CHN Meaning

CHN Means Certified Hemodialysis Nurse

In the context of this site, CHN stands for Certified Hemodialysis Nurse. It is a professional certification for nurses who care for patients with end-stage renal disease (ESRD) receiving hemodialysis. Holding the credential signals that a nurse has met defined experience requirements and passed a standardized examination covering the clinical, supervisory, professional, and environmental sides of dialysis nursing.

If you have landed here from a search for the meaning of the abbreviation, this guide covers exactly what the title represents, who grants it, what the exam tests, and what it takes to earn and keep it. For other angles on the same question, see our short explainers on what CHN stands for and what a CHN is.

Who Awards the Credential

The CHN is administered by the Board of Nephrology Examiners Nursing & Technology (BONENT). BONENT is the body that sets eligibility rules, delivers the examination, issues the credential, and manages renewal. Its exam delivery model includes computer-based testing (CBT) through a linked SMT/IQT network, as well as paper examinations under approved onsite proctoring.

Because BONENT handles authorization, applications, accommodations, and maintenance, it is the source of truth for any deadline or fee. Our own pages, including CHN exam dates and scheduling and the CHN certification cost breakdown, summarize what is published, but you should always confirm current figures on the official site before paying anything.

Why the Acronym Needs Clarifying

"CHN" is a crowded abbreviation. Other healthcare and wellness credentials share the same three letters, and search results often blend them together. That is why a clear definition matters before you invest time or money.

The Certified Hemodialysis Nurse credential is specific in three ways:

• Population: patients with kidney failure treated with hemodialysis.
• Certifying body: BONENT, not any other board.
• Candidate: a licensed nurse with hands-on nephrology experience, not a general wellness or community-health practitioner.

If a program you are researching does not involve nephrology nursing, nurse licensure, and BONENT, it is a different credential. For a broader orientation, our overview What Is CHN Certification? walks through the basics in a different format.

What a Certified Hemodialysis Nurse Actually Does

The title describes a practice setting as much as a qualification. A hemodialysis nurse works with patients whose kidneys can no longer clear waste and fluid, and who depend on a dialysis treatment schedule. Day-to-day responsibilities typically revolve around the treatment cycle:

• Assessing patients before, during, and after treatment, including weight, vital signs, access site condition, and symptoms.
• Managing vascular access, such as fistulas, grafts, and catheters, with attention to infection prevention and complications.
• Operating and monitoring dialysis equipment and responding to alarms or treatment deviations.
• Administering and monitoring medications associated with dialysis care.
• Educating patients and families about diet, fluid limits, medications, and long-term kidney disease management.
• Coordinating with the care team, including nephrologists, technicians, dietitians, and social workers.

Many of these tasks map directly to exam content, which is why the test leans so heavily toward clinical dialysis topics. For a view of how this plays out in the job market, see CHN jobs.

The Four Domains Behind the Credential

The official content outline divides the exam into four domains that total 100%. The distribution is lopsided on purpose: the credential is fundamentally about clinical dialysis competence.

For a deeper dive into each content area, read our complete guide to all four CHN exam domains.

Exam Format and Scoring Mechanics

Knowing the format removes a lot of test-day anxiety. Here is what is published about the CHN examination:

• Questions: 150 multiple-choice items. The split between scored and unscored questions is not disclosed.
• Time: 3 hours.
• Passing standard: a scaled score of 70 on a 1-100 scale.
• Open or closed book: closed book. Under the linked handbook, personal calculators and reference devices are not permitted.
• Delivery: computer-based testing through a linked SMT/IQT network, or paper examinations under approved onsite proctoring. CBT is not a verified at-home route.
• Accommodations: available through the application process.

BONENT does not publicly disclose a pass rate, so any specific percentage you see circulating online should be treated with caution. We discuss what can and cannot be said in CHN pass rate: what the data shows, and for a realistic read on difficulty, see how hard the CHN exam is.

Eligibility: Who Can Sit for the Exam

The credential is not open to everyone. Candidates must hold a nursing license and have documented experience in nephrology nursing. The standard route looks like this:

There is also an approved corresponding nurse-training pathway. Candidates using that route need BONENT's confirmation and supporting documentation before they can proceed. No universal mandatory prep-hour total has been verified, so you will not find a published number of study hours required before applying.

Authorization and application deadlines apply, which makes early planning important. Our guide to CHN requirements and how to qualify covers the paperwork side in more detail.

Fees, Validity and Renewal

Examination Fees

No separate member and non-member pricing tiers are published. An optional USD 100 expedite fee is available. Note that the linked general handbook was revised in January 2021 and its fee information has been superseded by the current webpage, so always trust the live fee page over older PDFs. For a full pricing picture, see the CHN certification cost breakdown.

How Long the Credential Lasts

The CHN is valid for four years. Standard renewal requires 40 contact hours, including at least 30 nephrology hours. A qualifying examination or once-in-lifetime waiver route also exists. Maintenance costs either USD 65 annually or USD 240 prepaid for four years.

Sequencing Your Preparation by Domain

Because the exam is so heavily weighted toward one domain, a CHN-specific study plan should be front-loaded with clinical dialysis content. Here is one way to sequence a six-week window, tied directly to domain weight:

Adjust the timeline to your own schedule and experience. Nurses working daily in dialysis may need less time on clinical review but more on management and environmental topics. For a fuller plan, read our CHN study guide, and for a quick final review, use the CHN cheat sheet. You can also test yourself on the main practice test site to see which domains need work.

Where the Credential Is Used

Certified Hemodialysis Nurses work wherever hemodialysis is delivered. Typical settings include:

• Outpatient dialysis centers, including those run by large dialysis organizations and independent operators
• Hospital-based dialysis units, serving both inpatients and outpatients
• Home and community programs that support patients on home therapies
• Acute care and critical care settings that provide dialysis to unstable patients

Employers value the credential as evidence of specialty competence, and some use it in hiring or advancement decisions. Whether it translates into higher pay depends on the employer and region, and we avoid quoting unverified figures here. Our CHN salary guide and the ROI analysis look at the financial question qualitatively. If you want to understand the preparation side of becoming certified, CHN training covers the options.

Frequently Asked Questions