Certified Dialysis Nurse (CDN) Exam

• The Certified Dialysis Nurse Exam 2025–2026 is a national certification examination for registered nurses specializing in dialysis and nephrology care.
• The exam evaluates clinical knowledge, judgment, and application of principles related to renal failure and dialysis therapies.
• It is designed to reflect current dialysis nursing practice in the United States.

• The exam is administered by the National Nephrology Certification Organization.
• This organization establishes eligibility requirements, exam standards, scoring policies, and recertification guidelines.

• Computer-based examination.
• Multiple-choice questions with one correct answer.
• Questions assess both knowledge recall and clinical application.
• Content is distributed across renal failure, dialysis modalities, transplantation, and patient management.

• Approximately 200 multiple-choice questions.
• A portion of questions may be unscored and used for future exam development.
• All questions are presented in a single testing session.

• Total testing time is approximately 3 hours.
• Time includes answering questions only.
• No scheduled breaks are included in the exam time.

• Scores are reported on a scaled score system.
• A minimum passing score is required to earn certification.
• Results indicate pass or fail status.
• Certification is awarded only after meeting all exam and eligibility requirements.

• Validates specialized knowledge in dialysis and nephrology nursing.
• Demonstrates commitment to professional standards and patient safety.
• Enhances professional credibility in dialysis facilities.
• Supports career advancement and leadership opportunities.
• Reflects competence in managing complex renal and dialysis-related conditions.

• You are tested on real clinical scenarios encountered in dialysis practice.
• Success confirms your ability to deliver safe, evidence-based renal care.
• Certification distinguishes you as a qualified dialysis nursing professional.

This exam serves as both a professional milestone and a benchmark of excellence in dialysis nursing practice.