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HelpTest Code LCJC JC Virus, Molecular Detection, PCR, Spinal Fluid
Reporting Name
JC Virus PCR, CSFUseful For
Aids in diagnosing progressive multifocal leukoencephalopathy due to JC virus (JCV)
This test is not to be used as a diagnostic tool for Creutzfeldt-Jakob disease (CJD).
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
CSFSpecimen Required
Supplies: Aliquot Tube, 5 mL (T465)
Preferred: 12 x 75-mm screw cap vial (T465)
Acceptable: Sterile screw cap vial
Container/Tube: Sterile vial
Specimen Volume: 0.5 mL
Collection Instructions: Do not centrifuge.
Specimen Minimum Volume
0.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| CSF | Refrigerated (preferred) | 7 days | |
| Frozen | 7 days |
Reference Values
Negative
Day(s) and Time(s) Performed
Monday through Friday
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.CPT Code Information
87798
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| LCJC | JC Virus PCR, CSF | 33295-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 88909 | JC Virus PCR, CSF | 33295-7 |
Reject Due To
| All specimens will be evaluated at Mayo Clinic Laboratories for test suitability. |
Method Name
Real-Time Polymerase Chain Reaction (PCR)/DNA Probe Hybridization
Forms
If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.
Testing Algorithm
See Meningitis/Encephalitis Panel Algorithm in Special Instructions.