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Introduction to the ACR (Revised 11-9-2022)

Revision History

The American College of Radiology (ACR) was founded in 1924 with the core purpose of serving patients and society by empowering members to advance the practice, science and professions of radiological care. The College is a membership organization representing more than 38,000 diagnostic radiologists, nuclear medicine physicians, radiation oncologists, interventional radiologists and medical physicists. The ACR operates with the core values of: 

  • Leadership

  • Integrity

  • Quality

  • Innovation

A fundamental component of the ACR’s mission is the Accreditation program. Since 1987, the ACR has accredited more than 38,000 facilities in 9 imaging modalities. To learn more, please see our related article What is ACR Accreditation?

Revision History for this Article



Description of Revision(s)



Article created; FAQs incorporated; No criteria changes

11-9-2022AllChanged 10 modalities to 9 to reflect MR/Breast MR merge

Next: What is ACR Accreditation?

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