Basophils are the least common white blood cells. They play a role in allergic reactions and release histamine during inflammation.
Category: Complete Blood Count
Also known as: basophils, baso, basophil %, basos
Reference range: 0–1 % (Source: ABIM)
Standard unit: %
High values may indicate
High basophils (basophilia) may indicate allergic reactions, chronic myeloid leukemia, hypothyroidism, or inflammatory conditions.
Low values may indicate
Low basophils are generally normal, as they make up a very small percentage of white blood cells.
Source: MedlinePlus, U.S. National Library of Medicine
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