Kidney Function Test Creatinine. Creatinine levels are checked to assess kidney function. Your doctor may order a creatinine blood test to assess your creatinine levels if you show signs of kidney disease.
Creatinine is transported through blood stream to the kidneys the kidney filter out most of creatinine blood and dispose it in the urine. The urine will be sent to a laboratory where a test called an acr albumin to creatinine ratio is done. If your kidneys aren t functioning properly an increased level of creatinine may accumulate in your blood.
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The urine will be sent to a laboratory where a test called an acr albumin to creatinine ratio is done. Creatinine levels are checked to assess kidney function. This is referred to as creatinine clearance and it estimates the rate of filtration by kidneys glomerular filtration rate or gfr. A creatinine urine test can measure creatinine in your urine.