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What does a full blood count test?

2 doctors weighed in
Dr. James Ball
Pediatrics - Hematology & Oncology
1 doctor agrees

In brief: Types of blood cells

A complete blood count (CBC) tests for three types of blood cells: red blood cells, white blood cells and platelets.
It also give characteristics (size, etc) of some of these. It often includes a description of the white blood cells, called a differential. This can give additional information if the white blood cell count is high or low.

In brief: Types of blood cells

A complete blood count (CBC) tests for three types of blood cells: red blood cells, white blood cells and platelets.
It also give characteristics (size, etc) of some of these. It often includes a description of the white blood cells, called a differential. This can give additional information if the white blood cell count is high or low.
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