AACN Certification Corporation drives patient health and safety through the comprehensive credentialing of acute and critical care nurses, advancing practice consistent with standards of excellence. More than 130,000 nurses hold AACN Cert Corp certifications, including two programs for acute/critical care pediatric and neonatal RNs - CCRN (Neonatal and Pediatric) - and wellness through acute care CNSs (ACCNS-N and ACCNS-P).