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Chemical and microscopic changes that invalidate a urine specimen occur if the urine is kept at room temperature for more than one hour.
Because any bacterial cells present in a urine sample kept at room temperature for more than one hour will continue to use glucose in the urine which will result in a falsely reduced urine glucose measurement.
Bacterial cells also produce ammonia which makes the urine more alkaline and results in increased pH.
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Chemical and microscopic changes that disregards a urine sample occur if the urine is kept at room temperature for more than one hour.
Urinalysis is the term for the urine test (analysis of the urine). Urinalysis is most frequently used to identify elements or cells in the urine that indicate various diseases. Diet, dehydration, medications, exercise, and other factors can have an impact on the findings of urine tests.
There are certain bacterial changes that acts upon the urine when the urine is kept at the room temperature. The bacteria multiplies itself which then further affects the test results as well.
At room temperature, there is the formation of ammonium which causes the to be urine more alkaline in nature and thus pH of the the urine sample also changes.
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