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Interpret Your Urine Leukocytes (WBC) Results
Enter your Urine WBC value below and get an instant, free AI interpretation — a plain-English explanation checked against WHO/IFCC reference ranges.
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Urine Leukocytes (WBC) Normal Ranges
White blood cells (leukocytes) in urine — called pyuria — indicate inflammation or infection within the urinary tract.
| Reference Range | Unit | Notes |
|---|---|---|
| 0 – 5 | WBC/HPF | <5 WBC/HPF = normal on microscopy |
Also reported in: WBC/HPF.
Common Causes of High Urine WBC
Urinary tract infection (cystitis, pyelonephritis) — most common causeSexually transmitted infections (Chlamydia trachomatis, Neisseria gonorrhoeae, Ureaplasma) — sterile pyuriaGenitourinary tuberculosis — classic cause of sterile pyuria in endemic areas
Common Causes of Low Urine WBC
Fewer than 5 WBC/HPF is normal and does not indicate infectionVery dilute urine may reduce visible WBCs below detection threshold
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