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Biomarker library

Urinalysis

Urine white blood cells

White blood cells in urine (leucocytes) signal inflammation somewhere in the urinary tract, most often from an infection.

Measured in your health assessment, with a doctor to explain your result. Book yours

White cells and enzyme screening

Why it matters

The dipstick detects an enzyme they release, leucocyte esterase. Together with nitrites, it is a good screen for a urine infection.

What a result can mean

Lower than the range

None is the normal result.

Higher than the range

White cells usually point to a urine infection, but they also occur with kidney stones, inflammation of the kidneys or bladder, some sexually transmitted infections, and contamination from vaginal discharge.

What can help

With symptoms, a urine culture identifies the infection and the right antibiotic. If white cells persist without an infection, further tests look for other causes.

Read it with

NoteGeneral educational illustration. Colours, sizes and movement are simplified. This is not a scan or a simulation of your body. General information, not personal medical advice: a doctor reads your own results with your history.

Know your urine white blood cells.

Measured in your health assessment and explained by the doctor who reviews your results.