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Test Name:
RNA Polymerase III IgG Antibody

• SBMF No:
  44780
• Performance Lab Name:
  ARUP Laboratories
• Test Mnemonic:
  RNA POL 3
• ABN:
  Not required
• CPT Code:
  83516
• LOINC Code:
  19146-0
• Ref Lab Test No:
  2001601
• Spec Type:
  Serum
• Spec Container:
  Gold top (SST) or red top (serum) tube
• Pref Vol:
  1.0 mL
• Min Vol:
  0.2 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 Remarks:
  Separate serum from cells ASAP
• Methodology:
  Enzyme-Linked Immunosorbent Assay (ELISA)
• Clinical Significance:
  Refer to:
  
• Reference Range:
  

  Negative Weak Positive Moderate Positive    Strong Positive

  0-19 Units 20-39 Units 40-80 Units 81 Units or above

  Interpretive Data:
  Positive results suggest the possibility of systemic sclerois (SSc)

• Day Run:
  Mon
• Time Reported:
  2-9 days
• Test Type:
  IMMUNOLOGY