CNN Domain 1: Concepts of Kidney Disease Across Life Span (30%) - Complete Study Guide 2026
Domain 1, Concepts of Kidney Disease Across Life Span, is the foundational content area of the Certified Nephrology Nurse examination.
CNN Domain Deep Dives
Domain Deep Dives for the Certified Nephrology Nurse (CNN) exam - 4 in-depth guides to help you prepare with confidence. Browse all study resources or jump straight into a guide below.
CNN Domain 2: Acute Inpatient Therapies (25%) - Complete Study Guide 2026
Acute Inpatient Therapies is the second-largest content area on the CNN examination, representing 25% of the test according to the current blueprint...
CNN Domain 3: Peritoneal Dialysis (20%) - Complete Study Guide 2026
Peritoneal dialysis is the third-largest content area on the Certified Nephrology Nurse exam, sitting behind only Domain 1: Concepts of Kidney Disease...
CNN Domain 4: Home Hemodialysis (15%) - Complete Study Guide 2026
Home Hemodialysis is the fourth of five content domains on the Certified Nephrology Nurse examination, accounting for 15% of the 150 multiple-choice...
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