The Nephrology Nursing Certification Commission (NNCC) develops, implements, coordinates, and evaluates all aspects of the nephrology nursing certification and recertification processes. If you have questions regarding certification or recertification, please contact NNCC. Certification Click the link above to go to the NNCC web page containing information about the following examinations: Certified Nephrology Nurse (CNN) Certified Nephrology Nurse-Nurse Practitioner (CNN-NP) Certified Dialysis Nurse (CDN) Certified Clinical Hemodialysis Technician (CCHT) Certified Clinical Hemodialysis Technician-Advanced (CCHT-A) Certified Dialysis LPN/LVN (CD-LPN/CD-LVN). Recertification Click the link above go to the NNCC web page containing information regarding recertification of the following credentials: Certified Nephrology Nurse (CNN) Certified Nephrology Nurse-Nurse Practitioner (CNN-NP) Certified Dialysis Nurse (CDN) Certified Clinical Hemodialysis Technician (CCHT) Certified Clinical Hemodialysis Technician-Advanced (CCHT-A) Certified Dialysis LPN/LVN (CD-LPN/CD-LVN)
