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HelpTest Code VZGP Varicella-Zoster IgG, Profile
Performing Laboratory
Hunterdon Medical Center Laboratory
Specimen Requirements
| Container/Tube | |
| Preferred | SST |
| Acceptable | Red Top |
| Specimen Volume | 1.0mL |
| Minimum Volume | 0.5mL |
Useful For
Determining the immune status of individuals to the varicella-zoster virus. VZV virus is the causitive agent of chicken pox and shingles.
Documentation of previous varicalla-zoster infection in an individual with no previous record of immunization.
Specimen Type
Serum
Specimen Transport Temperature
| Ambient 15-25°C |
Specimen Stability
| Temperature | Time Frame |
| Refrigerated 2-8°C | 5 days |
Reject Specimen Due To
Re-collect if specimen is hemolyzed, lipermic or icteric.
Day(s) Test Set up
Monday through Sunday
Reference Values
| Negative | <60 IU/mL |
| Equivocal | 0.60-<0.89 IU/mL |
| Suggest retest in 10-14 days | |
| Positive | ≥0.89 IU/mL |
| The presence of detectable IgG class antibodies indicates prior eposure to the varicella-zoster virusthrough infection or vaccination. Individuals testing positive are considered immune. |
Methodology
ELFA: Enxyme Linked Fluorescent Assay
CPT Code
| TEST ID | CPT | TEST NAME |
| VZG | 86787 | Varicella IgG |
Loinc Code
| TEST ID | LOINC | TEST NAME |
| VZG | 15410-4 | Varicella IgG |
| VZGTV | 5403-1 | Varicella IgG, Quantitative |