1. An episode classification system including: a. a multitude of diagnosis records, each of said diagnosis records including: i. diagnoses information; ii. time of diagnoses information; and iii. patient information; b. a patient grouper for generating at least one patient group, each patient group generated by grouping patient records having similar patient information; c. a diagnosis grouper for generating at least one diagnosis group from a patient group, each diagnosis group generated by grouping patient records from a patient group that have similar diagnosis information; d. an episode analyzer including: i. a probability analyzer for performing probability calculations, each of said probability calculations capable of generating a probability value using at least two of said multitude of diagnosis records as input entries, said probability value representing the probability that said input entries belong to a single episode; ii. a episode grouper for grouping diagnosis records determined to belong to a single episode; and iii. a severity analyzer for performing episode severity calculations, each of said episode severity calculations capable of generating an episode severity value.