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Also known as: WBC count, Leukocyte count, White count
Related tests: Complete blood count, Blood smear email this page
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At A Glance
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Why get tested?
If your doctor thinks that you might have an infection or a disease that affects
the production of white blood cells, and to monitor treatment
When to get tested?
As part of a complete blood count (CBC), which may be ordered for a variety
of reasons
Sample required?
A blood sample drawn from a vein in your arm or by a fingerstick (children and
adults) or heelstick (newborns)