Leukocyte esterase is a urine test to look for white blood cells and other signs associated with infection.
A clean catch urine sample is needed. See: Urine specimen - clean catch
No special preparation is necessary for this test.
The test will involve only normal urination, and there is no discomfort.
Leukocyte esterase is a screening test used to detect a substance that suggests there are white blood cells in the urine, which may mean you have a urinary tract infection.
This test is part of the routine urine dipstick test. If this test is positive, the urine should be examined under a microscope for white blood cells and other abnormalities associated with infection.
© 2011 University of Maryland Medical Center (UMMC). All rights reserved.
UMMC is a member of the University of Maryland Medical System,
22 S. Greene Street, Baltimore, MD 21201. TDD: 1-800-735-2258 or 1.866.408.6885