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The Certified Bariatric Nurse (CBN) Program is designed to assess the professional competence of practitioners of Bariatric Nursing.


Our vision is to provide the premier credential to professional nurses caring for the severly obese and bariatric surgical patient.


The RN Certification Committee and the Certification Advisory Committee of the American Society for Metabolic and Bariatric Surgery are dedicated to enhancing and promoting the specialty of bariatric nursing care.

CBN Eligibility

Eligibility Requirements for Certification

In order for candidates to sit for the CBN examination they must satisfy the following eligibility criteria, including compliance with the ASMBS standards of conduct:

  1. Be currently licensed as Professional Nurse (RN or equivalent for international nurses) in one of the 50 United States, the District of Columbia or Puerto Rico.
    a. A valid license number must be entered when applying online.
    b. Licensed Practical Nurses (LPNs) and Licensed Vocational Nurses (LVNs) are not eligible to sit for the examination.

  2. International nurses are eligible to sit for the CBN examination.
    a. Acceptable international nurses’ licensure will be determined on an individual basis by the ASMBS.
    b. The examination is based on a practice analysis of nursing care of patients with severe obesity and bariatric surgical patients in the United States of America.
    c. The examination will only be offered in the English language.
    d. Currently the examination is offered in testing locations throughout the world through a commercial testing distribution network.

  3. Complete a minimum of 24 months (within the preceding 4 years) of nursing care of patients with severe obesity and bariatric surgery patients, predominately in the Bariatric surgery process. (i.e.: pre-operative, peri-operative or post operative/follow up care).
    a. This may include an RN who serves in a practice role that includes but is not limited to educational, administrative, leadership, quality, or advanced practice serving the bariatric population.
    b. The CBN committee will review eligibility when there is question.

  4. Adhere to the CBN Certification Standards of Conduct.
    a. Candidates are required to confirm acceptance of a statement on the application form that they understand violations of the CBN Standards of Conduct may result in loss of eligibility for the CBN certification.

Download the 2024 CBN Handbook

2023 CBN Exam Important Dates

Test Window 1

Exam Administration: January 13 through February 25, 2023

Early Online Registration Opens: October 17, 2022
Early Registration Deadline: December 12, 2022
Regular Registration Deadline: January 9, 2023

Test Window 2

Exam Administration: July 7 through August 28, 2023

Early Online Registration Opens: March 20, 2023
Early Registration Deadline: May 22, 2023
Regular Registration Deadline: June 30, 2023

Click Here To Register For the CBN Exam

New CBN Exam Study Guide

To access the newly published CBN exam study guide please click here.

Questions about the application process and administration of the CBN examination should be directed to:

18000 W 105th Street
Olathe, KS 66061
p. 855-579-4641
f. 913-895-4651

Why is Certification of a Bariatric Nurse Important?

Download this PDF to share with hospital administrators and employers the importance of CBN!

CBN Newsletter

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