Subspecialties for Interventional Radiology

Requirements and Registration

Last verified on April 29, 2021


Diplomates must successfully complete one year of fellowship training (after residency) in a neuroradiology program accredited by the ACGME or by the RCPSC (Canada). They must also complete one year of practice or additional approved training, with at least one-third of that year spent in neuroradiology. Diplomates who successfully completed their training before 2019 will have 10 calendar years or until December 31, 2024, whichever comes first, to obtain certification. Those who complete their training in 2019 or later will have six calendar years.
  • Fellowship position must be ACGME-accredited.
  • Fellowship training must be documented by letter from the program director.
  • Practice experience must be verified by letter from the chief of service or department chairman.
  • Evidence of a current state medical license with an expiration date must be provided.
  • Before submitting a subspecialty registration, any outstanding ABR fees must be paid in full.

Leaves of Absence

Leaves of absence and vacation may be granted to fellows at the discretion of the program director in accordance with local rules. Depending on the length of absence granted by the program, the required period of graduate medical education may be extended accordingly. Fellowship program directors and their institutional GME offices determine the need for extension of fellowship training. Therefore, it is not up to the ABR to determine graduation dates for individual residents.

Alternate Pathway to Subspecialty Certification

To view the alternate pathway, click here.


The standard registration window for the Neuroradiology Subspecialty Exam is February 1 through May 31. The application form is available here.

Recognition and MOC


Recognition of Successful Diplomates

Successful ABR Diplomates are awarded a continuous ABR subspecialty certificate in neuroradiology.

Maintenance of Certification

Continuous subspecialty certification in neuroradiology is contingent upon meeting the requirements of the ABR’s Maintenance of Certification (MOC) program. For MOC program details, please see the MOC page.