Passing the CCHT exam is the final step to becoming a Certified Clinical Hemodialysis Technician. Our free CCHT practice test resources are designed to help you master the material covered by the Nephrology Nursing Certification Commission (NNCC). Whether you are studying for your initial certification or preparing for CCHT recertification, these practice questions will boost your confidence.
This comprehensive guide covers everything from the CCHT test format to salary expectations. Use our CCHT exam practice questions to identify your weak areas and focus your study time effectively. Start your journey to becoming a certified CCHT today!
Last verified: September 18, 2026 against the Nephrology Nursing Certification Commission (nncc-exam.org).
The CCHT certification validates your knowledge in dialysis procedures, patient care, and safety protocols. Earning this credential from the NNCC CCHT board demonstrates your competence to employers and patients alike. Try our NCLEX practice test.
If you are searching for a CCHT practice exam, start with the free questions on this page: every answer comes with an explanation, and the study notes below cover the CCHT exam topics in order.
A CCHT practice test is one of the most effective ways to prepare for the Certified Clinical Hemodialysis Technician exam administered by the Nephrology Nursing Certification Commission (NNCC), with the Center for Nursing Education and Testing (C-NET) handling applications and PSI delivering the computer-based test. The actual CCHT exam contains 150 multiple-choice questions covering water treatment and dialysate preparation, principles of dialysis, dialyzer reprocessing, patient care and machine technology, and safety. Practice tests that mirror this format help candidates identify weak areas in their knowledge before sitting for the real exam, which costs $225 and requires a standard score of 95, reached by answering about 74% of the questions correctly. Candidates who use targeted practice questions consistently score higher because they become familiar with the way NNCC frames clinical scenarios around vascular access monitoring, fluid removal calculations, and infection control protocols specific to the hemodialysis setting.
A CCHT is a healthcare professional who operates hemodialysis machines, monitors patients during treatment sessions, and maintains the equipment and water systems used in dialysis clinics. The CCHT credential is awarded by NNCC after a candidate meets eligibility requirements that include a high school diploma or GED, completion of a hemodialysis technician training program with both classroom instruction and RN-supervised clinical experience, and compliance with CMS and state regulations; NNCC recommends, but does not require, at least six months (about 1,000 hours) of clinical experience before testing. Holding the CCHT designation signals to employers like DaVita, Fresenius Kidney Care, and hospital-based dialysis units that a technician has demonstrated competency in critical areas including calculating ultrafiltration rates, responding to intradialytic complications such as hypotension and muscle cramping, and following CMS infection control guidelines. Many states now require or prefer CCHT certification for dialysis technicians, and certified technicians typically earn $3,000 to $7,000 more annually than their uncertified counterparts.
The official NNCC test blueprint divides the 150-item CCHT exam into four dialysis practice areas: Clinical (48-52%), Technical (21-25%), Environment (13-17%), and Role Responsibilities (10-14%). The Clinical area is the largest and tests blood pump speed settings, arterial and venous pressure alarm troubleshooting, and proper cannulation techniques for AV fistulas and grafts. Water treatment and dialysate preparation fall under the Technical and Environment areas and cover reverse osmosis system monitoring, chloramine testing, and bicarbonate concentrate mixing ratios. The principles of dialysis section tests understanding of diffusion, osmosis, ultrafiltration, and solute clearance — candidates should be comfortable calculating Kt/V values and understanding adequacy targets. Dialyzer reprocessing, though being phased out at some facilities, still appears on the exam and covers germicide testing with MPA strips, total cell volume measurements, and AAMI standards for reuse. Reviewing each domain systematically rather than studying randomly gives candidates the best chance of passing on their first attempt.
Prepare for the CCHT - Certified Clinical Hemodialysis Technician exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.
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Our CCHT study guide breaks down the essential information you need to know. From registration details to scoring, this guide provides clarity on the NNCC CCHT certification process.
Estimated score calculation
Required to Pass: ~70% (Estimated)
Your Score: 105 correct ✓ PASS
Many dialysis providers, such as DaVita and Fresenius, offer paid CCHT training and will cover your exam fees in exchange for a work commitment.
Explore the diverse roles available to certified technicians.
Join thousands of dialysis technicians who have used our free CCHT practice test resources to achieve certification success. Start practicing today!
CCHT recertification ensures you stay current with the latest dialysis practices. You must renew your credential every three years through the NNCC.
Keep track of your continuing education hours. You can earn CCHT recertification CEU credits through conferences, webinars, and approved online courses.
Disclaimer: This practice test is for educational and preparatory purposes only and is not affiliated with or endorsed by the Nephrology Nursing Certification Commission (NNCC), the official administrator of the CCHT certification exam. For official CCHT certification, testing requirements, and registration information, please visit the official NNCC website at nncc-exam.org.