Positive: Varicella-Zoster virus IgG detected, consistent with prior exposure/past infection. Patients positive for Varicella-Zoster virus IgG antibody are presumed immune to primary infection.
Negative: No Varicella-Zoster virus IgG antibody detected. Patient presumed susceptible to primary infection. If early primary infection is suspected, repeat testing in 14 days may be helpful.
Equivocal: Equivocal result. Repeat testing in 14 days may be helpful.