Nephrology is the study of the renal system. A nephrologist is responsible for the diagnosis and treatment of disorders of the kidney such as kidney stones, chronic kidney disease, dialysis, renal failure, electrolyte imbalance, renal cancer etc. Additionally Nephrologists also treat uncontrolled hypertension, renal function abnormalities due to autoimmune diseases. Nephrologists treat all post-renal transplant patients also.