Testing your Kidneys


When your nephrologist suspects something may be up with your kidneys, they may recommend one or both, of the following tests, be performed in the lab: ACR (Albumin to Creatinine Ratio) and GFR (glomerular filtration rate). The ACR or Albumin to Creatinine ratio test is a urinalysis that determines whether you have protein (albumin) in your urine. Protein does not belong in the urine, it should be filtered by the kidneys. If your urine has protein in it, it may be a sign of kidney disease. This test is repeated frequently to track your kidney function. The GFR or glomerular filtration rate is a blood tests that looks for creatinine. Creatinine comes from muscle tissue and if your kidneys ...