CBN CertificationCBN candidates must hold an RN license (or an international equivalent), have two years of experience in caring for morbidly obese and bariatric surgery patients and pass the CBN examination. When all of these criteria have been met, candidates are free to use the CBN designation after their name. The CBN credential is issued for a term of four years, at which time a CBN may re-certify to maintain the certificate.
Wound, Ostomy, and Continence Nurses Society Core Curriculum: Wound Management by 
