A platelet aggregation test checks how well your platelets clump together to form blood clots. Platelets are a type of blood cell. They help form blood clots by sticking together. A clot is what stops ...

What Is the Platelet Aggregation Test? A platelet aggregation test is a blood test that looks at how well your blood cells called platelets clump together and clot. It is sometimes called a platelet ...

A differential blood test enables a doctor to determine how many white blood cells are in the body. There are five types of white blood cell, and the test also shows how many of each type are present.

A mean platelet volume (MPV) test measures the average size of platelets in your blood. Platelets are blood cells that your bone marrow makes. Healthy platelets clump together to help your blood clot ...