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Test Name:
Phosphatidylglycerol IgA, IgG, and IgM Antibodies

• SBMF No:
  45395
• Performance Lab Name:
  ARUP Laboratories
• Test Mnemonic:
  PHOSGLYPAN
• ABN:
  Required – Not FDA-Approved
• CPT Code:
  83520x3
• LOINC Code:
  13079-9; 13080-7; 13081-5
• Ref Lab Test No:
  0051623
• Test Includes:
  Phosphatidylglycerol IgA Antibody
  Phosphatidylglycerol IgG Antibody
  Phosphatidylglycerol IgM Antibody
• Also Known As:
  aPG Antibodies
• Spec Type:
  Serum
• Spec Container:
  Gold top (SST) or red top (serum) tube
• Pref Vol:
  1.0 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:
  Heat-inactivated, icteric, hemolyzed, lipemic, or contaminated serum sample
  Plasma or body fluid sample
• Methodology:
  Semi-Quantitative Enzyme-Linked Immunosorbent Assay (ELISA)
• Clinical Significance:
  Refer to:
  
• Reference Range:
  

  Phosphatidylglycerol IgA Antibody
  0-11 U/mL: Normal
  12-18 U/mL: Equivocal. Suggest repeat testing in 4-6 weeks or consider antibody testing for cardiolipin IgG and IgM, beta-2 glycoprotein 1 IgG and IgM and lupus anticoagulant.
  19 U/mL or greater: Positive

  Phosphatidylglycerol IgG Antibody
  0-11 U/mL: Normal
  12-18 U/mL: Equivocal. Suggest repeat testing in 4-6 weeks or consider antibody testing for cardiolipin IgG and IgM, beta-2 glycoprotein 1 IgG and IgM and lupus anticoagulant.
  19 U/mL or greater: Positive

  Phosphatidylglycerol IgM Antibody
  0-11 U/mL: Normal
  12-18 U/mL: Equivocal. Suggest repeat testing in 4-6 weeks or consider antibody testing for cardiolipin IgG and IgM, beta-2 glycoprotein 1 IgG and IgM and lupus anticoagulant.
  19 U/mL or greater: Positive

• 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:
  Mon, Thu
• Time Reported:
  2-6 days
• Test Type:
  IMMUNOLOGY