Interleukin 4, Plasma
Also known as: IL4 PLA
Use
This test is primarily used for research and to support attempts to understand the pathogenesis of immune, infectious, allergic, or inflammatory disorders. Results are intended to contribute to the understanding of the pathophysiology of these disorders and may aid in research applications.
Special Instructions
Cytokine levels may demonstrate diurnal variation. For longitudinal comparison, it is recommended that cytokine levels be determined at the same time of day.
Limitations
This test has not been cleared or approved by the US Food and Drug Administration and is intended for clinical purposes only. Refrigerated specimens, contaminated or heat-inactivated specimens are unacceptable. Cytokine levels can vary based on time of day when collected, potentially affecting results.
New York Approved
Methodology
Immunoassay (Multiplex Protein Panel)
Biomarkers
LOINC Codes
- 27161-9
Result Turnaround Time
1-4 days
Related Documents
For more information, please review the documents below
Specimen
Plasma
Volume
1 mL
Minimum Volume
0.4 mL
Container
ARUP Standard Transport Tube
Collection Instructions
Separate plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL plasma to an ARUP Standard Transport Tube.
Storage Instructions
Ship in an ARUP Standard Transport Tube. Critical frozen transport is required.
Causes for Rejection
Refrigerated specimens, contaminated or heat-inactivated specimens.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 30 minutes |
| Refrigerated | Unacceptable |
| Frozen | 1 year |