How long does it take to get creatinine test results?

Creatinine test results are typically available within a few hours to a day, depending on the laboratory’s processing time. In some cases, particularly if the test is conducted in a hospital or specialized clinic, results may be available within the same day. If you're undergoing a creatinine clearance test, which includes a 24-hour urine collection, the results may take slightly longer. Your doctor will review the results with you and explain any necessary changes to your treatment plan based on the findings.