Health Level Seven Implementation Support Guide for HL7 Standard Version 2.3.1

This support guide provides the methodologies and strategies for successful implementation of the Version 2.x standard. It includes a planning methodology, design and implementation methodology, overview of HL7 Versions 2.2 and 2.3, HL7 transaction checklist, HL7 message diagrams, lower layer protocols, helpful hints, case studies, sample templates (RFI/RFP/contract points) and frequently asked questions.

Main sections:

· Planning and organisation

· Business strategy/performance measures

· Information needs and application requirements

· Technical architecture

· Organisation strategy

· Migration strategy

· Cost/benefit analysis

· Vendor evaluation and selection

· Interface development

· Functional design

· Technical design

· Program development

· Implementation

· Production cutover

· Benefits realisation

· Version 2.2 questions and answers

· Summary by chapter of changes from version 2.1 to 2.2

· Version 2.3 questions and answers

· Summary by chapter of changes from version 2.2 to 2.3

· Summary by chapter of changes from version from v2.3

· Appendix A: HL7 transaction checklist

· Appendix B: HL7 segment and events checklist

· Appendix C: Lower layer protocols

· Appendix D: Helpful hints

· Appendix E: Sample case studies

· Appendix F: Sample templates

· Appendix G: HL7 FAQ

· Appendix H: LOINC user’s guide