Creatinine is a waste product that forms when creatine, which is found in your muscle, breaks down.
Creatinine clearance tests are tests that give information about how well your kidneys are working and their ability to filter blood.
Formula to calculate creatinine clearance.
You multiply the result by 0.85 to get creatinine clearance for a woman.
Example:
Calculate the creatinine clearance of a 22 years old man who weighs 64 if the serum creatinine is 140 mg/dL.
Therefore, the creatinine clearance is 0.67mL/ min.