ARUP's Laboratory Test Directory

Varicella-Zoster Virus Antibody, IgG by ELISA (CSF) : 0054444

Mnemonic: VZECSF

Methodology: Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed: Sun, Tue-Sat
Reported: Within 24 hours
Specimen Required: Collect: CSF.

Specimen Preparation: Transfer 0.5 mL CSF to an ARUP Standard Transport Tube. (Min: 0.3 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Specimens other than CSF. Contaminated or heat-inactivated specimens.

Stability (collection to initiation of testing): Ambient: 8 hours; Refrigerated: 2 weeks; Frozen: 1 year
Reference Interval:
0.89 IV or less: Negative - No significant level of IgG antibody to varicella-zoster virus detected.
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 virus detected, which may indicate a current or past infection.
Interpretive Data: 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.

Refer to Statement E under Testing Information at http://www.aruplab.com.
CPT Code(s): 86787
 
 

 

 

 
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