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T Cell Subsets, CD3/CD4/CD8

Alternate test name
  • HIV
  • CD4, CD8, TCS.
  • T Cell Subsets
Lab area
Method and equipment
  • BD FACSCanto
Expected turn-around time
Three Working Days
Specimen type
  • Peripheral Blood
Specimen requirements
  • 2 mL EDTA
  • Minumum volume, 0.5 mL Paediatric tube (EDTA)
Storage and transportation
  • Room temperature
Special requirements
  • Deliver specimen to Rapid Response Laboratory (Room 3642 Atrium), Monday to Friday.
  • A complete Blood Count (CBC) and differential are required at the time of draw.
  • Flow Cytometry Laboratory only accepts samples Monday to Thursday from 8am to 4pm, Fridays 8am to 12pm excluding Holidays and Weekends.
  • Specimen stability in Flow testing is only acceptable within 24 hours of collection.

Shipping information
The Hospital for Sick Children
Rapid Response Laboratory
555 University Avenue, Room 3642
Toronto, ON
M5G 1X8
Phone: 416-813-7200
Toll Free: 1-855-381-3212
Hours: 7 days/week, 24 hours/day
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