BONENT CHT
BONENT Certified Hemodialysis Technologist/Technician (CHT)
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ExploreAbout this exam
The Certified Hemodialysis Technologist/Technician (CHT) credential is issued by BONENT, the Board of Nephrology Examiners Nursing and Technology, a certification body that marked 50 years of dedication to dialysis in 2024. The CHT is one of several BONENT certifications listed alongside the CHN, CHBT, CPDN and CHWS, and it is aimed at technicians and technologists who deliver direct hemodialysis care and want independent verification of their knowledge beyond employer-based training. BONENT publishes the CHT exam as a standalone certification with its own listing on the Exams/Certifications menu, and a Spanish-language option is offered alongside the English version. Candidates can sit for the exam in two formats - Paper and Pencil Exams (PPE), held on a published schedule, and Computer Based Testing (CBT), offered at listed locations. Preparation resources published by BONENT include a CHT Practice Test, Reading & Study Guides, a list of Approved Training Programs, and the Candidate Handbook, which covers exam-day rules. Administrative pages cover Application & Deadlines, Eligibility & Fees, ADA Requests, Refunds/Transfers/Withdrawals, Exam Results, Manual Re-Scoring for PPE candidates, and Retake Exam. Certification is time-limited: BONENT maintains a full Recertification section covering how-to and how-often requirements, contact hours/CEUs, approved CE programs, and what happens if a certification lapses or expires. This page is an independent study resource and is not affiliated with or endorsed by BONENT; always confirm current requirements with BONENT directly.
What you'll study
About BONENT CHT preparation
What format is the CHT exam offered in?
BONENT lists two delivery methods: Paper and Pencil Exams (PPE), which run on a published schedule, and Computer Based Testing (CBT), available at listed locations. Both are described as exam methods on the BONENT site, and you choose during the application process. Confirm seat availability and deadlines on BONENT's Locations & Schedule pages before applying.
Can I take the CHT in Spanish?
Yes. BONENT lists a "CHT Spanish option" as a separate entry under the CHT certification, alongside the standard English exam. Application, scheduling and exam-day rules are otherwise handled the same way. Check the CHT page directly for how to request the Spanish version when you apply.
How hard is the CHT exam?
BONENT does not publish a difficulty rating, and difficulty is largely a function of your training and hands-on hours. The exam spans clinical patient care, water treatment and delivery systems, machine operation, infection control and safety, and professional/regulatory standards, so candidates who have only worked one treatment modality often find the water-treatment and machine sections the hardest.
What study materials does BONENT publish?
BONENT's Prepare for Exams area lists a CHT Practice Test, Reading & Study Guides, and Approved Training Programs. The Candidate Handbook, linked under Before Exam, covers exam-day procedures and rules. Start with the handbook for logistics, then use the practice test to find weak domains and the study guides to close the gaps.
What happens if I fail - can I retake it?
BONENT maintains a dedicated Retake Exam page under the After Exam section, so a retake pathway exists. The site does not state wait periods or limits in the material reviewed here, so confirm the current retake rules, timeline and any additional fee with BONENT before rescheduling. Do not assume the original application carries over.
Can I have my paper exam re-scored?
Yes - BONENT lists Manual Re-Scoring (PPE) under After Exam, which applies to paper-and-pencil candidates. Computer-based results are handled through the standard Exam Results process. Review the re-scoring page for the request procedure and any deadline, since re-scoring requests are typically time-limited after results are released.
How long is the certification valid, and how do I renew?
BONENT certification is time-limited and requires recertification. The Recertify section covers Recertification Overview, How-To and How Often, Contact Hours/CEUs, Approved CE Programs, and Lapsed or Expired Certification. BONENT has published updated recertification booklets and applications in recent cycles, so always download the current version rather than using an older form.
What should I do first if I need an accommodation?
Go to ADA Requests, listed under Before Exam. Accommodation requests are handled in advance of the test date rather than on exam day, so submit early and follow the instructions on that page. Confirm approval before you finalize your PPE or CBT scheduling so the arrangement is in place at the test site.
In what order should I study the five content areas?
A practical order is clinical patient care first, since it anchors everything else, then dialysis delivery systems and water treatment, then machine and equipment operation, then infection control and safety, and finally professional standards and regulatory issues. Water treatment and machine topics are the most commonly under-studied, so give them extra practice-test review.
Where do I confirm application status and results?
BONENT provides a Check EXAM Application Status link and a Verify a Certification tool for confirming an existing credential or recertification status. Exam results have their own page under After Exam. Use these rather than emailing for routine status questions, and verify certification through the official portal if an employer asks for proof.