The National Board of Nutrition Support Certification (NBNSC) is an independent credentialing board established in 1984 by the American Society for Parenteral and Enteral Nutrition (ASPEN).

Testing Dates and Fees   


Winter 2018 Dates (International Candidates Only)

Testing Day:  March 24, 2019 (ASPEN19 Conference, Phoenix, AZ)

Application Deadline:  February 15, 2019 


Spring 2019 Dates

First day of the testing period:  April 27, 2019

Last day of the testing period:  May 11, 2019

Application Deadline:  March 30, 2019


Fall 2019 Dates

First day of the testing period:  September 21, 2019

Last day of the testing period:  October 5, 2019

Application Deadline:  August 15, 2019


Candidate Handbook



NBNSC offers computerized testing for all of its certification programs.  Click here  for a link to a computerized testing demonstration.  Over 800 domestic and international sites are available, with candidates selecting preferred testing locations after registering for the exam. NBNSC certification exams will be offered at LaserGrade testing centers. To search for the site nearest you: click here  


NOTE: You will not be able to select a testing center on the PSI site prior to receiving “Examination Scheduling Authorization” for the certification exam from PTC.


 If you will require a special testing location, please refer to the PTC homepage for details. 


Arrangements for Candidates with Special Needs

Special testing arrangements may be made for special needs. Please refer to the PTC homepage for details.


Application fee for the Certification Examination for Nutrition Support Clinicians:

ASPEN Members              $315.00  

Non-ASPEN Members       $415.00

The reduced registration fee for ASPEN members is nontransferable between individuals or within departments/institutions and is available only to those whose dues are paid in full a the time of exam registrations. 

Active members of the Nurses Organization of Veterans Affairs (NOVA) may sit for the Certification Examination for Nutrition Support Clinicians at a rate that is $50 less than the non-ASPEN member rate.  Active NOVA members, at the time of application submission should submit documentation of active NOVA membership with their application.  Active NOVA members who are also ASPEN members may not combine the discounts, only one discounted application fee may be used, either the ASPEN member fee or the discount for NOVA members.