With microscopic testing, a normal range is 0 to 5 per high-powered field (hpf). White blood cells in urine are a sign of ...

Of 1516 additional urine specimens sent for formal urinalysis, 1279 had 0–9 leukocytes/hpf. Urine pathogens were isolated less commonly (6% vs. 76%) and at lower concentrations in infants with ...