CGRN Complete Exam Guide
Eligibility, registration, format, scoring, and renewal
The CGRN examination is administered by American Board of Certification for Gastroenterology Nurses (ABCGN). Use this guide to organize the process, then verify every current policy in the official sources.
Key Facts
| Blueprint | Use the current official CGRN candidate handbook and content outline |
|---|---|
| Policies | Confirm eligibility, fees, testing, scoring, retake, and renewal rules directly with the credentialing organization |
| Preparation | Map study and practice review to the current official domains |
Eligibility and Application
Check the current candidate handbook before applying. Confirm education, training, experience, identification, and documentation requirements before paying a fee or scheduling an appointment.
Registration, Testing, and Cost
Use the official registration system for current fees, testing windows, accommodations, appointment rules, and permitted materials. Third-party summaries should never control a time-sensitive decision.
Scoring, Retakes, and Renewal
Review the current official policies for score reporting, passing decisions, retake waiting periods, renewal cycles, and continuing education. Convert any score report into a domain-specific remediation plan.