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Test Name:
IGF Binding Protein-3


  • SBMF 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
  • Spec Type:
    Serum or plasma
  • Spec Container:
    Gold top (SST), Red top (serum), or Green top (sodium heparin) tube
  • Pref Vol:
    0.5 mL
  • Min Vol:
    0.3 mL
  • 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:
    24 hours room temperature (20-30°C)
    1 week refrigerated (2-8°C)
    1 year frozen (-20°C) (avoid repeated freeze/thaw cycles)
  • 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