what is considered a normal white blood cell count?
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How many white blood cells (WBCs) someone has varies, but the normal range is usually between 4,000 and 11,000 per microliter of blood. A blood test that shows a WBC count of less than 4,000 per microliter (some labs say less than 4,500) could mean your body may not be able to fight infection the way it should.
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The specific number for high (above normal) white blood cell count varies from one lab testing facility to another, but a general rule of thumb is that a count of more than 10,500 leukocytes in a microliter of blood in adults is generally considered to be high, while 4,500-10,500 is considered within the normal range.
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Normal Blood Count Ranges In general, the normal range for a red blood cell count is 4.5 to 5.5 million cells/mm3 if you're male and 4 to 5 million cells/mm3 if you're female. For white blood cell count, the normal range is 5,000 to 10,000 cells/mm3, and for platelets, the typical range is 140,000 to 400,000/mm3.
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High white blood cell (WBC) count Though it varies between individuals, a high white blood cell count (leukocytosis) is usually considered to be anything above 11,000 cells per μl of blood in an adult.
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Diagnosis. If you're healthy, you can still have elevated leukocytes in your bloodstream and urine. A normal range in the bloodstream is between 4,500-11,000 WBCs per microliter. A normal range in the urine is lower than in the blood, and may be from 0-5 WBCs per high power field (wbc/hpf).
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The normal range for neutrophils is usually between 2 billion and 7.5 billion neutrophils per litre of blood. To make these large numbers easier to manage, they are written down as 2.0 x 109/L to 7.5 x 109/L.
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Certain medications also can cause white blood cell counts to drop. If your white blood cell count is higher than normal, you may have an infection or inflammation. Or, it could indicate that you have an immune system disorder or a bone marrow disease. A high white blood cell count can also be a reaction to medication.
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The normal number of WBCs in the blood is 4,500 to 11,000 WBCs per microliter (4.5 to 11.0 × 109/L). Normal value ranges may vary slightly among different labs. Some labs use different measurements or may test different specimens. Talk to your provider about your test results.
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An elevated WBC count in itself is not usually dangerous, but the causes of it can be if left untreated. On average, your body is naturally designed to produce white blood cells when needed and reduce them when you have regained normal health.
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White blood cell count (WBC) A low WBC count may be due to chemotherapy, a viral infection, a toxic reaction, or a process in the bone marrow that limits the body's ability to make normal WBCs. A high WBC count may result from an infection or leukemia.
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The normal range for the white blood cell count varies between laboratories but is usually between 4,300 and 10,800 cells per cubic millimeter of blood. This can also be referred to as the leukocyte count and can be expressed in international units as 4.3 - 10.8 x 109 cells per liter.
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White Blood Cell (WBC) Count. WBCs, or leukocytes, help prevent and fight infections. A normal count ranges from 4,000–11,000/mm3 in a healthy adult. A high count may mean that your body is fighting an infection.
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Though it varies between individuals, a high white blood cell count (leukocytosis) is usually considered to be anything above 11,000 cells per μl of blood in an adult. This can be related to: Infection. Bone marrow disease.
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The WBC count may be elevated in patients with a normal appendix. Leukocytosis is noted in 70% to 90% of cases; it is usually mild to moderate (10,000 to 18,000/mm3), with polymorphonuclear predominance. A marked elevation >18,000 to 20,000/mm3 suggests rupture, phlegmon, or abscess.
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Patients with acute or even chronic leukemia may come in with a white blood cell count up into the 100,000-400,000 range. When you have that many white cells in your blood vessels, it can impair blood flow, because you have 20 to 40 times the normal number of cells in the blood vessels.
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According to the Leukemia & Lymphoma Society: The normal RBC range for men is 4.7 to 6.1 million cells per microliter (mcL). The normal RBC range for women who aren't pregnant is 4.2 to 5.4 million mcL. The normal RBC range for children is 4.0 to 5.5 million mcL.
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The normal range for WBC is 5 to 10 K/uL. Your CBC will also measure what's called the ANC (absolute neutrophil count) That's the specific number of white blood cells in your blood that fight infection. Red blood cells carry oxygen and remove waste from your body.