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The interpretation of urinalysis takes into account the results of physical, chemical and microscopic examination and the person's overall condition. Urine test results should always be interpreted using the reference range provided by the laboratory that performed the test, or using information provided by the test strip/device manufacturer. [136]
The normal number of red blood cells in urine should not usually exceed 3 per high power field. [13] A urine test strip showing positive for blood can also indicate hemoglobinuria, which is not detectable using a microscope due to the lysis of red blood cells in the urinary tract (particularly in alkaline or dilute urine), or intravascular ...
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 ]
It also prepares blood components, derivatives, and products for transfusion. This area determines a patient's blood type and Rh status, checks for antibodies to common antigens found on red blood cells, and cross matches units that are negative for the antigen. Urinalysis tests urine for many
Urinalysis is the most common test type and used by federally mandated drug testing programs and is considered the Gold Standard of drug testing. Urine based tests have been upheld in most courts for more than 30 years. However, urinalysis conducted by the Department of Defense has been challenged for reliability of testing the metabolite of ...
Pages for logged out editors learn more. Contributions; Talk; ... Reference ranges for urine tests are described below: Measurement ... Red blood cells (RBCs) 0 [4] [2]
Increased levels of protein in the urine, proteinuria, can be measured with a urine dipstick test. Three different tests may be used to measure calcium levels in urine, 24-hour urine tests, blood tests, and genetic tests. Measuring calcium levels can also be done using an oral calcium tolerance test. [24]
Urine tests such as urinalysis can evaluate for pH, protein, glucose, and the presence of blood. Microscopic analysis can also identify the presence of urinary casts and crystals. [ 44 ] The glomerular filtration rate (GFR) can be directly measured ("measured GFR", or mGFR) but this rarely done in everyday practice.
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