MITA Publishes NEMA XR 28 Standard to Optimize Radiation Dose


XR 28 Institutes Supplemental Requirements for User Information and System Function Related to Dose in CT

Washington, D.C. – The Medical Imaging & Technology Alliance (MITA) today announced the publication of its fourth standard to optimize radiation dose exposure since 2010, the NEMA XR 28 Supplemental Requirements for User Information and System Function Related to Dose in computed tomography (CT). The standard requires that all CT equipment include information on how operators can optimize and reduce radiation levels when performing CT studies.

“The medical imaging industry is taking innovative strides to reduce radiation dose exposure and maximize image quality with the introduction of each dose optimization standard,” said Gail Rodriguez, executive director of MITA. “The XR 28 standard ensures that authorized CT operators have all the information necessary to maintain image quality and adjust dose levels appropriately, based on patients’ individual needs, when changing or performing CT protocols.”

XR 28 will heighten healthcare providers’ awareness and strengthen their understanding of a patient’s radiation exposure in real time. This information will be invaluable in empowering providers to develop and improve protocols that will ensure delivery of the right dose to the right patient at the right time.

In October 2012, MITA published another standard, NEMA’s XR 26 Access Controls for Computer Tomography: Identification, Interlocks, and Logs, which standardized access controls to ensure that only an authorized user could access the technology.

Following, in March 2013, MITA announced the approval of NEMA’s XR 29 Attributes on Computed Tomography (CT) Equipment Related to Dose Optimization and Management.  XR 29, also known as MITA Smart Dose, includes four key dose optimization features of CT equipment that promote patient safety and encourage radiology facilities to adopt equipment safety standards and imaging best practices.

“MITA is pleased to collaborate with our imaging community partners, such as the American Association of Physicists in Medicine (AAPM), the Food and Drug Administration (FDA), Image Gently and Image Wisely to develop and publish this important dose safeguard, adding to an already robust set of safety standards,” said Rodriguez.


The Medical Imaging & Technology Alliance (MITA), a division of NEMA, is the collective voice of medical imaging equipment, radiation therapy and radiopharmaceutical manufacturers, innovators and product developers. It represents companies whose sales comprise more than 90 percent of the global market for medical imaging technology and radiation therapy. For more information, visit Follow MITA on Twitter @MITAToday.