Individual test · Labcorp 005207

Partial Thromboplastin Time (PTT), Activated

This test measures how long it takes for your blood to form a clot by evaluating specific proteins known as clotting factors. It helps show whether your blood clots properly, which is important for investigating unexplained bleeding, bruising, or monitoring blood-thinning treatments like heparin. This assessment helps doctors identify potential bleeding disorders or deficiencies in the clotting process. However, this test cannot determine the exact cause of a clotting problem or diagnose a specific disease without additional follow-up testing.