Reference range
This result is reported qualitatively or as a one-sided threshold rather than a two-sided numeric band.
| Specimen | Random urine |
|---|---|
| Conventional range | Negative |
| SI range | Negative |
| Panel | Urinalysis |
Urinalysis
Leukocyte Esterase
Normal range Negative. Specimen: Random urine.
Also known as: LE.
NegativeReference range
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.
Above the range
Common causes of a high Leukocyte Esterase
- Pyuria / urinary tract infection
At the bedside
Nursing considerations
- An enzyme released by white cells; positive with nitrites makes UTI likely.
Study aid
Your notes on Leukocyte Esterase
Same panel