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Interleukin 13
0051535
Ordering Recommendation

Primarily for research and to support attempts to understand the pathogenesis of immune, infectious, allergic, or inflammatory disorders.

Mnemonic
IL13 DO
Methodology
Quantitative Multiplex Bead Assay
Performed
Sun-Sat
Reported
1-4 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Serum separator tube, plain red, or green (lithium heparin). 
Specimen Preparation
Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL) 
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. 
Unacceptable Conditions
Refrigerated specimens. Contaminated or heat-inactivated specimens. 
Remarks
 
Stability
After separation from cells: Ambient: 30 minutes; Refrigerated: Unacceptable; Frozen: 1 year 
Reference Interval
Effective May 19, 2014
5 pg/mL or less
Interpretive Data
Results are used to understand the pathophysiology of immune, infectious, or inflammatory disorders, or may be used for research purposes.

Compliance Statement B: For laboratory developed tests not using a RUO kit, and for FDA approved, cleared or 510(k) exempt assays with alterations. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.

Note
Lower limit of detection is 5 pg/mL. Cytokine levels may demonstrate diurnal variation. For longitudinal comparison, it is recommended that cytokine levels be determined at the same time of day.
Hotline History
N/A
CPT Code(s)
83520
Components
Component Test Code*Component Chart NameLOINC
0051535Interleukin 1333822-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • cytokine
  • cytokines
  • IL-13
  • IL13