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Test Name:
IGF Binding Protein-3


  • TMF No:
    44142
  • Performance Lab Name:
    ARUP Laboratories
  • Test Mnemonic:
    IGFBP-3
  • CPT Code:
    82397
  • Ref Lab Test No:
    0070060
  • Also Known As:
    IGFBP-3; Insulin-Like Growth Factor Binding Protein-3
  • Ordering Guidance:
    Not a first-line test in the evaluation of growth disorders. Aids in workup of suspected anterior hypopituitarism.
  • Spec Type:
    Serum or plasma
  • Spec Container:
    Gold top (SST) or Red top (serum) tube
  • Alt Spec Container:
    Green top (sodium heparin) tube
  • Pref Vol:
    0.5 mL
  • Min Vol:
    0.3 mL
  • Spec Collect:
    Normal phlebotomy procedure. Mix by inverting tube 8 times.
  • Spec Process:
    Transfer serum or plasma to a screw-capped plastic transport tube.
  • Spec Store Transport:
    Frozen.
  • Spec Stability:
    After separation from cells:
    Room temperature: 24 hours
    Refrigerated: 1 week
    Frozen: 1 year
  • Spec Reject:
    Tissue or urine. Grossly hemolyzed or lipemic specimens.
  • Methodology:
    Quantitative Chemiluminescent Immunoassay (CLIA)
  • Day Run:
    Sun-Sat
  • Time Reported:
    2-3 days
  • Test Type:
    HORMONE