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Towards International Alignment

Towards International Alignment. Introduction to the Canadian Health Data Model and potential contribution to HL7 Harmonization processes. RIM Basics RIM Privileges Harmonization Process Facilitator Responsibilities International Committee Responsibilities RIM Influence Strategies

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Towards International Alignment

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  1. Towards International Alignment Introduction to the Canadian Health Data Model and potential contribution to HL7 Harmonization processes

  2. RIM Basics • RIM Privileges • Harmonization Process • Facilitator Responsibilities • International Committee Responsibilities • RIM Influence Strategies • Model Alignment • Common Concept Model • Canadian Health Data Model

  3. RIM Basics Reference Information Model (RIM) Domain Information Model Pink Steward Blue Steward 2. Technical Committee A Technical Committee B

  4. RIM Privileges • Stewardship • Submit Changes • Attend Harmonization • Vote on Changes

  5. International Committee RIM Privileges • Stewardship • Submit Changes • Attend Harmonization • Vote on Changes (see M&M Minutes Sept. ‘98)

  6. Harmonization Process 1. Document Proposed Changes 2. Discuss with Steward(s) 3. Post Changes on Website 4. Present Changes in Meeting 5. Vote on Changes 6. Refresh RIM with HL7 tooling 7. Technical Corrections 8 Post new RIM Version on Website

  7. Facilitator Responsibilities • Coordinate Documentation and Justification • Facilitate Discussions with Stewards • Format RIM Change Proposals • Submit for Posting • Facilitate Pre-Meeting Discussions • Represent Proposal during Harmonization • Assist Stewards with Technical QA

  8. International Committee Responsibilities for RIM • Determine Information Needs • Prioritize Information Needs • Determine Influence Strategy • Provide Domain Expertise for Content & Justification • Recommend Specific RIM Changes • Follow Version 3 Methodology for New Messages

  9. RIM Influence Strategies • Join a HL7 TC and influence changes by persuading the collective members of the TC and being present for all decisions • Propose specific RIM changes to the harmonization process • Align external models to the RIM for general information and raising awareness of different perspectives

  10. Model Alignment • Each model represents a congruent whole - i.e. is internally consistent • Different organizations or jurisdictions have different perspectives and can have different models to represent their interests • Models can be aligned in 3 dimensions: • Vertically - From less detail to more detail • Horizontally - Across Jurisdictions (Perspectives) • Over Time - Multiple Versions

  11. Where When What Who Why How Contextual Conceptual Logical Design Physical Design Physical Objects Deployed Objects Scoping Shared Understanding Specification Solution Construction Implementation

  12. Common Concept Model • Represents the key concepts that must be commonly understood to share meaning • Provides a foundation structure for more detailed models or models representing • different perspectives • Provides an aid to aligning models via cross-references • Has insufficient detail to construct messages or • build information systems

  13. Canadian Health Data Model • Background • Objectives • Development Process • What does it look like • Significant Patterns • Proposal

  14. Background • Canada has another “standards process “ - • CIHI Partnership for Informatics and Telematics • Partnership WG1 developed a Health Information Framework (1997) to describe the scope of information of interest to the entire health system (with an emphasis on population health) • Data Model Project struck to identify primary data needed to meet Health Information Framework requirements

  15. Objectives • Comprehensive • To reflect current knowledge and practice across jurisdictions. • Flexible • To provide a basis for integration of data across jurisdictions. • Durable • To be resilient to change. • Universal • Relevant to all jurisdictions in Canada and beyond

  16. Development Process • Working Group Representing multiple perspectives and jurisdictions • Examined various models available • Chose HL7 RIM as staring point • Examined fit to Health Information Framework requirements • Synthesized extensions from various models • Tested against Scenarios • Used Scenarios to develop extensions where information requirements weren’t met • Abstracted/refined until reached congruence • Tested against Scenarios and other perspectives

  17. Significant Patterns 1) events affect the state of their respective classes 2) event linkage 3) governance constrains events and 4) governance events monitor the state of everything

  18. Proposal Accepted • Accepted the concept of a common conceptual model • International Committee to work to synthesize common conceptual model (CCM) • Canadian Health Data Model work in progress considered along with other jurisdiction’s models • Map the RIM to the CCM • Participate in a process to cross-reference to other models

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