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This section offers a high level account of implementation of SNOMED CT in existing EHR systems.

The main questions to be addressed by a Vendor are:

  • What is the target configuration for the particular EHR where SNOMED CT will be used?
  • Should the target configuration be achieved in just one stage or in a sequence of stages, and if so what are the stages?
  • Should SNOMED CT content be held alongside other system reference data or separately?
  • Should SNOMED CT implementation be done natively within the EHR system or through integration with a third-party provider of terminology services?


While the last approach (approach 10) could be considered as a possible target configuration, for most EHR products a staged journey towards a more comprehensive design is most appropriate.