Free CDN Exam Prep
Certified Dialysis Nurse (CDN)
Prepare for the CDN exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
Quick Facts
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Study guide on Mometrix
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CDN NNCC Nephrology Nursing Certifications License: Complete Roadmap
Follow this path to organize your licensing and exam preparation
Phase 1You are here
Rebuild kidney disease and dialysis core concepts from the official blueprint.
Phase 2
Deepen hemodialysis decision-making with complication and troubleshooting drills.
Phase 3
Cover peritoneal dialysis and transplant/acute-therapy topics with targeted quizzes.
Phase 4
Complete timed mixed-domain simulations and final weak-area remediation.
Can You Take the CDN Exam?
Check if you meet the basic eligibility requirements
- •Submit complete online or paper exam application with payment
- •Receive authorization, then schedule through PSI testing link sent by email
- •Renew certification every 3 years via NNCC recertification requirements
CDN Quick Facts
Time to Get Licensed
8-14 weeks for most candidates
From start to license in hand
Retake Policy
A one-time reduced-fee retake is available; unsuccessful candidates after that must submit a new application cycle and applicable fees.
Total Cost Breakdown
Free CDN Prep Tools
Reported exam pass rate: 75% pass rate in 2024 (NNCC Annual Report).. Check the exam sponsor for the latest official figure.
200 Practice Questions
Dialysis-focused practice aligned to the current NNCC CDN blueprint ranges.
AI-Powered Learning
Adaptive coaching for nephrology scenarios, access care, and dialysis safety decisions.
2026 Updated
Built to the latest NNCC CDN handbook, eligibility rules, and passing-standard language.
Free Access
Start CDN prep free before you submit your NNCC application and exam fee.
What You'll Study
5 chapters covering the exam topics in this guide
CDN Exam Details
Certified Dialysis Nurse (CDN)
Administered by Nephrology Nursing Certification Commission (NNCC)
Exam Content Breakdown
Based on the official Nephrology Nursing Certification Commission (NNCC) content outline
CKD and kidney-failure fundamentals, pathophysiology, and related nursing concepts.
Largest domain covering hemodialysis delivery, monitoring, complications, and safety.
Peritoneal dialysis patient care, treatment management, and complication response.
Transplant and acute-therapy fundamentals that complete the CDN blueprint.
What's Included
5 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
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What's Next After the CDN?
After passing the CDN, you can pursue these career paths
CNN
Advance to broader nephrology nursing certification scope.
CCRN
Add high-acuity critical-care credentialing for dialysis-related ICU settings.
Nephrology Educator/Leader Roles
Use CDN as a baseline credential for charge nurse, educator, and unit-lead pathways.
CDN Exam FAQ
Official Nephrology Nursing Certification Commission (NNCC) Resources
Verify information with these official sources
More Free Resources
Ready to Start Your Free CDN Prep?
Review the study guide, practice key concepts, and use the free tools at your own pace.