Anti-Phospholipid Antibody IGG

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Anti-Phospholipid Antibody (APA) IgG Test

The Anti-Phospholipid Antibody (APA) IgG Test detects IgG antibodies against phospholipids, which are associated with Antiphospholipid Syndrome (APS) and other autoimmune conditions. This test helps assess blood clot risk and pregnancy complications.


Why is the Anti-Phospholipid IgG Test Done?

To Diagnose Antiphospholipid Syndrome (APS)

  • APS is an autoimmune disorder that causes excessive blood clotting, leading to:
    • Deep Vein Thrombosis (DVT)
    • Pulmonary Embolism (PE)
    • Stroke or Transient Ischemic Attack (TIA)
    • Recurrent Miscarriages, Preeclampsia, Stillbirths

To Investigate Unexplained Clotting or Pregnancy Loss

  • One of the key markers for APS (along with IgM & Lupus Anticoagulant)

To Assess Autoimmune Conditions, Including:

  • Systemic Lupus Erythematosus (SLE)
  • Other Connective Tissue Disorders

Test Procedure

🩸 Blood Sample Collection:

  • A blood sample is drawn from a vein
  • No fasting required
  • Results available in 3–7 days

Normal Range & Interpretation

Result IgG Antibody Level (GPL Units or U/mL) Interpretation
Negative < 20 U/mL No significant antibodies detected
Borderline 20–40 U/mL Possible early or mild disease
Positive > 40 U/mL Suggests APS or another autoimmune disorder

🔹 A single positive test does NOT confirm APS; repeat testing after 12 weeks is needed.
🔹 IgG is a stronger indicator of APS than IgA.


What Do Abnormal APA IgG Levels Mean?

🔴 High APA IgG Levels Suggest:

  • Antiphospholipid Syndrome (APS)
  • Systemic Lupus Erythematosus (SLE) or Other Autoimmune Disorders
  • Infections or Chronic Inflammatory Conditions (Rare cases)

🟢 Negative APA IgG:

  • APS is unlikely, but further testing (IgM, Lupus Anticoagulant) may still be needed

Next Steps If APA IgG Is Positive?

🔬 Additional Tests for Confirmation:

  • Anti-Phospholipid IgM & IgA – Completes the antibody profile
  • Lupus Anticoagulant (LA) Test – Helps confirm APS
  • Beta-2 Glycoprotein 1 (β2GP1) Antibodies (IgG, IgM, IgA) – Specific for APS
  • Cardiolipin Antibodies (IgG, IgM, IgA) – Another key APS marker
  • Clotting Studies (PT, aPTT, D-Dimer) – To check for clotting abnormalities

Treatment for APS If Confirmed:

  • Blood Thinners (Aspirin, Warfarin, Heparin) – To prevent clots
  • Immunosuppressants (If Associated with SLE or Other Autoimmune Diseases)
  • High-Risk Pregnancy Management (Low-dose aspirin & heparin therapy)

Key Takeaways

🔹 APA IgG is a key marker for Antiphospholipid Syndrome (APS).
🔹 A positive test should be confirmed with additional testing after 12 weeks.
🔹 APS is a serious condition requiring anticoagulation therapy if confirmed.
🔹 If positive, further tests (IgM, Lupus Anticoagulant, β2GP1) are recommended.

Original price was: ₹2,499.00.Current price is: ₹999.00.