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Urinalysis, a portmanteau of the words urine and analysis, [1] is a panel of medical tests that includes physical (macroscopic) examination of the urine, chemical evaluation using urine test strips, and microscopic examination.
Urine is a liquid by-product of metabolism in humans and many other animals. In placental mammals, urine flows from the kidneys through the ureters to the urinary ...
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]
Automatic analysis of urine test strips using automated urine test strip analysers is a well-established practice in modern-day urinalysis. They can measure calcium , blood, glucose, bilirubin, urobilinogen, ketones, leukocytes, creatinine , microalbumin , pH, ascorbic acid and protein.
Urine then flows through the nephrons, through a system of converging tubules called collecting ducts. These collecting ducts then join to form the minor calyces, followed by the major calyces that ultimately join the renal pelvis. From here, urine continues its flow from the renal pelvis into the ureter, transporting urine into the urinary ...
Urine drug testing is one of the most common testing methods used. The enzyme-multiplied immune test is the most frequently used urinalysis. Complaints have been made about the relatively high rates of false positives using this test. [18] Urine drug tests screen the urine for the presence of a parent drug or its metabolites.
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.
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] g/mL Urobilinogen: