What does the White Blood Cell Count - WBC blood test mean? Get a free analysis of your blood test now. Here's what you get with our free analysis:
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The White Blood Cell Count (WBC) is a crucial component of the Complete Blood Count (CBC) test. It measures the total number of white blood cells in a given volume of blood. White blood cells, also known as leukocytes, are essential components of the body's immune system. They help fight infections and defend against foreign invaders. The WBC count provides valuable information about the body's ability to combat diseases and can indicate the presence of various health conditions, including infections, inflammation, autoimmune disorders, and certain types of cancer.
Acceptable Range: 4500 to 11000
Ideal for Women: 4500-11000
Ideal for Men: 4500-11000
Ideal for Girls: 4500-13500
Ideal for Boys: 4500-13500
Test Method: blood
What do readings below 4500 cells/mcL for White Blood Cell Count - WBC mean?
A low WBC count, also known as leukopenia, may indicate:
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Bone marrow problems or failure
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Autoimmune disorders attacking white blood cells
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Certain medications (e.g., chemotherapy drugs)
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Severe infections overwhelming the immune system
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Nutritional deficiencies (e.g., vitamin B12 or folate)
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Liver or spleen diseases
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Radiation exposure
A low WBC count can increase the risk of infections and may require further investigation to determine the underlying cause.
What do readings above 11000 cells/mcL for White Blood Cell Count - WBC mean?
A high WBC count, also known as leukocytosis, may indicate:
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Bacterial, viral, or fungal infections
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Inflammatory conditions (e.g., rheumatoid arthritis, inflammatory bowel disease)
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Allergic reactions
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Leukemia or other blood cancers
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Tissue damage from burns or injuries
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Stress or intense physical exercise
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Smoking or excessive alcohol consumption
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Certain medications (e.g., corticosteroids)
A high WBC count often suggests that the body is fighting an infection or dealing with inflammation. Further tests may be needed to determine the specific cause.
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