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What is Certification


  • Certification granted by the RNCB is pursuant to a voluntary procedure intended solely to test for special knowledge.
  • The RNCB does not purport to license, to confer a right or privilege upon, nor otherwise to define qualifications of any person for nursing practices.
  • The significance of certification is determined by appropriate institutions and appropriate state boards of nursing or institutions in order to determine practice implications.

Guidelines for Certification &

Initial certification is valid for 4 years. Certified Radiology Nurses may maintain their certified status either by examination or by meeting the continuing education requirements outlined in this booklet.

Frequently Asked Questions

Handbook for Certification/Recertification

Certification/Re-certification Application

CRN-Retired Credential Application

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CRN® Exam Dates

Beginning in October 2018 the Certified Radiology Nurse Exam will be a computer-based exam. Once an application is approved and processed the applicant will be provided with the options for testing centers and the date during the entire month of October in 2018. In 2019 the exam will be administered during the months of April and September.



October 2018

Application Due August 24, 2018
Application with late fee September 7, 2018

April 2019

Application Due February 4, 2019
Application with late fee:  February 18, 2018

September 2019

Application Due July 8, 2019
Application with late fee:  July 22, 2019


Click here for CRN Exam Test Cities

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 For more information on the available international testing sites, contact the RNCB National Office at 850-473-1174 or email at

Contact Us

Association for Radiologic & Imaging Nursing


Members of the Association for Radiologic & Imaging Nursing (ARIN) receive a discount to sit for the CRN Exam.