Reference Interval:
| Test Number
| Components
| Reference Interval
| | 0050167 | Varicella-Zoster Virus Antibody, IgG
| 0.89 IV or less: Negative - No significant level of detectable varicella-zoster IgG antibody.
0.90-1.09 IV: Equivocal - Repeat testing in 10-14 days may be helpful.
1.10 IV or greater: Positive - IgG antibody to varicella-zoster detected, which may indicate a current or past varicella-zoster infection. Positive IgG antibody levels in the absence of current clinical symptoms may indicate immunity (98% correlation with IFA).
| | 0099314 | Varicella-Zoster Virus Antibody, IgM
| 0.90 ISR or less: Negative - No significant level of detectable varicella-zoster virus IgM antibody.
0.91-1.09 ISR: Equivocal - Repeat testing in 10-14 days may be helpful.
1.10 ISR or greater: Positive - Significant level of detectable varicella-zoster virus IgM antibody. Indicative of current or recent infection. However, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection or immunization.
|
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| CPT Code(s): |
86787 VZ IgG; 86787 VZ IgM
|
Cross References: |
VZV Antibodies, IgG & IgM |
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