Plasminogen activator inhibitor 1

This is an important test that is typically used to help diagnose unexplained bleeding and improper blood clotting.

Venous blood
1 tests included
9 days turnaround



About Plasminogen activator inhibitor 1

What is plasminogen activator inhibitor-1?

Plasminogen is the precursor of important proteolytic blood enzyme plasmin. Plasmin is responsible for degrading several blood proteins, including fibrin in fibrin-based blood clots. This process is essential for the regulation of blood clotting. Plasminogen is inactive and is converted to the active plasmin enzyme in response to chemicals such as tissue plasminogen activator (tPA) where it is necessary.

Plasminogen activator inhibitor-1 (PAI-1) inhibits the activation and conversion of plasminogen into plasmin, which is an important process for regulating the breakdown of blood clots. Deficiency in PAI-1 can lead to haemorrhaging and improper blood clotting mechanisms.  

Why take the test?

This test measures the amount of plasminogen activator inhibitor-1 (PAI-1) in the blood. It is typically used to help diagnose unexplained bleeding and improper blood clotting.


What's tested

Plasminogen Activator Inhibitor 1

How it works



Purchase your Kit

Just order a test online and get your kit delivered right to your door unless you are ordering a COVID-19 Fit to Fly test where you will be given appointment options to attend our clinics across the United Kingdom for a nose and throat swab PCR test at the checkout stage.



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. For COVID-19 Fit to Fly tests you must attend one of our partner clinics for our trained collection officers to take your sample. You will then have the results emailed to you.



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.