Test Directory
4266 Varicella Zoster IgG
Specimen Type
Specimen Stability
Reference Range
Serum-SST
7 days 2-8°C
<0.9 Index values=Negative for anti-VZV IgG antibody, presumed non-immune to VZV infection;
0.9-1.1 Index values=Equivocal, recommend re-testing in 2 weeks if indicated
>1.1 Index values; Positive for anti-VZV IgG antibody, presumed immune to VZV infection.
0.9-1.1 Index values=Equivocal, recommend re-testing in 2 weeks if indicated
>1.1 Index values; Positive for anti-VZV IgG antibody, presumed immune to VZV infection.
Specimen Requirements
Preferred amount: 1.0 mL Serum
Minimum amount: 0.5 mL Serum
Minimum amount: 0.5 mL Serum
Method
Enzyme-linked immunosorbent assay (ELISA)
Schedule
Mon-Fri
Turn-Around Time
24hrs
Instructions/Notes
Clinical Utility
Serological determination of past, recent or current infection. Assessment of immune status to VZV in pregnant women and neonates. Aid in the diagnosis of disease caused by varicella-zoster virus Used to screen patients for exposure to chicken pox (varicella) or shingles (zoster).
CPT Codes
86787
