Posted on Leave a comment

Important Announcements Concerning the Dose Index Registry – Please Read If You Use the DIR

The NRDR has announced 3 important changes to the DIR

  1. The DIR is dropping support of Secondary Capture images as a means for cataloging doses and will accept only Radiation Dose Structured Reports (RDSRs) at some point in the near future;
  2. The DIR is retiring the following 3 Operational Reports and will, instead, make this information available in a recently added set of Interactive Reports due for release in July, 2019; and,
  3.  The DIR is hosting a webinar to  review the new Interactive Reports on June 27, 2019.

I have included the NRDR’s email announcing each change at the end of this email.   

Secondary Capture Discussion:

The first email copied below was sent to a facility which is currently using a CT platform which is not sending RDSRs to report doses, but is sending Secondary Capture images instead.  As you will see, the email asks that facilities switch to RDSRs by September 3, 2019.  It adds that scanners which send Secondary Capture Images in addition to RDSRs may continue to send secondary capture images, they just won’t be used. 

If your scanner is natively XR-29 compliant you should (or are able to be) sending RDSRs.  If your scanner is not XR-29 compliant and/or you purchased a third-party solution to achieve XR-29 compliance, you should speak your system’s service engineers and/or your third-party solution support desk as to whether or not you can send RDSRs. 

As the NRDR wrote in its email below, if you have barriers to sending RDSRs (MB: Or if you just have questions) they are happy to work with you.  Simply contact the National Radiology Data Registry support team at for assistance.  I’ve had many occasions to work with the Help Desk and have always found them very professional and helpful. 

Retiring of 3 Operational Reports and the Addition of several Interactive Reports

The second email copied below is the NRDR’s announcement of several reporting changes, specifically the retiring of the following Operational Reports:

  1. Dose Information by Exam;
  2. CTDIvol Over Time; and,
  3. Summary of Data Submitted.

These will be replaced by the following Interactive Reports

  1. CT Standardized Dose Index Reports: Exam Search
  2. CTDIvol Standardized Dose Index Reports: Scatterplot Over Time; and,
  3. CT Summary of Data Submitted.

I’ve used all three Operational Reports as well as their new Interactive Report counterparts and have found the new Interactive Reports superior to their older counterparts.  While change generally requires a learning curve, this learning curve is fairly short and intuitive.  One of the main benefits of the new reports is that they provide much more flexibility to design the report and obtain either overall or the limited data sets you are interested in reviewing on demand – by facility, by scanner, by RPID, by Exam Name, by data, etc.  Give it a try and spend an hour or so testing it out – I think you’ll like it. 

Interactive Report Webinar 

The third email below is the announcement of a webinar to review the new Interactive Report features.  The webinar, titled New DIR CT Interactive Reports Webinar, is scheduled for Jun 27, 2019 1:30 PM EDT.  Click here to register.

————————- NRDR Emails ————————-

Ending of Support for DIR Secondary Capture Email

Dear DIR Participant,

Thank you for your ongoing participation in the American College of Radiology’s (ACR) Dose Index Registry (DIR).  Your participation in the registry not only affects quality improvement at your own facility, but also establishes benchmarks that other facilities use for performance comparison and ultimately to reduce unnecessary patient radiation exposure across all participant sites. 

When we launched the DIR in 2011 few CT scanners were capable of generating Radiation Dose Structured Reports (RDSRs).  Therefore, we accepted exams directly from a RDSR as well as from secondary capture images (without RDSR).  In the years since the registry launch, and with the implementation of the XR-29 standard on CT scanners, most scanners submitting DIR data are now capable of producing RDSRs.  In addition, the secondary capture method has proven to be less effective than RDSR in terms of data quality, information processing time, and resource support requirements.  In response to the industry technology changes, and to the overall limitations of secondary capture, we would like to transition DIR support to RDSR submission only.  Consequently, we are requesting that all sites shift submission of all of their registry data to the RDSR format as soon as possible. 

Your site is one of several identified as sending secondary capture images without RDSRs in the past three months.  As such, we ask that you switch over to RDSR transmission by September 3, 2019.  Though we would prefer to receive the RDSR message exclusively, we can accept an accompanying secondary capture (it will not be processed) in the event your system mandates sending both. 

The continued success of the Dose Index Registry and the resulting improvement in radiological quality is dependent on active participation by sites such as yours.  We realize that making this change may result in modifications to your processes/systems with potential effort required by you.  ACR thanks you in advance for your willingness to consider this change.  If you have barriers to sending the RDSR we will be more than happy to work with you in an attempt to overcome these issues.  Please contact the National Radiology Data Registry support team at for assistance.


Retiring of 3 Operational Reports and Addition of new Interactive Reports Email

Dear DIR User,

 In the beginning of July we will be retiring the following DIR Operational Reports: Dose Information by Exam, CTDIvol Over Time, and Summary of Data Submitted.  The same content in the Operational Report can be found in a corresponding Interactive Report. 

 Operational Report Interactive Report
Dose Information by Exam CT Standardized Dose Index Reports: Exam Search
CTDlvol Over Time CT Standardized Dose Index Reports: Scatterplot Over Time
Summary of Data Submitted CT Summary of Data Submitted

We have implemented Interactive Reports which allows users to query, filter, and navigate through data to identify patterns and gain insights on their data.  During the next few weeks, we encourage you to familiarize yourself with the Interactive Reports.  Included at the end of the email are links to articles outlining the use and content of these Interactive Reports.  We are also available at to answer any questions you may have about the reports.

DIR Interactive Reports

CT Standardized Dose Index Reports: Exam Search

CT Standardized Dose Index Reports: Scatterplot Over Time


Webinar to Discuss New Interactive Reports Email

Dear DIR Participants,

 Please register for New DIR CT Interactive Reports Webinar on Jun 27, 2019 1:30 PM EDT at:  

Our upcoming webinar will focus on the next set of Interactive Reports for the Dose Index Registry due for release in July, 2019. These reports will allow users to quickly identify which exam Short Names are outliers (compared to the entire registry) and drill-down to see both individual exams and long-term data trends. We’ll also cover new reports for downloading data in a format similar to the existing quarterly Excel reports.

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.