Kidney Function Test Urea. The test can help determine how well the kidneys are functioning and whether your. This test is based on a comparing the amount of urea in the blood with.
It may be done. A 24 hour urine sample is a creatinine clearance test. Conditions that cause obstruction of urine.
High urea levels suggest poor kidney function.
Healthy kidneys remove wastes and excess fluid from the blood. If you have suspected kidney failure. Kidney function tests target either the blood or urine and measure different aspects of kidney function. Tests to measure kidney function mayo clinic.