Creatinine (24 Hrs Urine)

Specimen Required

24 Hrs Urine

Fasting Required

Purpose of the Test

Creatinine is a waste product produced by muscle metabolism and excreted by the kidneys. A 24-hour urine creatinine test may be ordered to evaluate kidney function, monitor the effectiveness of dialysis treatments, or to diagnose conditions such as kidney disease.

When this test is required

A 24-hour urine creatinine test may be ordered by a healthcare provider when there is a suspicion of kidney disease or to monitor patients with kidney disease.

What the Test Detects

A 24-hour urine creatinine test measures the amount of creatinine in the urine over a 24-hour period. Creatinine is a waste product produced by muscle metabolism and excreted by the kidneys. The test provides an estimation of the kidney’s ability to filter and excrete creatinine from the body.

Preparation for the Test

There are no specific test preparation requirements for a 24-hour urine creatinine test. However, healthcare providers may advise patients to avoid certain medications or supplements before the test as they can affect the results.

Sample Requirements

A 24-hour urine sample is required for the test. The individual needs to collect all the urine they produce over a 24-hour period, starting and ending with an empty bladder.

Additional Notes

It is essential to collect all urine produced over a 24-hour period for the test. Incomplete or inaccurate collection may lead to inaccurate results. Patients should follow the healthcare provider’s instructions for the test and inform them of any medications or supplements they are taking that may affect the test results.

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