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Permits to Operate X-Ray Machines, Radiation Therapy Machines, or Administer Radioactive Materials

Radiologist Assistant

Radiologist assistant” mean an advanced-level radiologic technologist who has completed the necessary requirements in order to perform procedures as outlined in ARRT guidance while under supervision of a radiologist.

Radiologic technologist” means an individual, excluding x-ray equipment operators, who performs radiography of the human body as ordered by an individual authorized by Iowa law to order radiography. (Only a “general radiologic technologist” qualities as a radiologist assistant)

General radiologic technologist” performs radiography of any part of the human body.

ARRT” means the American Registry of Radiologic Technologists.


ARRT recognized schools for radiologist assistant can be found at Click on “Educators and Students”, then “Educational Programs”.

Testing Requirements

Proof of a passing score on the ARRT radiologist assistant examination or another examination that is recognized by the department.

Continuing Education Requirements for Radiologist Assistants

Report 50.0 hours of continuing education obtained within the biennium indicated on your permit. At least on-half of the continuing education must be in subject areas specific to radiography. The remainder may be earned as physician credit hours.

  • You must report the hours with your renewal application on the year your CEs are due.
  • CE is due at the time of renewal. Failure to complete the hours will result in an expired permit and you will not be allowed to perform diagnostic radiography procedures.
  • You may submit proof of activities recognized by the ARRT.
  • Activities may be lectures or self-studies. The same lecture may be repeated only once in a biennium. The self-study activity may not be repeated.
  • Acceptable proof of completion must be documentation signed and dated by the CE provider that includes the participant’s name, title of the activity, approval number for the activity, dates of attendance, number of contact hours for the activity, the name of the approving organization, and signature of the sponsor or instructor or authorized representative of the sponsor or instructor.
  • It is your responsibility to make sure that your proof of completion meets the requirements in #6.
  • You must maintain proof of continuing education for at least 3 years.
  • Continuing education obtained to satisfy disciplinary or enforcement action or as part of a corrective action plan may not be reported to meet continuing education requirements.
  • All permit holders are subject to a department audit at any time.