What is BI-RADS?


  • The American College of Radiology (ACR) Breast Imaging Reporting and Data System (BI-RADS®) is the product of a collaborative effort between members of various committees of the American College of Radiology with cooperation from the National Cancer Institute, the Centers for Disease Control and Prevention, the Food and Drug Administration, the American Medical Association, the American College of Surgeons, and the College of American Pathologists


BI-RADS on the internet


  • BI-RADS is a quality assurance tool designed to standardize mammography reporting, reduce confusion in breast imaging interpretations, and facilitate outcome monitoring.


  • Key elements: a lexicon of standardized terminology, a reporting organization and assessment structure, a coding system and a data collection structure


  • Results are communicated to the referring physician in a clear fashion with a final assessment that indicates a specific course of action.


  • Results are compiled in a standardized manner that permits the maintenance and collection analysis of demographic, mammographic and outcome data.


  • Through a medical audit and outcome monitoring, the system provides important peer review and quality assurance data to improve the quality of patient care.

Breast Imaging Lexicon
Assessment Categories