meaning leukocyte esterase is not detected. With microscopic testing, a normal range is 0 to 5 per high-powered field (hpf).

and high-risk patients should undergo careful evaluation for malignant urinary diseases. Basic Science The esterase method of detecting leukocytes in a urine sample relies on the fact that ...

An ultrasound of the urinary tract was unremarkable. Urinalysis and microscopy showed an elevated leukocyte esterase test, pyuria and a high number of bacteria. Empiric treatment with oral co ...