Ionising Radiation (Medical Exposure) Regulations: Implications for clinical practice in radiotherapy
Date: 2026
This second edition of guidance seeks to explain how the requirements of the amended regulations should be interpreted and used in clinical practice. Updates have been made across the document to reflect changes to service provision and developments in technology. Clinical scenarios have been included to enable practical interpretation of the regulations. In addition, professional guidance for the development of training records for clinical oncologists has been incorporated into this guidance.
This guidance has been produced by a working party, which included representatives from:
Institute of Physics and Engineering in Medicine
Medical Exposures Group, UK Health Security Agency
The Royal College of Radiologists
The Society and College of Radiographers
