Ordering Recommendation

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

Mnemonic
IL6 CSF
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

CSF.

Specimen Preparation

Transfer 1 mL CSF 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

Ambient: 30 minutes; Refrigerated: Unacceptable; Frozen: 1 month.

Reference Interval

7.5 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.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical 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

Components
Component Test Code* Component Chart Name LOINC
3003324 Interleukin 6, CSF 49919-4
* 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-6
  • IL6
  • Interleukin-6, Serum
Interleukin 6, CSF