Complete Blood Count

Also known as: CBC.

What is complete blood count?

A complete blood count is a common blood test that’s often taken during physicals or other medical checkups. It provides an evaluation of overall health, and also checks for certain disorders such as infection, anemia, leukemia, immune system disorders and other diseases.

What happens during the procedure?

A routine blood draw is required in order to begin the CBC. The blood sample is then taken to a laboratory for testing and analysis.

Is any special preparation needed?

No special preparation is required.

What are the risk factors?

Local bleeding or trauma at the site where the blood is draw and infection are the main risks factors.


Reviewed by: Steven J. Melnick, PhD, MD

This page was last updated on: April 06, 2021 10:16 AM

Learn more about

Acute Myeloid Leukemia (AML)

Acute myeloid leukemia is a leukemia that starts in the bone marrow (the tissue inside the bone where blood is made) and results in the creation of immature white blood cells. Learn more

Acute Lymphoblastic Leukemia (ALL)

Acute lymphocytic leukemia (ALL), also called acute lymphoblastic leukemia, is the most common cancer and the most common leukemia affecting children. It is a cancer that affects the bone marrow and subsequently, the blood. Learn more