Interleukin 4, Serum
Primarily used for research and to support attempts to understand the pathogenesis of immune, infectious, allergic, or inflammatory disorders.
New York DOH Approval Status
Serum separator tube, or plain red.
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.4 mL)
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. Ship in an ARUP Standard Transport Tube.
Refrigerated specimens. Contaminated or heat-inactivated specimens.
After separation from cells: Ambient: 30 minutes; Refrigerated: Unacceptable; Frozen: 1 year
Quantitative Multiplex Bead Assay
Effective May 18, 2020
2.2 pg/mL or less
Results are used to understand the pathophysiology of immune, infectious, or inflammatory disorders, or may be used for research purposes.
Laboratory Developed Test (LDT)
Cytokine levels may demonstrate diurnal variation. For longitudinal comparison, it is recommended that cytokine levels be determined at the same time of day.
|Component Test Code*||Component Chart Name||LOINC|
|0051532||Interleukin 4, Serum||27161-9|