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Activated Partial Thromboplastin Time (aPTT)

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Activated Partial Thromboplastin Time (aPTT)

Accredited Facility E-report Qualified Specialists

This test is done to evaluate how well your blood clots by measuring the function of specific clotting factors in the intrinsic and common coagulation pathways. It helps detect bleeding disorders, monitor anticoagulant therapy (such as heparin), and investigate unexplained bleeding or clotting tendencies.

  • If you have unexplained or excessive bleeding.
  • If there is a suspected clotting or bleeding disorder.
  • To monitor heparin anticoagulant therapy.
  • Before surgery or medical procedures if clotting status needs evaluation.
  • No fasting is required.
  • Inform your healthcare provider about any blood-thinning medications.
  • Avoid sample contamination from heparin lines if hospitalized.
  • Follow any instructions provided by the laboratory or healthcare provider.
    • Activated Partial Thromboplastin Time (aPTT)
    No labs currently offering this test.