Newly Diagnosed? Here’s what you need to know Know your kidney numbers. This goes for blood and urine. EGFR, or estimated glomerular filtration rate, is a measure of kidney function and is performed through a blood test. Be sure to get your urine tested as well for a protein called albumin. Too much albumin in the urine is an early sign of kidney damage.
First Steps After Diagnosis of CKD – The National Kidney Foundation