Title: Coagulation Factor Tests: MedlinePlus Medical Test
Headings: Coagulation Factor Tests
Coagulation Factor Tests
What are coagulation factor tests?
What is it used for?
Why do I need a coagulation factor test?
What happens during a coagulation factor test?
Will I need to do anything to prepare for the test?
Are there any risks to the test?
What do the results mean?

Content: That means it is passed down from one or both of your parents. You may also need this test if your health care provider thinks you have a bleeding disorder that is not inherited. Although uncommon, other causes of bleeding disorders include: Liver disease
Vitamin K deficiency
Blood-thinning medicines
In addition, you may need a coagulation factor test if you have symptoms of a bleeding disorder. These include: Heavy bleeding after an injury
Easy bruising
Swelling
Pain and stiffness
An unexplained blood clot. In some bleeding disorders, the blood clots too much, rather than too little. This can be dangerous, because when a blood clot travels in your body, it can cause a heart attack, stroke, or other life-threatening conditions. What happens during a coagulation factor test? A health care professional will take a blood sample from a vein in your arm, using a small needle.