Definition
Urinalysis is the physical, chemical, and microscopic examination of urine. It involves a number of tests to detect and measure various compounds that pass through the urine.
Other Names
Urine appearance and color; Routine urine test
How the Test is Performed
A urine sample is needed. Your health care provider will tell you what type of urine sample is needed. For information on how to collect a urine sample, see:
There are three basic steps to a complete urinalysis:
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Definition
Urinalysis is the physical, chemical, and microscopic examination of urine. It involves a number of tests to detect and measure various compounds that pass through the urine.
Considerations
If a home test is used, the person reading the results must be able to distinguish between different colors, since the results are interpreted using a color chart.
Other Names
Urine appearance and color; Routine urine test
How the Test will Feel
The test involves only normal urination, and there is no discomfort.
How to Prepare for the Test
Certain medicines change the color of urine, but this is not a sign of disease. Your doctor may tell you to stop taking any medicines that can affect test results.
Medicines that can change your urine color include:
- Chloroquine
- Iron supplements
- Levodopa
- Nitrofurantoin
- Phenazopyridine
- Phenothiazines
- Phenytoin
- Riboflavin
- Triamterene
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Normal Results
Normal urine may vary in color from almost colorless to dark yellow. Some foods (like beets and blackberries) may turn the urine a red color.
Usually, glucose, ketones, protein, bilirubin, are not detectable in urine. Hemoglobin, red blood cells, white blood cells, and nitrites, are not normally found in the urine.
Risks
There are no risks.
What Abnormal Results Mean
For specific results, see the individual test article:
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