Sources
Priority: P0 official exam authority → P1 government/regulator → P2 professional organisation → P3 academic → P4 reputable secondary. Competitor prep sites are never used as a source of truth.
| Source | Publisher | Type | Retrieved | Verified | Re-check every | Status |
|---|---|---|---|---|---|---|
| Registered Dietitian Examination Test Specifications, January 1 2022 – December 31 2026 Four domains: Principles of Dietetics 21%, Nutrition Care for Individuals and Groups 45%, Management of Food and Nutrition Programs and Services 21%, Foodservice Systems 13%. Approved by CDR 2020-09-14. | Commission on Dietetic Registration (CDR) | primary | 2026-09-22 | 2026-09-22 | 60d | active |
| Registered Dietitian Examination Test Specifications and Study Outline, January 1 2027 – December 31 2031 Approved by CDR 2025-06-25. Four domains: Fundamentals of Dietetics Practice 23%, Community and Public Health Nutrition 22%, Human Nutrition and Medical Nutrition Therapy 40%, Food Science and Food Systems 15%. | Commission on Dietetic Registration (CDR) | primary | 2026-09-22 | 2026-09-22 | 60d | active |
| Handbook for Candidates — Registration Examination for Dietitians Variable-length computer-adaptive test: minimum 125 questions (100 scored + 25 pretest), maximum 145 (120 scored + 25 pretest); 3 hours plus 20-minute tutorial and 10-minute survey; scaled 1-50 with 25 to pass; $250 fee at appointment registration; changes and cancellations at least 48 hours before the appointment. | Commission on Dietetic Registration (CDR) | primary | 2026-09-22 | 2026-09-22 | 45d | active |
| CDR study resources — current and future test specifications | Commission on Dietetic Registration (CDR) | primary | 2026-09-22 | 2026-09-22 | 30d | active |