Health Level Seven Implementation Support Guide
for HL7 Standard Version 2.3

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

· HL7 Version 2.2 overview

· HL7 Version 2.3 overview

· Appendix A: HL7 transaction checklist

· Appendix B: HL7 segment and events checklist

· Appendix C: Lower layer protocol

· Appendix D: Helpful hints

· Appendix E: Sample case studies

· Appendix F: Sample templates

· Appendix G: HL7 FAQ

· Appendix H: Logical observation identifier names and codes (LOINC) users' guide