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Soluble IL-2 Receptor Level (CD25)

Alternate test name


Lab area
Clinical Biochemistry - Immunology
Method and equipment
Method:  Enzyme Linked Immunosorbent Assay (ELISA)
Expected turn-around time
7 days (with testing completed twice weekly)
Specimen type

EDTA Plasma

Specimen requirements

2 aliquots (each containing 0.3 mL of EDTA plasma)

Storage and transportation
  • Store samples at -20°C.
  • Ship frozen.
  • Avoid freeze/thaw cycles.
  • Do not store samples in glass.
  • Stored in polypropylene tubes.
Special requirements

Avoid samples with gross hemolysis or lipemia.

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
Background and clinical significance


Disease condition


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