Absolute Neutrophil Count (ANC) is a measure of the number of neutrophil granulocytes in the blood. It is used to assess an individual's immune system health and risk for infection.
Absolute Neutrophil Count:
2500 cells/µL
The Absolute Neutrophil Count (ANC) is the product of the total White Blood Cell (WBC) count and the fraction of neutrophils, which includes both mature segmented neutrophils and immature bands.
ANC = WBC count × [(% neutrophils + % bands) ÷ 100]
Consider a clinical scenario where a patient's lab results show a total WBC count of 3,000 cells/µL, with 40% neutrophils and 0% bands.
What is a normal ANC range?A normal ANC typically falls between 1,500 and 8,000 cells/µL. However, specific reference ranges may vary slightly by laboratory.
Why is ANC important?The ANC is a critical measure of the body's immune function. It specifically gauges the number of neutrophils available to fight off bacterial infections.
What does a low ANC mean?A low ANC, known as neutropenia, means the body is more susceptible to infection. The lower the count, the higher the risk of severe bacterial or fungal illness.
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