CREATININE

Creatinine is a waste product of muscle metabolism, filtered by the kidneys and excreted in urine. The creatinine test is a blood test that measures the level of this substance in the blood and helps assess kidney function. Elevated creatinine levels may indicate reduced kidney function or kidney disease, while normal levels usually suggest that the kidneys are functioning properly. This test is often part of an overall assessment of kidney health and is also used to monitor patients with chronic kidney disease.