Renal Blood Test What Is It For. Send thanks to the doctor 90 000 u s. A 24 hour urine sample is a creatinine clearance test.
This is known as your gfr glomerular filtration rate. If these tests indicate the possibility of kidney damage the physician may want to use medical imaging to see if damage to the kidneys is visible or take a kidney biopsy to look for damage at the cellular level. If the blood test is abnormal it cannot say what is causing the kidney problem.
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Fasting blood glucose measures the amount of glucose sugar in your blood to test for diabetes or prediabetes. If these tests indicate the possibility of kidney damage the physician may want to use medical imaging to see if damage to the kidneys is visible or take a kidney biopsy to look for damage at the cellular level. It can also be used to monitor people who are receiving treatment for illnesses affecting the kidneys. It measures how much blood your kidneys filter each minute.