Free CNN Exam Prep
Certified Nephrology Nurse (CNN) Examination
Pass your CNN exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
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CNN NNCC Nephrology Nursing Certifications License: Complete Roadmap
Follow this path to maximize your chances of passing on the first try
Phase 1: Kidney Disease CoreYou are here
Master the highest-weight pathophysiology and patient-complication framework.
Phase 2: Hemodialysis Mastery
Focus on dialysis systems, troubleshooting, and treatment safety decisions.
Phase 3: Peritoneal + Transplant
Reinforce PD protocols and transplant follow-up priorities.
Phase 4: Acute Therapies + Timed Mock
Run timed 3-hour sets and close gaps in lower-weight domains.
Can You Take the CNN Exam?
Check if you meet the basic eligibility requirements
- •Current unrestricted RN license in the U.S. or its territories
- •If employed in a dialysis facility, at least 750 of the required 3,000 hours must be in that setting
- •Application approval is required before PSI scheduling
CNN Quick Facts
Time to Get Licensed
8-14 weeks for most candidates
From start to license in hand
Retake Policy
NNCC provides one reduced-fee retake opportunity within one year of the failed attempt; additional attempts require a new application and applicable fees.
Total Cost Breakdown
Free CNN Prep That Actually Works
The official pass rate is ~64% overall for CNN test-takers in 2024 (NNCC Annual Report).. Our students do better.
150 Exam-Style Questions
Blueprint-aligned nephrology practice by content area and objective domain
AI-Powered Learning
Accelerate dialysis, CKD, and transplant reasoning with instant rationale support
2026 Updated
Aligned to current NNCC application handbook and published blueprint ranges
Free Access
Start CNN prep with free domain-based practice sets
What You'll Study
4 chapters covering everything you need to pass
CNN Exam Details
Certified Nephrology Nurse (CNN) Examination
Administered by Nephrology Nursing Certification Commission (NNCC)
Exam Content Breakdown
Based on the official Nephrology Nursing Certification Commission (NNCC) content outline
Pathophysiology, risk, complications, and chronic kidney disease care priorities
Hemodialysis treatment principles, monitoring, and complication management
Peritoneal dialysis assessment, safety, adequacy, and patient self-management
Kidney transplant fundamentals, follow-up priorities, and complication surveillance
Acute nephrology therapies in high-acuity and rapidly changing clinical settings
What's Included
4 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
Quality Exam Prep Shouldn't Cost Hundreds
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What's Next After the CNN?
After passing the CNN, you can pursue these career paths
CNN Exam FAQ
Official Nephrology Nursing Certification Commission (NNCC) Resources
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