White Blood Cells (Urine)
The urine WBC test counts the number of white blood cells in a urine sample. The presence of WBCs in urine usually indicates an infection or inflammation in the urinary tract.
Category: Urinalysis
Also known as: urine wbc, urine white blood cells, wbc urine, urine leukocytes
Reference range: 0–5 /HPF (Source: ABIM)
Standard unit: /HPF
High values may indicate
High urine WBC (pyuria) may indicate a urinary tract infection (UTI), kidney infection (pyelonephritis), bladder inflammation, or kidney stones.
Low values may indicate
Low or absent urine WBC is normal and indicates no significant infection or inflammation in the urinary tract.
Frequently asked questions
- What is a normal White Blood Cells (Urine) level?
- A typical reference range for White Blood Cells (Urine) is 0–5 /HPF (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- What units is White Blood Cells (Urine) measured in?
- White Blood Cells (Urine) is most commonly reported in /HPF. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
- Where do White Blood Cells (Urine) reference ranges come from?
- BloodId uses ABIM standard reference ranges and educational information from MedlinePlus (see our methodology). Reference ranges still vary by lab, age, and sex, so always compare against your own report.
- Can I track White Blood Cells (Urine) over time?
- Yes. Upload results from any lab and BloodId charts your White Blood Cells (Urine) over time against its reference range, so you can see whether the trend is rising, falling, or stable.
Related biomarkers
Source: MedlinePlus, U.S. National Library of Medicine
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