Blood Coagulation

Blood Coagulation Lab Tests and health information

The blood coagulation tests measure your coagulation profile, including INR, APTT, platelets, and fibrinogen. It is a screening test for abnormal blood clotting that examines the factors most often associated with a bleeding problem. Order from Ulta Lab Tests today with confidential results available online in 24 to 48 hours.

Did you know that as many as 900,000 people suffer blood clots each year? Learn why blood coagulation tests are so important for overall health.   

Below the list of tests is a guide that explains and answers your questions on what you need to know about blood coagulation tests, along with information on blood coagulation disorders, signs, symptoms, and diagnosis.


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In the United States, 100,000 people die due to blood clots annually. In addition to that, 900,000 people end up dealing with venous thromboembolism every year. These numbers are so high because these blood clots are not caught in time to get taken care of before it becomes a serious problem.

Continue reading to learn more about clotting disorders and blood coagulation tests. 

What Are Clotting Disorders?

The body has a natural blood clotting process known as hemostasis. The body forces the injured blood vessel to constrict, and then platelets are sent to the injury site. They attach to the wound, and coagulation occurs. 

In clotting disorders, excessive clotting takes place. This is also known as a hypercoagulable state. This allows large blood clots to form where they shouldn't: in the bloodstream. These blood clots make their way to the legs (venous thromboembolism), the lungs (pulmonary embolism), ... See more