Watch a short video introduction to CDR below:
The Commission on Dietetic Registration administers rigorous valid and reliable credentialing processes to protect the public and meet the needs of CDR credentialed practitioners, employers and consumers.
Nutrition and dietetics credentialing protects and improves the health of the public and supports practitioner competence, quality practice, lifelong learning and career advancement.
The Commission on Dietetic Registration (CDR) has sole and independent authority in all matters pertaining to certification, including but not limited to standard setting, establishment of fees, finances and administration.
Bylaws - Academy of Nutrition and DieteticsPolicies of the Academy of Nutrition and Dietetics cover a variety of topics related to the operation of the Academy and are determined by the Board of Directors. Learn More
Credential practitioners, RDNs*, RDs*, NDTRs**, and DTRs**, elect Commission memebers for three-year terms. Learn more
The purpose of the Commission, as the credentialing agency and organization unit of the Academy, is to serve the public by establishing and enforcing standards for certification, recertification and the Code of Ethics and by issuing credentials to individuals who meet these standards.
The Commission's RDN*, RD*, NDTR**, DTR**, CSR, CSP, CSG, CSO and CSSD certification programs are fully accredited by the National Commission for Certifying Agencies (NCCA), the accrediting arm of the Institute for Credentialing Excellence based in Washington, D.C. This accreditation reflects achievement of the highest standards of professional credentialing.
Setting the Standard Since 1969
CDR Funding Initiatives
CDR has a long history of funding initiatives that promote its public protection mission and CDR credentialed practitioners. Recent CDR funded initiatives. Learn more
Registered Dietitian Nutritionist (RDN™) or Registered Dietitian (RD™)*
Nutrition and Dietetics Technician, Registered (NDTR™) or Dietetic Technician, Registered (DTR™)**
Board Certified Specialist in Renal Nutrition (CSR)
Board Certified Specialist in Pediatric Nutrition (CSP)
Board Certified Specialist in Sports Dietetics (CSSD)
Board Certified Specialist in Gerontological Nutrition (CSG)
Board Certified Specialist in Oncology Nutrition (CSO)
Board Certified Specialist in Obesity and Weight Management (CSOWM)
Advanced Practice Certification in Clinical Nutrition (RDN-AP or RD-AP)***.
Registry statistics for RDNs, NDTRs, Specialist Certification and Advanced Practice Certification
Academy of Nutrition and Dietetics: Scope of Practice
The Academy Quality Management Committee and Scope of Practice Subcommittee of the Quality Management Committee
The following Scope of Practice and Standards of Practice documents are available at links below.
This article has been approved for Continuing Professional Education credit.
Dietetic Technician, Registered
This article has been approved for Continuing Professional Education
Focus Area Standards for CDR Specialist Credentials
Renal Nutrition (Nephrology Nutrition)
Sports Nutrition and Dietetics
Gerontological Nutrition (Extended Care)
The Commission on Dietetic Registration, the credentialing agency for the Academy of Nutrition and Dietetics, does not discriminate because of race, creed, religion color, sex, marital status, national origin, or ancestry.
You can contact CDR at 312-899-0040 Ext. 5500 or e-mail email@example.com
*Please note the RDN and RD are two credential designation options for one certification program. Practitioners may choose to use one or the other. For more information, click here.
**Please note the NDTR and DTR are two credential designation options for one certification program. Practitioners may choose to use one or the other. For more information, click here.
***Please note the RDN-AP and RD-AP are two credential designation options for one certification program. Practitioners may choose to use one or the other. For more information, click here.