This study aims to highlight through the interdisciplinary perspective of Economics, Politics, Law and Socio-anthropology, the concept of access, particularly related to health care. We do not only consider the concept and redefinition of supply, demand, equity and health needs by arising from these disciplines, but also consider access regardless of public or private sector more than a question of supply; it must initially glimpse "invisible needs", in case we internalize the idea that the health-disease process does not include other determinants to be understood. Through literature review on national and international texts over the past five decades, we identified studies on the diversity of looks in relation to the object of study. According to different paradigms in a historical and contextual perspective, it was evidenced that understanding and realization of access to health care require interdisciplinary approaches; this endorses the State as provider of policies and organized actions that change health status and quality of life of the subject.
access; health services; interdisciplinary; concept formation