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  2. Leukocyte esterase - Wikipedia

    en.wikipedia.org/wiki/Leukocyte_esterase

    Leukocyte esterase (LE) is an esterase (a type of enzyme) produced by leukocytes (white blood cells). A leukocyte esterase test (LE test) is a urine test for the presence of white blood cells and other abnormalities associated with infection. White blood cells in the urine can indicate a urinary tract infection (UTI). Positive test results may ...

  3. Reference ranges for urine tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_urine...

    Leukocytes: n/a: 0 / negative [2] See also. Reference range; Reference ranges for blood tests; References This page was last edited on 26 January ...

  4. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    This may also be called standard range. In contrast, optimal (health) range or therapeutic target is a reference range or limit that is based on concentrations or levels that are associated with optimal health or minimal risk of related complications and diseases. For most substances presented, the optimal levels are the ones normally found in ...

  5. Urine test strip - Wikipedia

    en.wikipedia.org/wiki/Urine_test_strip

    The test for leukocyte esterase is indicative and does not replace microscopic examination of urine. [19] It is normal to find up to 3 (occasionally 5) leukocytes per high power field (40X) in a urine sample, with women having slightly higher results owing to vaginal contamination. [citation needed] Higher numbers indicate urinary infection.

  6. White blood cell - Wikipedia

    en.wikipedia.org/wiki/White_blood_cell

    The number of leukocytes in the blood is often an indicator of disease, and thus the white blood cell count is an important subset of the complete blood count. The normal white cell count is usually between 4 × 10 9 /L and 1.1 × 10 10 /L. In the US, this is usually expressed as 4,000 to 11,000 white blood cells per microliter of blood. [7]

  7. Pyuria - Wikipedia

    en.wikipedia.org/wiki/Pyuria

    It has been arbitrarily assumed that a number of over 4-5 leukocytes in the field of vision of the microscope indicates leukocyturia. [ 4 ] At the moment, there are also quick test strips available, allowing after wetting a special diagnostic bar, the detection of granulocytes in the urine, as evidenced by the color change of the test strip. [ 5 ]

  8. Bacteriuria - Wikipedia

    en.wikipedia.org/wiki/Bacteriuria

    In nursing homes rates are as high as 50% among women and 40% in men. [5] In those with a long term indwelling urinary catheter rates are 100%. [ 5 ] Up to 10% of women have a urinary tract infection in a given year and half of all women have at least one infection at some point in their lives.

  9. Leukostasis - Wikipedia

    en.wikipedia.org/wiki/Leukostasis

    A leukemia blood cell count greater than 50 x 10^9/ L (50,000 / microL) or 100 x 10^9 L / (100,000/ microL) signifies hyperleukocytosis. Symptoms of leukostasis start when blood levels of leukocytes reach over 100 x 10^9 / L (100,000 / microL). As stated before, these counts are critical and associated with Leukemias. [1]