Test Directory

Clear All
Test Code
JCPCR
Test Name
JC Virus by PCR
CPT Codes
87798
Expected Turnaround Time
4-6 days
Clinical Utility

Aid in the diagnosis of infections caused by JC virus.
Specimen and Container Info

Specimen Type: CSF

Collection Container: Sterile, Non-Additive Container (CSF) 

Desired Specimen Volume: 0.5 mL
Collection Instructions
  1. Collect CSF via lumbar puncture.
Processing and Submission Instructions
  1. Transfer 0.5 mL of CSF to a sterile aliquot tube (screw cap).
Transport Instructions

Transport to the laboratory frozen. 
Stability Requirements

Room Temperature

7 days

Refrigerated

7 days

Frozen

90 days
Causes for Rejection
  • Gross specimen contamination
  • Leaking or broken tube
Methodology
Real Time Polymerase Chain Reaction (PCR)
Reference Intervals

See patient report.
Alternate Names
  • John Cunningham Virus
  • Polyomavirus
  • JC Virus DNA, PCR (CSF)
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Varies
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
© 2026 HNL Lab Medicine. All rights reserved.