creatinine clearance creatinine clearance to total kidney weight ratio 2014-01-24T16:23:37Z A calculated measurement in which the value for the creatinine clearance is divided by the total weight of both kidneys (the paired organ which functions to maintain proper water and electrolyte balance, regulate acid-base concentration, and filter the blood of metabolic wastes) and the result presented as a ratio, fraction, quotient or percentage. CMO:0002070 JSmith VT:0002847 clinical_measurement_ontology