Leukocyte esterase


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Male urinary system
Male urinary system
Alternative Names

WBC esterase


What the risks are

There are no risks.


Special considerations

False positive tests can be produced by contamination with vaginal secretions (such as blood or heavy mucus discharge), or by a Trichomonas infection (such as trichomoniasis).

False negative tests can be produced by the presence of high levels of protein or ascorbic acid (Vitamin C).



Review Date: 10/27/2005
Reviewed By: Frank A. Greco, M.D., Ph.D., Director, Biophysical Laboratory, The LaheyClinic, Burlington, MA. Review provided by VeriMed Healthcare Network.


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