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Pathology and Laboratory Medicine
Test Catalogue

​Vitreous Fluid


​ ​Ordering Recommendation

  • ​ ​The Cytology laboratory must be notified a minimum of 24 hours prior to performing the procedure
  • Call 655-8207

Specimen Requirements​ ​

  • ​Collect both vitreous washings and vitrectomy, each in a separate labelled container
  • Two sterile, leak-proof specimen containers
​Collection Procedure
  • ​Label containers with patient’s last name, first name and personal health number (PHN), date of collection and source (vitreous washings or vitrectomy)
  • Do not add fixative
  • After collection, securely tighten container and place in biohazard bag. Mark “STAT” on requisition. Place completed requisition, with label facing out, in outside pouch.
  • Call STAT courier at 291-7507 for immediate delivery to Cytology laboratory room 5526
  • Once testing is complete in Cytology, specimen will be forwarded to RUH Molecular lab for further testing
  • Call Cytology laboratory at 306-655-8207 to inform staff to expect a vitreous fluid specimen
​Required Volume
  • Optimal Volume: Greater than 0.5 mL
  • ​Deliver immediately
  • Specimen must be received in a fresh state (i.e. without fixative) prior to 1:00 p.m. on weekdays only
Grounds for Rejection​

Testing Information​ ​

  • ​Monday to Friday (excluding statutory holidays), 7:30 a.m. to 1:00 p.m.
Testing Site​
  • ​SCH
  • ​Microscopic evaluation of cytospin preparation
​Specimen Retention
  • ​Until case is signed out by pathologist
  • Slides are retained for 20 years

Testing Ordering Requirements​ ​

Forms Required

​If you choose to print this information, it is valid only on date of print.

Laboratory Controlled Document LSM-155 v2

Last Modified: Monday, July 18, 2016 |
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