Creatinine Kidney Function Test. These tests used together give an indication of overall kidney function but the best way to know if your kidneys are working properly is to measure the glomerular filtration rate gfr. Creatinine is a chemical waste product that s produced by your muscle metabolism and to a smaller extent by eating meat.
Creatinine is a chemical waste product that s produced by your muscle metabolism and to a smaller extent by eating meat. A creatinine blood test measures the level of creatinine in the blood. The kidneys usually completely filter creatinine from the blood.
The kidneys filter your blood removing waste and extra water to make urine.
A creatinine blood test measures kidney function. A creatinine test reveals important information about your kidneys. The kidneys filter your blood removing waste and extra water to make urine. A us doctor answered learn more.