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Test Name:
Interleukin 6, by MAFD


  • SBMF No:
    44062
  • Performance Lab Name:
    ARUP Laboratories
  • Test Mnemonic:
    INTERLEUK6
  • ABN:
    Required – Not FDA-Approved
  • CPT Code:
    83520
  • LOINC Code:
    26881-3
  • Ref Lab Test No:
    0051537
  • Also Known As:
    IL-6
    IL6
    Interleukin-6
  • Also See:
    43208 Interleukin 6, by Highly Sensitive ELISA
  • Spec Type:
    Serum
  • Spec Container:
    Gold top (SST) or red top (serum) tube
  • Alt Spec Type:
    Plasma
  • Alt Spec Container:
    Green top (lithium heparin) tube
  • Pref Vol:
    1.0 mL
  • Min Vol:
    0.3 mL
  • Fasting:
    No
  • Spec Collect:
    Routine venipuncture
  • Spec Process:
    Serum sample tubes, clot 30 minutes
    Promptly centrifuge 15 minutes
    Immediately transfer serum or plasma to separate plastic tube and freeze
  • Spec Store Transport:
    Frozen
  • Spec Stability:
    After separation from cells:
    30 minutes room temperature (20-30°C)
    Refrigerated: Unacceptable
    1 year frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles
  • Spec Reject:
    Heat-inactivated, refrigerated, or contaminated sample
  • Spec Remarks:
    CRITICAL FROZEN. Separate samples must be submitted when multiple tests are ordered
    Separate serum or plasma from cells ASAP
  • Methodology:
    Multi-Analyte Fluorescence Detection (MAFD)
  • Clinical Significance:
    Refer to:
    ARUP Consult | The Physician's Guide to Laboratory Test Selection and Interpretation
  • Reference Range:
    Interleukin 6 by MAFD
    0-5 pg/mL
    Interpretive Data:
    Results are to be used for research purposes or in attempts to understand the pathophysiology of immune, infectious, or inflammatory disorders.
  • Additional Test Info:
    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.
  • Day Run:
    Mon, Wed, Fri
  • Time Reported:
    2-5 days
  • Test Type:
    IMMUNOLOGY