Medically reviewed by Yasmine S. Ali, MD, MSCI A mean platelet volume (MPV) blood test measures the average size of your platelets, the tiny blood cells that help form clots to stop bleeding. It is ...

Medically reviewed by Douglas A. Nelson, MD A high platelet count, or thrombocytosis, is diagnosed when platelet levels are greater than 450,000 platelets per microliter of blood. A high platelet ...

The characteristic findings included low hematocrits, platelet counts within the normal range, prolonged bleeding times, abnormal prothrombin consumption and diminished platelet adhesiveness.

A review of the patient’s chart shows that he had a CBC that was normal — including a platelet count of 180,000 — about 5 years ago before a hernia surgery. He received treatment at an ...