White Count

... 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)
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