Question 1

What is the Anti Thrombin III test?

Accepted Answer

The Anti Thrombin III test is a specialized blood test that measures the activity or amount of antithrombin, a natural protein in your body that helps prevent blood clots from forming too easily. It acts as a natural anticoagulant. Measuring its levels helps doctors determine if you have a deficiency that could put you at a higher risk for developing dangerous blood clots in your veins or arteries.

Question 2

Why is the Anti Thrombin III test performed?

Accepted Answer

This test is primarily performed to investigate unexplained or recurrent blood clots, such as deep vein thrombosis (DVT) or pulmonary embolism (PE), especially in individuals under 50. It is also used to evaluate a family history of hereditary antithrombin deficiency, investigate the cause of recurrent miscarriages, or determine why a patient is not responding properly to heparin therapy (heparin resistance).

Question 3

Is fasting required for the Anti Thrombin III test?

Accepted Answer

No, fasting is generally not required for an isolated Anti Thrombin III test. You can eat and drink normally before the procedure. However, if your doctor has ordered other blood tests along with this one, you may need to fast for 8 to 12 hours. It is highly recommended to check with Dr. Essa Lab or your healthcare provider for specific instructions before your appointment.

Question 4

Can taking blood thinners affect my test results?

Accepted Answer

Yes, taking anticoagulant medications (blood thinners) such as heparin, warfarin, or direct oral anticoagulants (DOACs) can significantly affect the test results. Heparin can temporarily lower antithrombin levels, while warfarin can affect other coagulation factors. It is crucial to inform your doctor and the lab staff about all medications you are taking. Often, testing is scheduled when you are off these medications or after an acute clotting event has resolved.

Question 5

How long does it take to get the test results?

Accepted Answer

At Dr. Essa Lab, the turnaround time for an Anti Thrombin III test is typically between 24 to 48 hours. Once the analysis is complete and verified by our consultant pathologists, you will receive an SMS notification with a link to download your report online. You can also access your report via our website or mobile app, or collect a physical copy from any of our branches.

Anti Thrombin III at Dr. Essa Lab

Dr. Essa Laboratories & Diagnostic Center

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