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Toward vocabulary domain specifications for health level 7-coded data elements.

S Bakken1, K E Campbell, J J Cimino

  • 1Columbia University, New York, New York 10032, USA. suh7001@flux.cpmc.columbia.edu

Journal of the American Medical Informatics Association : JAMIA
|July 11, 2000
PubMed
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Health Level 7 (HL7) addressed the "vocabulary problem" by developing principles and processes for HL7 coded data elements. This work aims to improve semantic interoperability for clinical care and research.

Area of Science:

  • Health Informatics
  • Computer Science
  • Medical Terminology

Background:

  • The
  • vocabulary problem
  • hinders effective use of computer-based systems in healthcare.
  • Health Level 7 (HL7) is a set of international standards for the transfer of clinical and administrative data between software applications used by various healthcare providers.

Purpose of the Study:

  • To review activities of the HL7 Vocabulary Technical Committee focused on vocabulary domain specification for HL7 coded data elements.
  • To define vocabulary domain specification and its relationship with the HL7 Reference Information Model.
  • To support semantic interoperability within the HL7 Message Development Framework.

Main Methods:

  • Development of guiding principles for terminology stakeholders.

Related Experiment Videos

  • Conducting a survey of terminology developers.
  • Establishing a process for HL7 terminology registration.
  • Maintaining vocabulary domain specification tables.

    • Main Results:

    • Guidance principles were created for organizations deploying HL7 systems, terminology developers, and integrators.
    • A survey of terminology developers was completed.
    • A formal process for HL7 registration of terminologies was developed.
    • Vocabulary domain specification tables are actively maintained.

    Conclusions:

    • HL7 Vocabulary Technical Committee activities support terminology developers and stakeholders.
    • These efforts are crucial for achieving semantic interoperability in healthcare information exchange.
    • Improved interoperability facilitates direct clinical care, clinical research, and population health management.