Range: Unvaccinated: Negative Vaccinated: Positive
Tube Type: Gold top SST (Clot activator with gel) or Red top (no gel)
Specimen: Serum only
Alternate Specimen: None
Pediatric Requirements: Red top microtainer (1 mL) x 2
Volume: 1 tube
Minimum Volume: Red top microtainer (1 mL) x 2
Temperature: Allow to clot, store refrigerated (2-8 degreesC)
Stability: Labile specimen. Keep refrigerated.
Reasons for Rejection: Same assay within 4 days, gross contamination, hemolysis, lipemia, icterus
Days Performed: Monday - Friday
Times Performed: Morning
TAT: Same day to 3 days
Significance: Positive IgG antibody may indicate recent or past varicella-zoster infection or immunization.
Special Instructions: IFA performed (at no charge) to confirm negative and equivocal results
Search Help
Search Options for the Test Directory:
1. Enter the test name in the Keyword search field.
Hint: You can also enter any part of the test name to expand the search.
(Example: you can type "west" or "sed" or "rate" to find Westergren Sedimentation Rate)
2. Enter the Vanderbilt Test Code, if known.
3. Choose one of the letter boxes to display a list of all test names and keywords starting with that letter.
If you are unable to find a test in our directory, please contact VPLS at
1-800-551-5227 or e-mail emily.k.thompson@vumc.org.