Achieve Your CGRN Certification

Certification is awarded to individuals who meet eligibility criteria based on experience and who pass an examination covering a broad range of knowledge and skills relevant to their professional practice. 


Those individuals who achieve ABCGN certification can be recognized by a designation used after their names – CGRN. Once certified, nurses maintain their certification by re-certifying every five years. Candidates may re-certify either by retesting or by completing a specified program of continuing education.

ABSNC LogoABCGN's Certified Gastroenterology Registered Nurse (CGRN) credential has been accredited by the Accreditation Board for Specialty Nursing Certification (ABSNC).

Why Certify?

  • Expand your role in providing patient services
  • Demonstrate your commitment to your profession
  • Improve patient care
  • Achieve greater satisfaction in your chosen profession
  • Accelerate career growth


2022 Certification Statistics

The number of candidates eligible to the CGRN in 2022 totaled 549 candidates. Of the 549 eligible only 445 candidates took the exam in 2022. 292 (65.8%) passed and received the CGRN designation. 


We now offer an online credential verification tool. Visit our CGRN Certification Registry.