This guide focuses on the selection of messaging standards to support the in scope use cases. Due to differences in business requirements, the standards evaluation is broken into two sets of standardization requirements:
- Consumer messaging
- Source messaging
Consumer messaging
The A primary role of the PRS system PR is to enable provider identification to within consumer systems contributing data to or consuming data from provincial EHR solutions. The predominant means for exchanging data with the EHR is HL7 version 3 messaging.
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Standard | Fit for Purpose | Stewardship | Quality | |||||
Fits | Implementation | Vendor Support | Canadian | SDO | Complexity | Standard | Training, Support and Tooling | |
PRS XML Messaging | Production | Yes | No |
| High | |||
| AB MR2009 (HL7 v3) | Production in Canada | Yes (AB) | Localized | High | ||||
pan-Canadian MR2009 (HL7 v3) | Production in Canada | Yes | Localized | High | ||||
Architectural Constraints and Considerations | Secondary Benefits | |||||||
PRS source systems are not typically EHR consumer systems. HL7v3 messaging does not provide the means to transmit a the history of changes to a provider records. (UC-6) The PRS XML Messaging specification is proprietary to the WHIC PRS solution. |
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| Recommendation | Supporting Rationale | |||||||
| PRS XML Messaging | The PRS XML specification was designed to meet the in-scope use cases for PRS sourcessource systems. Although the specification is proprietary to the specific PRS solution used in Alberta it is relatively straightforward to implement. | |||||||