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Test Name:
Beta-2 Glycoprotein 1 IgA Antibody


  • SBMF No:
    44408
  • Performance Lab Name:
    ARUP Laboratories
  • Test Mnemonic:
    B2GPI A
  • ABN:
    Not required
  • CPT Code:
    86146
  • LOINC Code:
    21108-6
  • Ref Lab Test No:
    0050324
  • Also Known As:
    B2GPI IgA Ab
  • Also See:
    28246 Beta-2 Glycoprotein 1 IgG & IgM Antibodies
    28248 Beta-2 Glycoprotein 1 IgG Antibody
    28251 Beta-2 Glycoprotein 1 IgM Antibody
  • Spec Type:
    Serum
  • Spec Container:
    Gold top (SST) or red top (serum) tube
  • Pref Vol:
    0.5 mL
  • Min Vol:
    0.3 mL
  • Fasting:
    No
  • Spec Collect:
    Routine venipuncture
  • Spec Process:
    Clot 30 minutes
    Promptly centrifuge 15 minutes
    Immediately transfer serum to separate plastic tube
  • Spec Store Transport:
    Refrigerated
  • Spec Stability:
    After separation from cells:
    48 hours room temperature (20-30°C)
    2 weeks refrigerated (2-8°C)
    1 year frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles
  • Spec Reject:
    Plasma and other body fluids
    Contaminated, hemolyzed, grossly icteric, or severely lipemic sample
  • Spec Remarks:
    Separate serum from cells ASAP
  • Methodology:
    Semi-Quantitative Enzyme-Linked Immunosorbent Assay (ELISA)
  • Clinical Significance:
    Refer to:
    ARUP Consult | The Physician's Guide to Laboratory Test Selection and Interpretation
  • Reference Range:
    0-20 SAU
  • Day Run:
    Sun-Sat (daily)
  • Time Reported:
    2-3 days
  • Test Type:
    IMMUNOLOGY