Health Level Seven International
Health Level Seven International (pronounced "H-L-seven") is a set of international standards for the transfer of clinical and administrative data between software applications used by various healthcare providers. These standards focus on the application layer, which is "layer 7" in the OSI model. The organization also develops and publishes other standards related to health information (medical) informatics.
Etymology
The name "Health Level Seven" is a reference to the seventh level of the International Organization for Standardization's (ISO) seven-layer communications model for Open Systems Interconnection (OSI) - the application level. The application level interfaces directly to and performs common application services for the application processes. Although other protocols have largely superseded it, the OSI model remains valuable as a place to begin the study of network architecture.
Related Terms
- Electronic Health Record (EHR): An electronic version of a patient's medical history, that is maintained by the provider over time, and may include all of the key administrative clinical data relevant to that persons care under a particular provider.
- Interoperability: The ability of different information systems, devices and applications (systems) to access, exchange, integrate and cooperatively use data in a coordinated manner, within and across organizational, regional and national boundaries.
- Clinical Data: Information that's stored or generated as part of patient care.
- Health Informatics: The interdisciplinary study of the design, development, adoption, and application of IT-based innovations in healthcare services delivery, management, and planning.
See Also
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