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A platelet count is a blood test used to measure the amount of platelets in the body, according to MedlinePlus. Platelets are the part of the blood responsible for clotting, and their number can signal different types of... More »

A normal platelet count following a blood test is in the range of 150,000 to 400,000 platelets per microliter, MedlinePlus reports. However, this range may differ slightly among different labs, or measurements may be rep... More »

The normal platelet count for a child or an adult is between 150,000 and 400,000 platelets per microliter of blood, according to MedlinePlus. Any number above or below this range may be indicative of a health issue. A si... More »

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A normal platelet count following a blood test is in the range of 150,000 to 400,000 platelets per microliter, MedlinePlus reports. However, this range may differ slightly among different labs, or measurements may be rep... More »

An abnormal complete blood count test result means that red blood cells, hematocrit, hemoglobin, white blood cells or platelets in the blood are not within normal ranges, according to MedlinePlus. When any of these compo... More »

A complete blood count is a test that provides important information about the types and numbers of cells in the blood, including red blood cells, white blood cells and platelets, according to WebMD. A complete blood cou... More »

A person's blood platelet count is considered low when it is less than 150,000 platelets per microliter during a blood test and dangerously low when under 50,000, according to MedlinePlus. The Platelet Disorder Support A... More »