Haber, Meryl H. Director, Pathology Department, Rush Medical College, Rush Presbyterian, Chicago, Illinois.
Last reviewed:February 2019
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- Macroscopic and chemical examination
- Microscopic analysis
- Additional tests
- Links to Primary Literature
- Additional Readings
Laboratory examination of urine. Urinalysis, that is, analysis of the urine, involves chemical, physical, and microscopic tests. Urine is a filtrate of the blood and is produced in the kidneys. It is a reflection of the metabolic activity of the body, and conditions that affect the normal homeostatic mechanisms of the body are often revealed by a careful analysis of the composition of the urine. In general, abnormal urinalysis results indicate a pathological illness or disease. Modern routine urinalysis is typically divided into two basic procedures: macroscopic and chemical examination (Fig. 1), and microscopic analysis. See also: Blood; Clinical pathology; Kidney; Kidney disorders; Metabolism; Urinary tract disorders; Urine
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