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  • Informatics
  • RadLex Playbook and the LOINC/RSNA Radiology Playbook

  • Many radiology facilities have used idiosyncratic codes and names for radiology exams, leading to limited exam interoperability. A special portion of the RadLex ontology is the RadLex Playbook, a standard system for naming radiology procedures based on the elements which define an imaging exam (such as modality and body part). RadLex Playbook is intended to facilitate a variety of operational and quality improvement efforts, including workflow optimization, chargemaster management, radiation dose tracking, enterprise integration and image exchange. Each RadLex Playbook exam is identified with a unique numerical code (Radlex Playbook identifier, or RPID) and described with a set of procedure names of varying length and “readability” for use in different applications. Work to harmonize RadLex Playbook with the LOINC system has been funded by the National Institute of Biomedical Imaging and Bioengineering (NIBIB) and the Department of Defense (DoD).  This work is nearing completion, resulting in the LOINC/RSNA Radiology Playbook which builds on RadLex Playbook content, and continues to use RadLex terms to describe imaging exams.


    A graphical search interface for users to be able to preview this project, available here.


    • Promotes interoperability of imaging exams
    • Facilitates quality improvement
    • Enables enterprise integration and data registry participation


    How does a healthcare facility utilize RadLex Playbook and the LOINC/RSNA Radiology Playbook?
    The task of implementing standard codes and procedure names in departmental systems will vary depending on local configurations and practice needs, but is generally a process which is likely to require collaboration between clinical leaders, vendors, and IT staff or consultants with knowledge of system capabilities. You can browse RadLex Playbook by using the term browser. Also on the site is a free, downloadable version of RadLex Playbook in spreadsheet format as well as a User Guide, licensing terms and other information resources. Also see the LOINC site for the RSNA/LOINC Radiology Playbook.

    In what languages is RadLex Playbook available?
    RadLex Playbook is currently available only in English.

    What is the current status of RadLex Playbook?
    RadLex Playbook has been incorporated into Epic’s Radiant radiology information system. RadLex Playbook is included in the foundation system, an Epic environment which provides customers up-to-date features and content.

    Who can I contact regarding questions about Playbook?
    Please visit the RadLex Discussion Forum to post any comments or questions.