Definition

Complete Blood Count—a laboratory test that counts every type of blood cell to determine if your immune system is throwing a party or having a meltdown.

Example Usage

CBC showed elevated white blood cells suggesting infection.

Origin

Common laboratory test acronym; methodology dates to 19th century improvements in microscopy

Fun Fact

A normal CBC has three main components: WBC (white blood cells), RBC (red blood cells), and platelets, each requiring different reference ranges.

Source: Laboratory medicine and hematology

Related Terms

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catheter

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airway

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