Virus Detection – CSF
|Test Requested||Required Requisition(s)||Specimen Type||Minimum Volume||Collection Kit|
CSF – Cerebral Spinal Fluid
1.0 ml of CSF
Submission and Collection Notes
CSF samples will be tested by an in-house PCR method, contact PHO Laboratory Customer Service Centre prior to submitting samples if you prefer testing by virus culture (see methods section)
Preparation Prior to Transport
Label the specimen container with the patient’s full name, date of collection and one other unique identifier such as the patient’s date of birth or Health Card Number. Failure to provide this information may result in rejection or testing delay.
Specimens should be stored at 2-8°C following collection and shipped to PHOL on ice packs.
Test Frequency and Turnaround Time (TAT)
Testing for Herpes Simplex Virus, Varicella Zoster Virus, and Enterovirus is performed Mondays, Wednesdays and Fridays.
Turnaround time is up to 3 days from date of receipt at PHO laboratory
Results are reported to the ordering physician or health care provider as indicated on the requisition.
CSF specimens that are positive for viruses are reported to the Medical Officer of Health as per Health Protection and Promotion Act.
As of April 24th, 2017 virus culture will no longer be performed, and CSF samples will be tested for HSV1/HSV2/VZV at PHOL-Toronto using a more sensitive in-house real-time PCR method.
Please contact PHOL if virus culture testing is preferred (instead of molecular testing) prior to submitting the specimen(s).