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Urinalysis is one of the most commonly performed medical laboratory tests. [12] It is frequently used to help diagnose urinary tract infections [13] and to investigate other issues with the urinary system, such as incontinence. [14] It may be used to screen for diseases as part of a medical assessment.
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 be clinically significant in the right context. The LE test is also used to screen for gonorrhea and ...
Pyuria. White blood cells seen under a microscope from a urine sample. Pyuria is the condition of urine containing white blood cells or pus. Defined as the presence of 6-10 or more neutrophils per high power field of unspun, voided mid-stream urine, it can be a sign of a bacterial urinary tract infection. Pyuria may be present in people with ...
A urine test strip or dipstick is a basic diagnostic tool used to determine pathological changes in a patient's urine in standard urinalysis. [1] A standard urine test strip may comprise up to 10 different chemical pads or reagents which react (change color) when immersed in, and then removed from, a urine sample.
A urine test is any medical test performed on a urine specimen. The analysis of urine is a valuable diagnostic tool because its composition reflects the functioning of many body systems, particularly the kidneys and urinary system, and specimens are easy to obtain. [1] Common urine tests include the routine urinalysis, which examines the ...
e. Reference ranges for urine tests are described below: Measurement. Lower limit. Upper limit. Unit. Urinary specific gravity. 1.003 [1] [2] 1.030 [1] [2]
Specialty. Infectious disease, pathology. Leukocytosis is a condition in which the white cell (leukocyte) count is above the normal range in the blood. [1][2] It is frequently a sign of an inflammatory response, [3] most commonly the result of infection, but may also occur following certain parasitic infections or bone tumors as well as leukemia.
In the elderly, the leukocyte esterase test is often positive even in the absence of an infection. [citation needed] The urine dipstick test is readily available and provides fast, but often unreliable results. Some organisms such as chlamydia and Ureaplasma urealyticum will produce a negative leukocyte esterase reaction.