The EPIC project - which belongs to the AIM programme of the European Community - focuses on the development of a prototype of the European integrated care system. The approach adopted in the development of the data and functional analysis for EPIC is presented here. EPIC aims to the technical and logistic organitation of a service for ambulatory and home "intelligence" monitoring. The system based on a computerized database, involves GPs, remote medical strucstures, volunteers or nurses , patients and their relatives. Entity Relation diagrams and Data Flow diagrams have been developed according to a conceptual schema indipendent of data base management system, starting form the requirement specifications. The conceptual scheme adopted is the result of merging conceptual schemes developed in several sites placed in different european countries in order yo obtain a basis for a european prototype for integrated care