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 ...
Medically reviewed by Anju Goel, MD You may need an MPV test if you show symptoms that suggest an issue with your platelet size or number.An MPV test involves drawing a blood sample from a vein and ...