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B cell subsets

Alternate test name
  • CVID
  • Immunodeficiency Screening Panel
Lab area
Method and equipment
  • BD FACSCanto
Expected turn-around time
Three Working Days
Specimen type
  • Peripheral Blood
Specimen requirements
  • 2 mL, EDTA
Storage and transportation
  • Room Temperature
Special requirements
  • CBC and DIFF should be done at the time of specimen collection and the results be sent with the sample.


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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