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What is ACR?

The American College of Radiology (ACR®) empowers more than 41,000 diagnostic and interventional radiologists, radiation oncologists, nuclear medicine physicians and medical physicists to deliver exceptional patient care through advocacy, quality and safety, and innovation.

Driven by its core values of leadership, integrity, visionary, excellence and transparency, the member-driven ACR develops medical imaging practice parameters and technical standards, appropriate use criteria, and accreditation programs as part of its commitment to quality patient care. The ACR sets the standards for the profession's delivery of high-quality imaging and therapeutic care.

For further information, visit acr,org,,, and

This page was reviewed on April 01, 2024

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Please note is not a medical facility. Please contact your physician with specific medical questions or for a referral to a radiologist or other physician. To locate a medical imaging or radiation oncology provider in your community, you can search the ACR-accredited facilities database.

This website does not provide cost information. The costs for specific medical imaging tests, treatments and procedures may vary by geographic region. Discuss the fees associated with your prescribed procedure with your doctor, the medical facility staff and/or your insurance provider to get a better understanding of the possible charges you will incur.

Web page review process: This Web page is reviewed regularly by a physician with expertise in the medical area presented and is further reviewed by committees from the Radiological Society of North America (RSNA) and the American College of Radiology (ACR), comprising physicians with expertise in several radiologic areas.

Outside links: For the convenience of our users, provides links to relevant websites., RSNA and ACR are not responsible for the content contained on the web pages found at these links.