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HL7--more than a communications standard.

W Ed Hammond1

  • 1Duke University Medical Center, Durham, North Carolina, USA.

Studies in Health Technology and Informatics
|April 6, 2004
PubMed
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Health Level Seven (HL7) has expanded from hospital data exchange to encompass all clinical settings. Its evolution includes diverse standards for electronic health records and data interoperability, driven by domain experts and common solutions.

Area of Science:

  • Health Informatics
  • Information Technology in Healthcare
  • Standards Development Organizations

Background:

  • Health Level Seven (HL7) originated as a standards developer for hospital data interchange.
  • HL7 has grown into an accredited American National Standards Organization with global participation.
  • The organization's scope has significantly broadened over time.

Purpose of the Study:

  • To discuss the factors contributing to the diverse activities within HL7.
  • To highlight the evolution of HL7 standards and their expanding scope.
  • To explain HL7's role as a collaborative platform for health data standards.

Main Methods:

  • Analysis of HL7's historical development and organizational structure.
  • Review of HL7's expanding standards portfolio.

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  • Examination of HL7's role as a convergence point for application-oriented groups.

    • Main Results:

    • HL7 now covers clinical data interchange across all settings.
    • The scope includes reference information models, data types, decision support, clinical documents, terminology, security, XML, and EHR standards.
    • HL7 serves as a hub for domain experts utilizing common solutions for various health data standardization needs.

    Conclusions:

    • HL7's adaptability and inclusive structure have fostered its expansion and diverse applications.
    • The organization's evolution reflects the growing need for comprehensive health data interoperability.
    • HL7's success is attributed to its ability to attract domain experts and facilitate shared solutions.