Continued Evolution of Clinical Decision Support Tools for Guiding Imaging Utilization

      We thank Drs. Yucel and Bettman for their interest in our article and for the further commentary regarding the American College of Radiology (ACR) Appropriateness Criteria (AC) that they provide in their letter. These authors have been instrumental in the development of the ACR AC and are well positioned to provide these additional insights regarding the background, development, and current status of the ACR AC. We anticipate that readers interested in our original article will also find interest in this additional perspective that has been provided for the ACR AC. We agree with Drs. Yucel and Bettman regarding the importance of providing evidence-based clinical decision support to guide appropriate imaging utilization for specific clinical scenarios. Additionally, we appreciate the enormous time and resources devoted by the ACR and its many volunteers in development of the AC, as described by the authors.
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      2. National Decision Support Company. News. Accessed November 6, 2014.

      3. United States Government Printing Office. H.R. 4302: Protecting Access to Medicare Act of 2014. Accessed April 7, 2014.