On the occasion of World Kidney Day SRL Diagnostics a leading global diagnostics chain has released a 4 years long PAN India analysis from 2012-2015 on key kidney function tests performed at SRL labs. Two key parameters of the analysis included kidney function test namely - Blood Urea Nitrogen (BUN) and Serum Creatinine and Cystatin C. A plethora of systemic disorders like diabetes and cardiovascular problems can lead to progressive deterioration of kidney function and eventually to kidney disease; secondary to these underlying systemic conditions. Chronic Kidney disease (CKD) and Acute Kidney Injury (AKI) as a complication of CKD are