0051532
print

Interleukin 4, Serum

IL4 DO
Example Reports
Abnormal
Normal

Ordering Recommendation

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

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Serum separator tube, or plain red.

Specimen Preparation

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)

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. Ship in an ARUP Standard Transport Tube.

Unacceptable Conditions

Refrigerated specimens. Contaminated or heat-inactivated specimens.

Remarks
Stability

After separation from cells: Ambient: 30 minutes; Refrigerated: Unacceptable; Frozen: 1 year

Methodology

Quantitative Multiplex Bead Assay

Performed

Sun-Sat

Reported

1-4 days

Reference Interval

Effective May 18, 2020
2.2 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 Category

Laboratory Developed Test (LDT)

Note

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 Codes

83520

Are you an ARUP Client? Click here for your pricing.

Components

Component Test Code* Component Chart Name LOINC
0051532 Interleukin 4, Serum 27161-9
* 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-4
  • IL4
  • Interleukin-4
  • Serum
Interleukin 4, Serum