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Varicella-Zoster Virus DNA, Quantitative Real-Time PCR
Test Code19493
CPT Codes
87799<br><strong>This test is not available for New York patient testing at Quest Diagnostics Nichols Institute-San Juan Capistrano, CA.</strong><br><strong>Orders for New York patients will be redirected to Quest Diagnostics Nichols Institute-Chantilly, VA for testing.</strong>
Preferred Specimen
1 mL whole blood collected in an EDTA (lavender-top) or ACD (yellow-top) tube or
1 mL CSF, collected in a sterile, plastic, leak-proof container or
1 mL bronchial wash/brush collected in a sterile, plastic, leak-proof container
1 mL CSF, collected in a sterile, plastic, leak-proof container or
1 mL bronchial wash/brush collected in a sterile, plastic, leak-proof container
Minimum Volume
0.3 mL
Transport Container
EDTA (lavender-top) tube or ACD (yellow-top) tube or
Sterile plastic leak-proof container
Sterile plastic leak-proof container
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Whole blood
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: Unacceptable
All other samples
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 30 days
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: Unacceptable
All other samples
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Heparin whole blood
Methodology
Real-Time Polymerase Chain Reaction
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
This test is not available for New York patient testing at Quest Diagnostics Nichols Institute-San Juan Capistrano, CA.
Orders for New York patients will be redirected to Quest Diagnostics Nichols Institute-Chantilly, VA for testing.
Setup Schedule
Daily
Report Available
2-4 days
Reference Range
Not Detected
Clinical Significance
Varicella-Zoster virus (VZV) is a member of the Herpesviridae family that causes chickenpox as a primary infection and can reactivate later in life as herpes zoster or shingles. VZV infection in immunocompromised individuals often leads to a progressive disease state involving multiple organs. The detection of Varicella-Zoster Virus (VZV) DNA is based upon the real-time amplification and detection of specific VZV genomic DNA sequences by PCR from total DNA extracted from the specimen.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |