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Individual test · Labcorp 005199

Prothrombin Time (PT)

This test measures how long it takes for your blood to form a clot. It is frequently used to monitor how well blood-thinning medications like warfarin are working or to investigate the cause of unexplained bleeding and bruising. The results help doctors evaluate bleeding disorders or liver health issues that affect clotting. However, this test alone cannot identify exactly which clotting factor is missing or diagnose a specific disease without further testing.

How ordering works

  1. 1

    Review the order and pay on Picardo. Your account is set up as you check out.

  2. 2

    A licensed physician reviews the order and decides whether to authorize it.

  3. 3

    Give blood at a Labcorp location, or book an at-home draw for $75.00.

  4. 4

    Your results arrive in your Picardo account.

For adults 18+ in the US. Lab orders aren’t available in New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii or Maine.