Test Detail

Creatinine, Urine 24H

A 24-hour urine creatinine test measures the amount of creatinine, a muscle metabolism waste product, excreted in a full day's urine collection to assess kidney function. Results help evaluate glomerular filtration rate (GFR) and can indicate kidney problems, muscle disorders, or urinary tract obstructions. Accurate results depend on meticulous collection, including storing the container in a refrigerator and following the provider's instructions precisely.