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Creatinine Urine Test, 24-Hour

A Creatinine Urine Test is used to determine glomerular filtration rate, which helps to measure how well the kidney functions.

Sample Report

Test Code: 003012

Also Known As:

Methodology: Kinetic

Preparation: Urinate at 8am and discard the specimen. Then collect all urine in 24-hour period, ending with final collection at 8am the next morning. Refrigerate the collected urine between all voidings or keep it in a cool place. Screw the lid on securely. Transport the specimen promptly to the laboratory. Container must be labeled with full name, date and time collection started, and date and time collection finished.

Test Results: 1-2 days. May take longer based on weather, holiday or lab delays.

Sample Report

Test Code: 381

Also Known As:

Methodology: Colorimetric (C) • Kinetic

Preparation: Urinate at 8am and discard the specimen. Then collect all urine in 24-hour period, ending with final collection at 8am the next morning. Refrigerate the collected urine between all voidings or keep it in a cool place. Screw the lid on securely. Transport the specimen promptly to the laboratory. Container must be labeled with full name, date and time collection started, and date and time collection finished.

Test Results: 1-2 days. May take longer based on weather, holiday or lab delays.

Description

This test measures creatinine (a product of protein breakdown) in urine. It is used to determine glomerular filtration rate, which helps to measure how well the kidney functions.  This test may be used in suspected cases of gout , impaired kidney function, and kidney disease in diabetic patients.

Creatinine is a normal waste product produced by muscle metabolism. When your kidneys are functioning normally, they filter creatinine and other waste products out of your blood and send them out of the body through urine.

 

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