What does a positive leukocyte esterase test mean?

Why the Test is Performed. Leukocyte esterase is a screening test used to detect a substance that suggests there are white blood cells in the urine. This may mean you have a urinary tract infection. If this test is positive, the urine should be examined under a microscope for white blood cells and other signs that point to an infection.

What are leukocytes in a urine test?

Leukocytes may also be found in a urinalysis, or a urine test. High levels of WBCs in your urine also suggest that you have an infection. In this case, your body is trying to fight off an infection somewhere in your urinary tract.

What is a CBC leukocyte test?

A complete blood cell (CBC) test often includes a measurement of the level of leukocytes, or white blood cells (WBCs). Higher levels of leukocytes in the bloodstream may indicate an infection.

What is the normal range for leukocyte esterase in urine?

Optimal Result: 0 – 0.001 Units. Leukocyte esterase is a test used to detect a substance that suggests there are white blood cells in the urine. This may mean you have a urinary tract infection (UTI).

What is the difference between nitrite and leukocyte esterase?

If the urine is tested positive for nitrite, it indicates a bacterial infection, although it does not pick up all the bacteria present in the urine. If the urine tests negative for leukocyte esterase, it means an infection is highly unlikely. If the leukocyte esterase test is positive and nitrite is negative, it can still mean an infection.

What does WBC esterase mean in a urine test?

also known as: WBC esterase. Leukocyte esterase refers to the urine test to analyze the presence of any infection and to check if the white blood cells are available in the urine. The kidneys help to eliminate wastes that are available in the blood, help to regulate the required water level, and conserve electrolytes.