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HelpTest ID VZGM Varicella-Zoster Antibody, IgM and IgG, Serum
Useful For
Laboratory diagnosis of acute and recent infection with varicella-zoster virus (VZV)
Determination of immune status of individuals to the VZV
Documentation of previous infection with VZV in an individual without a previous record of immunization to VZV
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
SerumSpecimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 14 days |
| Frozen | 14 days |
Reference Values
IgM
Negative
Reference values apply to all ages.
IgG
Vaccinated: positive (≥1.1 antibody index [AI])
Unvaccinated: negative (≤0.8 AI)
Reference values apply to all ages.
Day(s) Performed
Monday through Friday
CPT Code Information
86787 x2
Report Available
Same day/1 to 3 daysReject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
| Heat-inactivated specimen | Reject |
Forms
If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.