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HelpTest Code IL5P Interleukin 5, Plasma
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Lavender top (EDTA)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Immediately after specimen collection, place the tube on wet ice.
2. Centrifuge at 4° C, 1500 x g for 10 minutes.
3. Aliquot plasma into plastic vial.
4. Freeze specimen within 2 hours of collection.
5. Specimens received at ambient temperature will be canceled.
Useful For
Evaluation of patients with disorders known to be associated with hypereosinophilia
Method Name
Electrochemiluminescence (ECL)
Reporting Name
Interleukin 5, PSpecimen Type
Plasma EDTASpecimen Minimum Volume
0.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma EDTA | Frozen (preferred) | 21 days | |
| Refrigerated | 24 hours |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
| Heat-treated specimen | Reject |
Reference Values
≤1.0 pg/mL
Interpretation
Elevated concentrations of interleukin-5 (IL-5) may indicate an expanded Th2 (helper T cells, subset 2)-immune response, which may be associated with hypereosinophilia.
Day(s) Performed
Wednesday
Report Available
2 to 8 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83520
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| IL5P | Interleukin 5, P | 33938-2 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 36519 | Interleukin 5, P | 33938-2 |