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CHAP TE R 5 5.1 INTRODUCTION Standards are generally required when excessive diversity creates inefficiencies or impedes ef- fectiveness. Such a case exists in the electronic healthcare environment. In healthcare, standards are needed for encoding data about the patient that are collected by one system and used by another. One obvious need is the development of standardized identifiers for individuals, health- care providers, health plans, and employers so that such individuals can be recognized across systems. Because of the diversity of patient data creation and storage points and the variety of medical IT-based equipment, healthcare is one area that can ultimately greatly benefit from implementation of standards [1]. Patients receive care across primary, secondary, and tertiary care settings with little bidi- rectional communication and coordination among the services. Patients are cared for by one or more primary physicians as well as by specialists. There is little coordination and sharing of data between inpatient and outpatient care. Within the inpatient setting, the clinical environment is divided into clinical specialties that frequently treat the patient without regard to what other specialties have done [1]. The lack of “standards” for electronic coding of medical data has been a major obstacle to establishing
Published: Jan 1, 2006
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