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Interleukin-4 (IL-4) Serum
Test Code10213
CPT Codes
83520
Preferred Specimen
1 mL serum
Instructions
Ship frozen overnight on dry ice
Transport Container
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
Room temperature: 24 hrs
Refrigerated: 24 hours
Frozen -70°C: 1 year
Refrigerated: 24 hours
Frozen -70°C: 1 year
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature • Received refrigerated
Methodology
Multiplex Array Format with Meso Scale Discovery (MSD®)
FDA Status
This test was developed and its performance characteristics determined by Eurofins Viracor Clinical Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration.
Setup Schedule
Set up: Mon, Wed, Fri; Report available: 5 days
Reference Range
<0.5 pg/mL
Clinical Significance
Cytokines have emerged as molecules of importance in the regulation of many immunologic processes in the cell. The ability to accurately measure QN and QL differences in cytokine production is becoming increasingly important to the understanding of normal and pathological processes.