Varicella Zoster IgG Ab, CSF
Test Mnemonic
CVZVG
CPT Codes
- 86787 - QTY (1)
Aliases
- VZV Antibody, IgG, CSF
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Cerebrospinal fluid (CSF) | Clean container | Refrigerated | Transfer 0.5 mL CSF to standard aliquot tube |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.3 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 8 hours |
| Refrigerated | 2 weeks |
| Frozen | 1 year |
Days Performed
Sun - Sat
Turnaround Time
2 - 3 days
Methodology
| Name | Description |
|---|---|
| Semi-Quantitative Chemiluminescent Immunoassay |
Reference Range
| Varicella Zoster IgG Ab, CSF | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| 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 |
Special Info
Unacceptable conditions: Specimens other than CSF. Contaminated, heat-inactivated, hemolyzed or xanthochromic specimens
Clinical Info
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. NEGATIVE: < or = 134 IV - No significant level of IgG antibody to varicella zoster virus detected; EQUIVOCAL: 135 - 165 IV - Repeat testing in 10 - 14 days may be helpful; POSITIVE: > or = 166 IV - IgG antibody to varicella zoster virus detected, which may indicate a current or past infection.