Kidney function tests, also known as renal function tests or KFT tests, are blood tests done to determine renal health and assess kidney functions. It is recommended to evaluate kidney functioning in the normal individual as screening test. The doctor recommends a Kidney function test (KFT) as part of a routine check-up to diagnose any disease affecting the kidneys, monitor the treatment efficacy of kidney disease, and detect patients at risk of any renal disease, Conditions harming the kidneys like diabetes and hypertension, to detect and evaluate chronic renal disease