Abstract: Provided is a medical information management system including: a standardized storage that stores, in a single format, a plurality of pieces of electronic patient record information that is stored in a plurality of electronic patient record servers storing the plurality of pieces of electronic patient record information in different formats; a definition information generator that generates definition information that defines a combination of search keys for retrieving a piece of electronic patient record information on a specific case from among the plurality of pieces of electronic patient record information; a potential case retriever that acquires, based on the definition information, a piece of electronic patient record information on the specific case; and a test value information extractor that extracts test value information, which is clinical information of a patient associated with the specific case from the piece of electronic patient record information acquired by the potential case retriever.