Sterile vial/container
Sterile vial/container
Refrigerated (preferred) - 2 weeks
Frozen - 1 year
Ambient - 8 hours
Semi-quantitative Chemiluminescent Immunoassay (CLIA)
Negative (≤ 134.9 IV)
Equivocal (135.0-164.9 IV)
Positive (≥165.1 IV)
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.