Test Code ZW83 Varicella-Zoster Virus DNA, Qualitative, Real-Time PCR
Methodology
Real-Time Polymerase Chain Reaction
The analytical performance characteristics of this assay have been
determined by Quest Diagnostics. The modifications have not been
cleared or approved by the FDA. This assay has been validated
pursuant to the CLIA regulations and is used for clinical
purposes.
Specimen Requirements
Preferred Specimen(s)
1 mL whole blood collected in an EDTA (lavender-top) tube or ACD
(yellow-top) tube or
1 mL CSF or bronchial wash/brush in sterile plastic leak-proof
container or
Lesion swab in V-C-M (green-cap) tube or equivalent UTM or M4
or
0.5 mL eye fluid (vitreous) in sterile plastic leak-proof
container
Minimum Volume: 0.2 mL eye fluid • 0.3 mL all other specimens
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Specimen Stability:
Whole blood:
- Room temperature: 48 hours
- Refrigerated: 8 days
- Frozen: Unacceptable
All other specimen types:
- Room temperature: 48 hours
- Refrigerated: 8 days
- Frozen: 30 days
Performing Laboratory
Quest Diagnostics Infecticious Disease
Sent out to Mayo Medical Lab who then sends it to Quest Diagnostics
CPT Information
87798
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering
Reference Range
Not detected