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26051 JC Polyoma Virus DNA, Quantitative Real-Time PCR, Plasma (FJCQP)

JC Polyoma Virus DNA, Quantitative Real-Time PCR, Plasma (FJCQP)
Test Code: MISC
Synonyms/Keywords
​JC Virus
Useful For

​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.

Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No ​Plasma ​EDTA Lavender Top Tube (LTT) ​ACD-A Yellow Top Tube ​0.7 mL​0.3 mL ​
Collection Processing Instructions
Draw blood in a Lavender-top (EDTA) tube or yellow-top (ACD-A) tube(s).  Spin down and transfer 0.7 mL EDTA or ACD-A plasma to a screw-cap plastic vial.  Submit frozen.
Specimen Stability Information
Specimen Type Temperature Time
Plasma EDTA​ ​Frozen (preferred) ​30 days
​Refrigerate ​7 days
​Ambient ​48 hours
Rejection Criteria
Specimens other than serum or plasma 
​Anticoagulants other than ACD or EDTA
Performing Laboratory Information
Performing Location Day(s) Test Performed Report Available Methodology/Instrumentation
​Mayo Clinic Laboratories who forwards to Quest Diagnostics Infectious Disease ​Monday through Sunday​5-7 days ​Real-time Polymerase Chain Reaction (RT-PCR)
Reference Lab
Mayo Clinic Laboratories
Reference Range Information
Performing Location Reference Range
​Mayo Clinic Laboratories who forwards to Quest Diagnostics Infectious Disease Not Detected
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​87799 ​ ​1 ​ ​
Synonyms/Keywords
​JC Virus
Ordering Applications
Ordering Application Description
​Centricity ​JC Polyoma DNA, Qnt, RT-PCR (FJCV)
​Cerner ​JC Polyoma DNA, Qnt, RT-PCR (FJCV)
​Clinical Order Manager ​JC Polyoma DNA, Qnt, RT-PCR (FJCV)
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No ​Plasma ​EDTA Lavender Top Tube (LTT) ​ACD-A Yellow Top Tube ​0.7 mL​0.3 mL ​
Collection Processing
Draw blood in a Lavender-top (EDTA) tube or yellow-top (ACD-A) tube(s).  Spin down and transfer 0.7 mL EDTA or ACD-A plasma to a screw-cap plastic vial.  Submit frozen.
Specimen Stability Information
Specimen Type Temperature Time
Plasma EDTA​ ​Frozen (preferred) ​30 days
​Refrigerate ​7 days
​Ambient ​48 hours
Rejection Criteria
Specimens other than serum or plasma 
​Anticoagulants other than ACD or EDTA
Useful For

​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.

Reference Range Information
Performing Location Reference Range
​Mayo Clinic Laboratories who forwards to Quest Diagnostics Infectious Disease Not Detected
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Report Available Methodology/Instrumentation
​Mayo Clinic Laboratories who forwards to Quest Diagnostics Infectious Disease ​Monday through Sunday​5-7 days ​Real-time Polymerase Chain Reaction (RT-PCR)
Reference Lab
Mayo Clinic Laboratories
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​87799 ​ ​1 ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.