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A 43-year-old member asked:

For leukocyte esterase what does a large result mean?

1 doctor answer4 doctors weighed in
Dr. Mohammed Karim
Internal Medicine 29 years experience
Usually an infection: Leukocyte esterase released by lysed neutrophils and macrophages is a surrogate marker of the presence of white blood cells (WBCs). Leukocyte esterase suggests that there are white blood cells in the urine. Large leucocyte esterase means plenty of WBC. Based on symptoms and other urine analysis findings this may suggest a urinary tract infection

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Last updated Jun 3, 2021
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