Implementation FAQ:Migration from version 2

This page contains questions related to the migration of HL7 version 2 to version 3, mostly from a non-technical perspective.

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Questions

Selling point for V3

Question: What is the real value of the reference model in V3 – what is the life of the system –this can be a long time for strategic programs. These need to be future-proofed.

• Two documents from the Marketing Committee's document page that discuss the rationale for using HL7 version 3:
  • Draft HL7 v3 Value Proposition Document
  • Canada Infoway v3 Infosheet

Question: I have a running system using V2, how do I justify moving to V3, especially as V2 just keeps getting better.

• The justification of v3 lies in those areas that v2 doesn't cover (e.g. inter-organizational communications, CDA, clinical genomics).