of Diagnosis-Related Groups (DRGs) are: Select one: 0a. A technique for classifying patients on the basis of diagnosis and/or procedure and other variables into a small number of homogeneous groups in order to be able to analyse health centre output. A technique for classifying hospital patients on the basis of diagnosis and/or procedure and other variables into asmall number of homogeneous groups in order to be able to analyse hospital output. A technique for classifying surgical patients on the basis of diagnosis and/or procedure and other variables into a small number of homogeneous groups in order to be able to analyse hospital output. 0 d. A pricing system for hospital patients. Clear my choice