What Is a Normal Full Blood Count?


Quick Answer

The values in a normal blood count vary for the separate components in blood. In addition, results are somewhat different among laboratories, according to MedicineNet.com. For instance, a typical white blood count runs between 4,300 and 10,800 cells per cubic millimeter of blood.

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Full Answer

Red blood count generally extends from 4.2 million to 5.9 million cells per cubic millimeter, reports MedicineNet.com. The amount of hemoglobin, the protein molecule in red blood cells, varies between women and men. While women normally have 12 to 16 grams of hemoglobin per deciliter, men have 13 to 18. The ratio by volume of red blood cells to whole blood -- hematocrit -- has sex differences, as well. Red blood cells compose 37 to 48 percent of women's blood and 45 to 52 percent of men's blood.

The average volume of a blood cell, or mean corpuscular volume, normally ranges from 80 to 100 femtoliters, MedicineNet.com states. The typical amount of hemoglobin in a red blood cell -- Mean Corpuscular Hemoglobin -- runs 27 to 32 picograms. The concentration of hemoglobin in red blood cells is normally between 32 and 36 percent. Red cell distribution width measures size and shape variations of red blood cells, and a normal reading is between 11 and 15. There are usually 150,000 to 400,000 platelets per cubic millimeter of blood.

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