Clinical Decision Support Registry (CDSR)

The CDS Registry (CDSR) provides facilities with access to their image-ordering clinical decision support data that correspond to imaging Choosing Wisely recommendations, CMS Priority Clinical Areas, and several other imaging areas.

The CDSR interactive report can identify imaging exam ordering patterns for some of the most commonly ordered exams to pinpoint areas where best practices are being followed as well as areas in need of improvement.

How to Participate

  • Currently, participation is available for facilities that have CareSelect Imaging provided by the National Clinical Decision Support Company (NDSC). Interested facilities must complete an NDSC data transfer authorization (DTA) form. Contact the help desk to request the DTA form.
  • CDS Registry participation is currently available at no cost during the measure and benchmark report development period. The development period and fee waiver is planned to extend throughout 2021.
  • Already a participant in NRDR? Add CDSR to your facility registration
NRDR Portal Login

Need assistance?                                    Visit NRDR Support  to view the Knowledge Base user guide or place a help ticket

Have an urgent issue?                            Call us: 1-800-227-5463, ext. 3535

R-SCAN Quality Improvement Program

The CDSR facilitates the implementation of an R-SCAN quality improvement project -- a mechanism for radiologists and referring clinicians to collaborate on improving the ordering of imaging exams that adds value to patient care.

Read more about the benefits of conducting an R-SCAN QI Project »

Contact us at to start your R-SCAN project.

Core Documents

Related Resources

Clinical Decision Support


Learn about the requirement that referring providers consult appropriate use criteria prior to ordering advanced diagnostic imaging services for Medicare patients.

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The Radiology Support, Communication and Alignment Network (R-SCAN) delivers immediate access to web-based tools and CDS technology that help you optimize imaging care, reduce unnecessary exams and lower the cost of care

Find Out How