ARRT Centennial graphic

ARRT Celebrates Its Centennial Anniversary

In November, ARRT will mark 100 years of recognizing R.T.s—and we hope you’ll join in. Watch for an opportunity to be part of our social media campaign and other ways to join the celebration!

Welcome to ARRT

The American Registry of Radiologic Technologists (ARRT) is a leading credentialing organization that recognizes qualified individuals in medical imaging, interventional procedures, and radiation therapy. We offer certification and registration in a wide range of disciplines, helping people who work in medical imaging and radiation therapy to develop their careers. With more than 330,000 registrants, we promote high standards of patient care with each new credential we award.


Visit our government affairs section to learn about work we're doing to promote patient safety and protect the value of your profession.


Visit our educator resources page to review and download ARRT information that can help with your classroom instruction.


We’re always looking for additional volunteers from the profession to help develop our exams and assessments. 


Visit our news feed to learn about updates at ARRT and in the profession.