Interleukin 1 beta, Plasma

3002629
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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.

Mnemonic

IL1B PLA

Methodology

Quantitative Multiplex Bead Assay

Performed

Sun-Sat

Reported

1-4 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Green (lithium heparin).

Specimen Preparation

Separate plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL plasma 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

Reference Interval

7.4 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

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Components

Component Test Code* Component Chart Name LOINC
3002609 Interleukin 1 beta, Plasma 13629-1
* 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 1-Beta
  • IL-1
  • IL1
  • IL1B
  • Interleukin 1-Beta
  • Interleukin 1b
Interleukin 1 beta, Plasma