- The Credential in Plain Terms
- Who Issues It and Who Takes It
- What the Exam Looks Like
- The Four Content Domains
- What Candidates Must Actually Know
- Eligibility, Fees, and Registration Mechanics
- Test-Day Rules and Retesting
- After You Pass: Renewal Cycles
- Where Certified Coordinators Work
- A Domain-Weighted Prep Sequence
- Frequently Asked Questions
- CHUC here means Certified Health Unit Coordinator, issued by the NAHUC Certification Board.
- The exam has 120 multiple-choice questions, but only 100 are scored; 20 are unscored pretest items.
- Coordination of Health Unit, Equipment, and Technical Procedures carries 41% of the exam, the largest domain.
- The exam fee is $205, and you get 150 minutes in a closed-book, no-calculator session.
The Credential in Plain Terms
CHUC stands for Certified Health Unit Coordinator. It is a professional certification for the people who keep a hospital nursing unit or clinical department running on the administrative and communication side: the person at the unit desk who processes physician orders, answers phones and call lights, coordinates transport and equipment, greets visitors, and keeps the flow of information moving between nurses, physicians, patients, and ancillary departments. The designation is also styled C.H.U.C.
It is worth stating this plainly because the acronym is shared with other, unrelated credentials. Everything on this page, and everything on CHUC Exam Prep, concerns only the health unit coordinator certification. If you are searching for the meaning behind the letters, our short explainers on what CHUC stands for and CHUC meaning cover the terminology in more detail.
Who Issues It and Who Takes It
The certification is administered by the National Association of Health Unit Coordinators, Inc. (NAHUC) through its Certification Board. NAHUC is the professional association for health unit coordinators, and the Certification Board is the body that sets the content outline, standards, and policies for the credential.
The typical candidate is someone already working in or training for a unit coordination role: a health unit coordinator, unit secretary, or ward clerk, or someone in a support position whose duties overlap with unit coordination. Others come straight out of an HUC training program. Membership in NAHUC is optional for certification, though members get a lower price on the association's optional practice test.
If you are weighing whether to pursue it, our ROI analysis of the CHUC certification and our overview of CHUC jobs lay out the career side of the decision.
What the Exam Looks Like
The exam is delivered through TesTrac, with either an approved independent in-person proctor or a webcam remote proctor. The structure is simple and consistent:
| Feature | Detail |
|---|---|
| Total questions | 120 multiple-choice |
| Scored questions | 100 |
| Unscored pretest questions | 20 |
| Answer choices | Four, with one best answer |
| Testing time | 150 minutes |
| Book policy | Closed book |
| Calculators | Prohibited |
| Delivery | TesTrac; in-person proctor or webcam remote proctor |
| Exam fee | $205 USD |
Why "one best answer" changes how you study
Each question has four choices and a single best answer. That wording signals that more than one option may look reasonable, and your job is to select the most appropriate response for a unit coordinator acting within scope. Many scenario-style items reward judgment: which task do you handle yourself, which do you route to a nurse, and which do you escalate? Memorizing definitions alone will not carry you through.
The 20 unscored items
Of the 120 questions, 20 are pretest items used to evaluate future exam content. They are mixed in and are not identified, so treat every question as if it counts. The practical consequence is that a handful of strange or unfamiliar items is normal and should not rattle you.
For a candid look at how demanding the format feels in practice, see how hard the CHUC exam really is.
The Four Content Domains
The exam is built on a four-domain content outline. The January 2026 candidate handbook retains the outline effective June 1, 2018, so the weights below are the ones you are tested against. Passing standards use Angoff standard setting and form equating, which means the standard is set by expert judgment of item difficulty and adjusted across exam forms so that candidates are held to a consistent level.
| Domain | Weight |
|---|---|
| Domain 1: Order Management | 17% |
| Domain 2: Coordination of Health Unit, Equipment, and Technical Procedures | 41% |
| Domain 3: Communication/Customer Service | 28% |
| Domain 4: Professional Development | 14% |
Domain 1: Order Management (17%)
This domain covers the transcription and processing of physician orders, the core transactional work of a unit coordinator.
- Understanding the types of orders a unit receives and how each is handled
- Accurate transcription, verification, and communication of orders to the right departments
- Recognizing what falls within the coordinator's scope versus what requires a nurse or physician
Domain 2: Coordination of Health Unit, Equipment, and Technical Procedures (41%)
The largest domain by a wide margin, and the one that deserves the biggest share of your study time. It addresses the day-to-day operation of the unit and the systems used to run it.
- Coordinating patient admissions, transfers, and discharges at the unit level
- Managing equipment, supplies, and requisitions
- Using unit technology, including electronic systems, for scheduling and tracking
- Coordinating diagnostic and treatment procedures with ancillary departments
Domain 3: Communication/Customer Service (28%)
The second-largest domain reflects how much of the job is simply talking to people well and routing information correctly.
- Telephone and in-person communication with patients, families, visitors, and staff
- Professional, confidential, and respectful handling of sensitive information
- Responding to call lights, requests, and difficult interactions appropriately
Domain 4: Professional Development (14%)
The smallest domain, but not one to skip, since these items are often the most approachable points on the exam.
- Professional responsibility, ethics, and accountability in the coordinator role
- Continuing education and growth in the profession
- Workplace conduct and understanding the scope of the HUC role
A fuller breakdown of each area, with the kinds of tasks each one tests, is in our complete guide to all four CHUC content areas.
What Candidates Must Actually Know
Because Domain 2 alone is 41% of the exam and Domain 3 adds another 28%, roughly seven of every ten scored questions fall into unit coordination and communication. That tells you where the exam's center of gravity sits: operational competence and professional communication, not abstract theory.
Operational fluency
Expect questions framed around realistic unit situations. A patient is being transferred and equipment must follow; a procedure has to be scheduled with another department; an order arrives that needs to be processed and communicated. The exam wants to know that you understand the sequence of actions, who needs to be told, and what documentation or follow-up is required.
Communication under pressure
Domain 3 questions tend to test judgment about tone, confidentiality, and routing. The best answer is usually the one that keeps the patient or family informed appropriately, protects privacy, and gets the right clinical person involved when a matter goes beyond the coordinator's role.
Staying in scope
Across all four domains, a recurring theme is scope of practice. A health unit coordinator performs administrative and coordination functions; clinical decisions belong to licensed staff. When a scenario edges toward a clinical judgment, the correct answer almost always involves handing it to the appropriate clinician.
Key Takeaway
When two answers both seem plausible, choose the one that keeps you within the unit coordinator's role, communicates with the correct person, and protects patient confidentiality. That pattern resolves a large share of "best answer" items.
Eligibility, Fees, and Registration Mechanics
Eligibility requires a high-school diploma or equivalent plus qualifying experience or preparation. Qualifying paths include unit-coordination work, relevant support duties, HUC training, or involvement in health unit coordinating activities. NAHUC membership is not required. For a step-by-step view of how to document and qualify, see our guide to CHUC requirements and eligibility, and for background on preparation routes, our page on CHUC training.
What you pay
- Exam fee: $205 USD.
- NAHUC's optional practice test: 50 questions, $20 for members or $40 for non-members for single use. It is separate from certification testing and does not count toward your credential.
Our full CHUC certification cost breakdown walks through how these fees fit into a total budget, including retesting and renewal.
Accommodations
If you need testing accommodations, request them at least 45 calendar days ahead of your exam. Build that lead time into your schedule rather than leaving it to the last minute. For scheduling windows and deadlines, check CHUC exam dates and scheduling.
Test-Day Rules and Retesting
Whether you test with an in-person proctor or by webcam, expect strict conditions. The exam is closed book and calculators are prohibited, so there are no reference materials to lean on. You will need to bring two forms of identification.
If you do not pass, there is a 60-day wait before you can retest. That window is best used to diagnose which domain cost you the most points and rebuild from there rather than simply re-reading everything. For what the passing standard means for your target, see our explainer on the CHUC passing score, and for what published data does and does not tell us, our CHUC pass rate discussion.
After You Pass: Renewal Cycles
Certification is not permanent. For cycles beginning January 1, 2026 or later, the certification lasts two years, and renewal requires either 24 NAHUC contact hours or reexamination. Earlier three-year cycles retain their existing expiration date and the 36-hour requirement until the next cycle begins.
| Cycle | Length | Renewal Requirement |
|---|---|---|
| Begins January 1, 2026 or later | Two years | 24 NAHUC contact hours or reexamination |
| Earlier three-year cycles | Three years (existing expiration retained) | 36 hours until the next cycle |
Because the newer cycle is shorter, plan to accumulate contact hours steadily instead of compressing them into the final months. Professional Development, the exam's smallest domain, is also the habit you will practice for the life of the credential.
Where Certified Coordinators Work
Health unit coordinators are found wherever a clinical unit needs administrative and communication support. That includes hospital medical-surgical floors, intensive care and emergency departments, labor and delivery, outpatient and specialty clinics, and other inpatient or ambulatory settings. Employers are typically hospitals, health systems, and clinics that value a coordinator who can process orders accurately and keep a unit running smoothly.
The credential signals to a hiring manager that you have been evaluated against a recognized content outline covering order management, unit coordination, communication, and professionalism. It does not guarantee a particular wage, and we do not publish invented figures here; for how pay is discussed and what factors influence it, see our CHUC salary guide, and for openings and role types, CHUC jobs.
A Domain-Weighted Prep Sequence
Rather than a generic study schedule, let the exam blueprint set your priorities. The logic is straightforward: spend the most time where the most points live, but do not neglect the smaller domains, because they are often the quickest to secure.
Domain 2 foundations (41%)
- Work through unit operations, equipment, and technical procedure coordination
- Build a running list of departments and who coordinates what
- Why first: it is the largest domain, so early gains pay off most
Domain 3 communication (28%)
- Practice scenario questions on phone etiquette, confidentiality, and difficult interactions
- Focus on choosing the response that stays in scope and routes correctly
Domains 1 and 4 (17% and 14%)
- Review order types, transcription steps, and verification
- Cover professional responsibility and continuing education concepts
Full-length timed practice
- Simulate the 120-question, 150-minute format
- Review misses by domain and revisit your weakest area
For a deeper, step-by-step plan, see our CHUC study guide, and when you are ready to test your recall of the essentials, our one-page CHUC cheat sheet is a fast final review. To rehearse the question style itself, try a timed session on the CHUC practice test at CHUC Exam Prep.
Key Takeaway
Practice under the real constraints: 120 questions in 150 minutes, closed book, no calculator. Pacing is about 75 seconds per question, and rehearsing it removes a large source of test-day stress.
Frequently Asked Questions
It stands for Certified Health Unit Coordinator, the credential issued by the National Association of Health Unit Coordinators, Inc. (NAHUC) Certification Board. The designation is also written C.H.U.C. It is not related to other credentials that share the abbreviation. See also what CHUC certification is.
The exam has 120 multiple-choice questions, of which 100 are scored and 20 are unscored pretest items. Each question has four choices and one best answer, and you have 150 minutes of testing time.
The exam fee is $205 USD. NAHUC membership is optional. The separate 50-question practice test costs $20 for members or $40 for non-members for single use, and it is not part of certification testing.
Coordination of Health Unit, Equipment, and Technical Procedures is the largest at 41%, followed by Communication/Customer Service at 28%, Order Management at 17%, and Professional Development at 14%.
You must wait 60 days before retesting. For cycles beginning January 1, 2026 or later, certification lasts two years, with renewal through 24 NAHUC contact hours or reexamination; earlier three-year cycles keep their existing expiration and 36-hour requirement until the next cycle.