Leukocyte Esterase (Urine)

The leukocyte esterase test detects an enzyme released by white blood cells in urine. A positive result suggests white blood cells are present, indicating possible infection.

Category: Urinalysis

Also known as: leukocyte esterase, urine leukocyte esterase, LE, urine LE, leukocyte esterase urine

Reference range: 0–0 (Source: ABIM)

High values may indicate

Positive leukocyte esterase may indicate urinary tract infection, kidney infection, or inflammation in the urinary tract.

Low values may indicate

Negative leukocyte esterase is normal and indicates no significant white blood cell presence in the urine.

Source: MedlinePlus, U.S. National Library of Medicine

Track your Leukocyte Esterase (Urine) over time with BloodId