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Post-Transplant, BK Virus DNA, Real-Time PCR, Plasma
Test Code18050
CPT Codes
87799
Preferred Specimen
1 mL plasma collected in an EDTA (lavender-top) tube
Minimum Volume
0.5 mL
Instructions
For Shipper collection please see detailed instructions in Test Resources
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Samples collected in sodium or lithium heparin
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.
Setup Schedule
Set up: Daily; Report available: 1 day
Reference Range
| BK Virus DNA, QN PCR | Not Detected (copies/mL) |
| BK Virus DNA, QN PCR | Not Detected (Log copies/mL) |
Clinical Significance
This test is used to determine the presence of BK Virus DNA in patient's specimens. Detection of the virus in these specimens may be indicative of an active infection, as PCR detects the presence of the virus, and not the host's reaction to the virus. Polyomavirus BK DNA detection in urine or plasma is associated with an increased risk of graft rejection in renal recipients. Quantitative testing may indicate change in risk over time. Reportable range is 500 to 500,000,000 copies/mL (2.70 to 8.70 Log copies/mL).
