There is a test called a complete blood count (CBC) to monitor your blood cell counts. Your bone marrow makes blood cells in the body. Bone marrow is the spongy material found in your bones. When checking your blood cell count, your doctor is looking at the numbers and types of blood cells.

Information About Red Blood Cells, White Blood Cells and Platelets




What's Being Counted What's Normal What's Low
White Blood Cells 5,000 to 10,000 Below normal
Hemoglobin 14.5 to 18 for men
12 to 16 for women
Below 10
Platelets 150,000 to 450,000 Below normal, especially below 20,000