Reference Range

Positive: Indicates exposure to the pathogen or administration of specific immuno-globulins, but it is not indicative of active infection or stage of disease.

Negative: Indicates no detectable VZV antibody, but does not rule out acute infection during the incubation period and the early stages of infection.  If exposure to Varicella-Zoster Virus is suspected a second sample should be collected and tested no less than 1 or 2 weeks later.

Equivocal: A second sample should be collected.