Antithrombin III is a protein that helps regulate blood clotting by inhibiting clotting factors. Proper function of Antithrombin III is essential for preventing abnormal blood clot formation.

A blood sample is drawn from a vein in your arm and analyzed to measure Antithrombin III levels and activity.

No fasting or special preparation is required. You can eat and drink normally before the test.

Results are generally available within a few hours to 1-2 days, depending on the laboratory’s processing time.

Discuss any abnormal results with your healthcare provider, who will provide guidance on further tests or treatment options based on your specific condition.

Preparation involves a pre-surgical evaluation, imaging studies, and discussing the procedure, recovery, and rehabilitation with your medical team.

ACL reconstruction surgery involves replacing a torn anterior cruciate ligament in the knee with a graft to restore stability.