JC Virus DNA, PCR, Cerebrospinal Fluid

CPT: 87798
Updated on 6/9/2018
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Test Details


  • John Cunningham Virus
  • Polyomavirus


Aid in the diagnosis of infections caused by JC virus


Real-time polymerase chain reaction (PCR)

Specimen Requirements


Cerebrospinal fluid (CSF)


0.5 mL

Minimum Volume

0.2 mL


Sterile container for CSF

Storage Instructions

Room temperature or refrigerated for up to 7 days. Frozen up to 90 days.

Room temperature or refrigerated for up to 7 days. Frozen up to 90 days.

Stability Requirements



Room temperature

7 days


7 days


90 days

Causes for Rejection

Quantity not sufficient for analysis; gross specimen contamination; specimen too old; leaking or broken tube


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
139340 JC Virus DNA, PCR (CSF) 33295-7 139329 JC Virus DNA, PCR (CSF) 33295-7

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