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 ...

Medically reviewed by Anju Goel, MD You may need an MPV test if you show symptoms that suggest an issue with your platelet ...

A typical platelet count range can change with age. Platelet counts may fluctuate due to natural vascular aging, changes in bone marrow tissue, and altered blood plasma makeup. Platelets, or ...

Platelets are small types of blood cells that prevent excessive bleeding. It’s possible to develop low or high platelet counts related to a number of health conditions. Platelets are one of the main ...

A high platelet count, or thrombocytosis, is diagnosed when platelet levels are greater than 450,000 platelets per microliter of blood. A high platelet count can lead to symptoms that range from ...