JC Virus (Polyomavirus)




  • JC virus is detected by PCR. 
  • Associated with Progressive Multifocal Leukoencephalopathy (PML). 
  • Tested following specific request.
  • If possible, send both CSF and EDTA blood samples. 

Sample requirements



CSF - 30 mL sterile universal container

A minimum CSF volume of 150 µl is required for reliable testing.




4ml of blood taken into an EDTA Tube

30mL sterile universal container

4 mL EDTA tube

Required information

  • Relevant clinical details


Store at fridge temperature

Transport as soon as possible at ambient temperature

Turnaround time

Samples are sent to the National Reference Centre

Up to 14 days

Page last reviewed: 13/12/2017