Kidney Blood Test Bad. Blood test results can vary a little bit depending on the lab. Gfr a blood test measures how much blood your kidneys filter each minute which is known as your glomerular filtration rate gfr.
Therefore if you have an abnormal result you may need further tests to find the cause of a kidney problem. National library of. Urine tests other blood tests scans x rays kidney biopsy etc.
Urine tests other blood tests scans x rays kidney biopsy etc.
If the blood test is abnormal it cannot say what is causing the kidney problem. Blood tests for kidney problems. Bun blood test u s. Kidney function tests target either the blood or urine and measure different aspects of kidney function.