and Certified

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Become a Certified Nutrition Support Clinician® (CNSC®).

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exam content

CNSC Exam Overview

The Certification Examination for Nutrition Support Clinicians is a computer-based examination composed of a maximum of 250 multiple-choice, objective questions with a total allowed testing time of four (4) hours.

The content for the examination is described in the Content Outline included in the Candidate Handbook. The questions for the examination are obtained from individuals with expertise in specialized nutrition support and are reviewed for construction, accuracy, and appropriateness by NBNSC. The NBNSC, with the advice of the Professional Testing Corporation (PTC), prepares the examination. The CNSC® exam is a US-based exam and may relate to practice in the US.

The Certification Examination for Nutrition Support Clinicians will be weighted in approximately the following manner:
  • 32%
    Nutrition Assessment
  • 55%
    Clinical Management
  • 3%
    Process Management
  • 10%
    Professional Practice

application process

Prepare to Take the CNSC Exam

To apply for the exam, submit an application with the appropriate fee to the Professional Testing Corporation (PTC), NBNSC's testing partner. 

The exam policies and content outline are included in the candidate handbook. To access policies and the content outline, download the candidate handbook.

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

All requests for receipt of payment for the CNSC exam should be addressed to the Professional Testing Corporation (PTC) at (212) 356-0660 or the PTC Contact Page.

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