Antithrombin iii

This is an important test to help diagnose unexplained blood clotting or atypical response to blood thinner heparin.

Venous blood
1 tests included
5 days turnaround



About Antithrombin iii

What is antithrombin III?

Antithrombin III is a protein produced by the liver involved with regulating blood clotting through preventing coagulation. It is sometimes administered to reduce clotting during operations. Antithrombin III deficiency can be either hereditary or acquired and usually presents as blood clots in the veins (thrombosis). Antithrombin III is the target for blood thinning medication heparin, atypical response to heparin can indicate a deficiency. 

Problems associated with abnormal antithrombin III include thrombosis, phlebitis and pulmonary embolism. 

Why take the test?

This test measures antithrombin III functionality and quantity in the blood. It is used to diagnose unexplained blood clotting or atypical response to blood thinner heparin. 

What's tested

Clotting Status

How it works



Order your kit

Just order a test online and get your kit delivered right to you door. Your kit contains everything you need for the test.



Take your test and post

Follow our simple instructions to take your sample and post back the enclosed prepaid envelope to our accredited lab for processing. We also offer home or workplace visits by a qualified nurse.



Get results directly to your dashboard

You will receive an email notification from our medical team when your results are available on your secure personalised health dashboard.