All tests · Urinalysis

Urinalysis

Leukocyte Esterase

Normal range Negative. Specimen: Random urine.

Also known as: LE.

NegativeReference range

Reference range

This result is reported qualitatively or as a one-sided threshold rather than a two-sided numeric band.

Combined adult band. LabVals does not publish separate men's, women's, or pediatric ranges for Leukocyte Esterase; those can be narrower than the band shown.

Leukocyte Esterase reference range, specimen, and conversion details
SpecimenRandom urine
Conventional rangeNegative
SI rangeNegative
PanelUrinalysis

What is the normal range for Leukocyte Esterase?

The standard teaching reference range for Leukocyte Esterase is Negative. This value is measured in random urine.

Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.

At the bedside

Nursing considerations

  • An enzyme released by white cells; positive with nitrites makes UTI likely.
PremiumDrill the Urinalysis deck

You have the Leukocyte Esterase range. Premium unlocks the 11-card Urinalysis flashcard deck with mastery tracking, study sheets that put several panels on one printable page, and unlimited practice across all 440 quiz questions - the free round stops at 10 a day.

Same panel

More Urinalysis tests