The purpose of requiring recertification renewal is to measure continued competent and knowledgeable nutrition support practice.  Nutrition support clinician certification is recognized for a period of five years at which time the candidate must retake and pass the Certification Examination for Nutrition Support Clinicians in order to retain certification. 

Application Process

  1. Download and review the candidate handbook to learn about the certification process, including the policies and procedures for the exam.
  2. International Candidates, please review in full the NBNSC’s Certification Policy and Eligibility Requirements for International Candidates. 
  3. To apply for the exam, submit an application with the appropriate fee and any additional documentation to the Professional Testing Corporation (PTC), NBNSC's testing partner.
  4. Please refer to the PTC Homepage for details if you require a special testing location or special testing arrangements for candidates with special needs.
  5. All requests for receipt of payment for the CNSC exam should be addressed to the Professional Testing Corporation (PTC) at (212) 356-0660 or through the PTC Contact Page