Interleukin-4 (IL-4) Serum

Test Code

10213

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

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.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.