White blood cells in urine
Leukocytes in the urine are white blood cells that appear when there is inflammation or infection in the urinary tract. Their presence is a common hint of a urinary tract infection.
| Rating | Range | What it means |
|---|---|---|
| Good | below 10 /µL | Within range. |
| Worth improving | 10 – 100 /µL | Above the upper reference limit (about 10/µL). Possible infection or contamination. |
| Talk to a doctor | 100 /µL and above | Markedly raised white cells in urine. Possible urinary infection; assess with symptoms and a culture. |
Why it matters
ECLM: indicate a possible urinary tract infection.
If it’s low
The absence of leukocytes is favorable (infection unlikely).
If it’s high
Elevated leukocytes in the urine indicate inflammation/infection of the urinary tract (bladder, kidneys), especially with nitrites and symptoms (burning urination, frequent urination).
What to do
Leukocytes + symptoms (burning/frequent urination) mean a likely infection → consultation for a possible urine culture and treatment. Without symptoms, an antibiotic is often not needed.
Read together with
Nitrites in urine · Red blood cells in urine
This content is for information only and is not a substitute for medical advice. Talk to your doctor about your results.
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