The ACR Appropriateness Criteria^® are evidence-based guidelines to assist referring physicians and other providers in making the most appropriate imaging or treatment decision for a specific clinical condition. Employing these guidelines helps providers enhance quality of care and contribute to the most efficacious use of radiology.

February 2013 update: The ACR Appropriateness Criteria cover 186 topics with over 900 variants. Expert panels in diagnostic imaging, interventional radiology and radiation oncology develop the guidelines. Please see the sections below for additional details.