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JC Polyoma Virus DNA, Quantitative Real-Time PCR, Serum or Plasma (NY) [19503X]
Test CodeS52454N
CPT Codes
87799
Preferred Specimen
0.7 mL serum, or
0.7 mL plasma collected in an EDTA (lavender-top) tube or ACD (yellow-top) or PPT (white-top) tube
0.7 mL plasma collected in an EDTA (lavender-top) tube or ACD (yellow-top) or PPT (white-top) tube
Minimum Volume
0.3 mL
Transport Temperature
Frozen
Specimen Stability
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
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 the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Sun-Sat
Report Available
2 to 3 days
Clinical Significance
JC Virus is the cause of Progressive Multifocal Leukoencephalopathy (PML), a severe demyelinating disease of the central nervous system. PML is a particular concern for individuals infected with the human immunodeficiency virus. Quantification of JC virus DNA is based upon the real-time PCR amplification and detection of JCV genomic DNA. The quantitative range of this assay is 500-35,000,000 JCV DNA copies/mL.