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Test ID:
IL2R
Interleukin-2 Receptor Alpha Chain (IL-2Ra/CD25) Soluble, Serum
Test Overview
Clinical Utility
Refer to test summery at external website.
Method
Immunoassay (IA)
Result Included
Interleukin 2 Receptor
Aliases/Synonyms
CD-25; IL2R; Soluble IL2-Receptor; sCD25; IL2 Receptor
Specimen
Specimen Type
Avoid gel separator tubesSerum
Important Note: TEST ID IL2R
Non-interfaced clients should specify the Test ID IL2R when ordering this test. Not doing so will cause processing delays while ICL ascertains which test you are requesting - please refer to the notes below.
Alternate/Similar Laboratory Services: This test is also available in plasma at Hospital for Sick Children, Toronto: Interleukin-2 (IL-2) Receptor - Soluble (CD25), Plasma
Volume
Sample Volume
1.0 mL
Minimum Volume
0.3 mL
Specimen Comment
Avoid gel separator tubes.
Patient Preparation
Avoid all Biotin supplements for 48 hours prior to specimen collection.
Collection & Handling
Handling Information
Separate and freeze immediately. Store and send frozen.
Additional Information
Cytokine levels may demonstrate diurnal variation. Recommend cytokine levels be determined at the same time of day for improved longitudinal comparison.
Stability
| Ambient | Refrigerated | Frozen |
|---|---|---|
| Unacceptable | 24 hours | 30 days |
If the specimen thaws, it is unsuitable for analysis.
Rejection Criteria
| Criteria | Specification |
|---|---|
| Specimen | Not frozen |
Performance & Interpretation
Turnaround Time
12 days
Results
Name
Units
Reference Range
Conversion
-
Interleukin 2 Receptorpg/mL532 - 1891pg/mL x 0.113
Referral Location
Out-of-Country
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| IL2R | IL-2RALPHA (CD25),SOLUBLE | 38396 | pg/mL |
Test Version
Last Updated
2023-03-30