A hospital information system (HIS) is a comprehensive, integrated information system designed to manage the administrative and clinical aspects of a hospital. This encompasses paper-based information processing as well as data processing machines.

As an area of medical informatics the aim of an HIS is to achieve the best possible support of patient care and administration by electronic data processing.

It can be composed of one or few software components with specialty specific extensions as well as of a large variety of sub-systems in medical specialties (e.g. Laboratory Information System, Radiology Information System).

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