White blood cell count test

What Is a White Blood Cell (WBC) Count?

By LabBee | 2022  5-minute read 

White blood cell count refer to the number of white blood cells in your body.

WBC or white blood cell (WBC) count is a test that measures the number of white blood cells in your body. This test is often included with a complete blood count (CBC), commonly used to screen for different conditions that may affect your health.

There are several types of white blood cells, and your blood usually contains a percentage of each type. Sometimes, however, your white blood cell count can fall or rise out of the healthy range. This may be due to an underlying condition or infection.

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Why do you need a white blood cell count

As we mentioned before WBC is often included on the CBC test as part of a routine blood test

White blood cells or leukocytes, help fight infection by attacking bacteria, viruses, and germs that invade the body.

A white blood cell count can detect hidden infections within your body and alert doctors to undiagnosed medical conditions, such as autoimmune diseases, immune deficiencies, and blood disorders. This test also helps doctors monitor the effectiveness of chemotherapy, radiation treatment, and other therapies in people with cancer.

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White blood cell differential

A white blood cell count differential, provides a breakdown of your white blood cell count. It separates the count out by the different types of white blood cells and looks to see if they are in the normal range.

There are five major types of white blood cells. Each of them have a roles in protecting your body from infection and dealing with infected cells. 

Five Major white blood cells types

A normal range for a white blood cell count is typically between 4,000 and 11,000/microliters.

Factors like age and sex may determine what a normal range looks like. Always ask your doctor for your normal range

Note that pregnant women, newborns and children under two, may have a white blood cell count that differs from normal ranges.

A high or low WBC count

If you get numbers higher or lower than the normal range for your age and sex,  it may mean that your test results are abnormal and need a review from your doctor.

A low or high WBC count can point to a blood disorder or other medical condition. To identify the exact cause of a high or low WBC count, your doctor will take several factors into consideration, such as your list of current medications, any symptoms you have, and your medical history.

Low white blood cell count

Leukopenia  describe a low WBC count. Can be triggered by:

High white blood cell count

Leukocytosis describe a high WBC count.  Can be triggered by:

How to prepare for a WBC count

You don´t require a specific preparation for a WBC just schedule an appointment with a doctor or set up an appointment at a local medical laboratory.

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LabBee has an ever growing team of local Phlebotomists that will come to your location, collect your samples and make sure they get to one of our LabBee lab partners.  We will take care of collecting the necessary insurance information so the lab can bill your insurance once testing is completed  Get all of this and more, starting at $49

Preparing for Lab Test

Preparing for your upcoming lab test is essential to receiving the most accurate results, check LabBee recommendations for your next blood draw

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