Kidney Function Assessment: The Need for a Confirmatory Test.

The article discusses the kidney function assessment, focusing on the need for confirmatory test of creatinine-based estimated glomerular filtration rate (eGFR) in select circumstances uring either measured GFR or cystatin C. Topics include the Chronic Kidney Epidemiology collaboration (CKD-EPI) equation, the Modification of Diet in Renal Disease (MDRD) Study equation, and the diethethylenetriaminopenta-acetic acid (DTPA).