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Test Catalog

Test ID: FVZGC    
Varicella-Zoster Virus Antibody, IgG, CSF

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

134.9 IV or less: Negative - No significant level of IgG antibody to varicella-zoster virus detected.

135.0 - 164.9 IV: Equivocal - Repeat testing in 10 - 14 days may be helpful.

165.0 IV or greater: Positive - IgG antibody to varicella-zoster virus detected, which may indicate a current or past varicella-zoster infection.

Interpretation Provides information to assist in interpretation of the test results

The detection of antibodies to varicella-zoster in CSF may indicate central nervous system infection. However, consideration must be given to possible contamination by blood or transfer of serum antibodies across the blood-brain barrier.