Diagnostic Imaging Common Service Standard (DI CS)

This initiative will enhance the delivery of patient care in Ontario by building on the success of regional diagnostic imaging repositories. It will provide comprehensive secure access to a patient’s provincial longitudinal DI record from anywhere and at any time, as well as consistent displays of information to clinicians at point-of-service. The DI common service standard will be used by system implementers to support the sharing of DI reports and images.

Key benefits include: consistent data exchange format across the regional diagnostic imaging repositories, easier access for retrieval of reports and images for viewing, and standardized naming of diagnostic imaging procedures for consistent naming of DI procedures provincially.


The diagnostic imaging initiative will enable and support sharing and viewing of diagnostic imaging results across Ontario to all hospital and community-based health care providers anytime, anywhere, using the tools best suited to their work practices. Currently it offers clinicians the ability to view reports through eHealth Ontario’s ONE® Portal. This will be followed by the provincial DI viewer, the three regional integration portals, electronic medical record devices and individual organizations’ picture archiving and communications systems.

The diagnostic imaging common service standard includes the following;

  • diagnostic imaging implementation guide
  • local to provincial mapping guidelines
  • sample terminology map
  • vocabulary worksheet 
  • terminology set and guidelines

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  • August 26, 2015

    Available to download

  • July 16, 2015

    EHR Architecture and Standards Strategic Committee approved the standard

  • April 30, 2015 - May 22, 2015

    Open Review

  • May 06, 2015 - May 07, 2015

    One-hour webinar

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