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Test Name:
Yersinia Species IgG Antibody, by Immunoblot

• SBMF No:
  45521
• Performance Lab Name:
  ARUP Laboratories
• Test Mnemonic:
  YER IGG
• ABN:
  Required – Not FDA-Approved
• CPT Code:
  86793
• LOINC Code:
  41401-1
• Ref Lab Test No:
  0051229
• Also See:
  45524 Yersinia Species IgA, IgG, and IgM Antibodies, by Immunoblot
• Spec Type:
  Serum
• Spec Container:
  Gold top (SST) or red top (serum) tube
• Pref Vol:
  1.0 mL
• Min Vol:
  0.1 mL
• Fasting:
  No
• Spec Collect:
  Routine venipuncture
  Parallel testing is preferred
  Label samples as: "acute" or "convalescent"
  Convalescent samples must be received within 30 days from receipt of acute samples
• 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:
  Heat-inactivated, contaminated, hemolyzed, icteric, lipemic, or turbid sample
• Spec Remarks:
  Separate serum from cells ASAP
• Methodology:
  Qualitative Immunoblot
• Clinical Significance:
  Refer to:
  
• Reference Range:
  

  Negative – No significant Yersinia IgG antibodies detected
  Equivocal – Questionable presence of Yersinia IgG antibodies detected. May be an indication of recent infection. Repeat testing in 10-14 days may be helpful.
  Positive – IgG antibodies to Yersinia detected

  Interpretive Data:
  Cross-reactivity has been shown to exist between Yersinia, Borrelia Burgdorferi (Lyme disease) and other bacterial species, and thyroid-stimulating immunoglobulin (Graves disease). Therefore, results should be interpreted with caution and correlated with clinical information.

• 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:
  Tue
• Time Reported:
  2-9 days
• Test Type:
  INFECTIOUS ANTIBODY