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Introduction to HL7 Version 3

Introduction to HL7 Version 3. Ku-Yaw Chang canseco@mail.dyu.edu.tw Assistant Professor, Department of Computer Science and Information Engineering Da-Yeh University. What Is HL7?. The HL7 organization was founded in 1987

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Introduction to HL7 Version 3

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  1. Introduction to HL7 Version 3 Ku-Yaw Chang canseco@mail.dyu.edu.tw Assistant Professor, Department of Computer Science and Information Engineering Da-Yeh University

  2. What Is HL7? • The HL7 organization was founded in 1987 • In June 1994 HL7 was designated as an ANSI accredited standards development organization (SDO)

  3. HL7 Mission Statement • To provide standards for the exchange, management and integration of data that supports clinical patient care and the management, delivery and evaluation of healthcare services. • ... the complete ‘life cycle’ of a standards specification -- development, adoption, market recognition, utilization and adherence.

  4. HL7 Standard Versions • 2.0 (1988) • 2.1 (1990) • 2.2 (1994) • 2.3 (1997) • 2.3.1 (1999) • 2.4 (2002) • 2.5 (2003) • 3.0 (2004) in draft

  5. A domain-specific, common protocol for the exchange of health care information. Function Communication What does “HL7” stand for? HL7 7 Application 6 Presentation 5 Session 4 Transport 3 Network 2 Data Link 1 Physical ISO-OSI Communication Architecture Model

  6. IBM Benefits of V3 to Providers • Facilitates integration of heterogeneous systems Deals with complexity of the HC environment: • Increases choices of innovativebest-of-breed solutions • Provides support for legacy systems • Allows reliable verification ofvendors’ conformance claims

  7. Benefits of V3 to Vendors • Provides improved protocol for interconnecting heterogeneous systems • Reduces installation effort • reduces site-specific negotiations • simplifies interface programming • Promotes vendor specialization by allowing segmentation of product lines into niche market spaces

  8. Dispense Medications Manage Care Perform Lab Tests Review Utilization Encounter Account Provider Patient Order HAL HL7 message HL7 message Finance ADT Pharmacy HL7 Modeling Abstractions: Activities(Use Case Model) Objects (Information Model) Communication (Interaction and Message Models)

  9. HIPPA • Health Insurance Portability and Accountability Act, 1996

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