Antithrombin III blood test

What is the Antithrombin III Blood Test?

The Antithrombin III blood test measures the levels of Antithrombin III, a protein in the blood that helps to prevent clotting. The test is used to screen for conditions such as deep vein thrombosis, pulmonary embolism, and stroke that are caused by clots in the blood vessels.

What is the Preparation for Antithrombin III Blood Test?

Your doctor may request that you stop taking aspirin or other blood thinners prior to the test.

What is the Procedure of an Antithrombin III Blood Test?

A sample of your blood will be taken from a vein in your arm or hand for the blood test. The sample will be sent to the laboratory for analysis.

What are the Types of Antithrombin III Blood Tests?

  • Quantitative Antithrombin III Test - This test measures the amount of Antithrombin III in the blood.
  • Functional Antithrombin III Test - This test measures the protein’s ability to clot the blood.

What are the Risks of an Antithrombin III Blood Test?

The risks associated with this test are minimal. There may be a slight discomfort at the site of injection and a risk of bruising or infection.

Why is an Antithrombin III Blood Test Done?

The test is typically ordered as part of a routine panel of tests to measure your clotting factors. It may also be used to diagnose and monitor conditions such as deep vein thrombosis, pulmonary embolism, and stroke.

When is an Antithrombin III Blood Test Ordered?

This test is typically ordered when a patient is at an increased risk for clotting. This may include individuals who have recently had surgery, been bedridden for an extended period of time, or have certain medical conditions.