- CBCN stands for Certified Breast Care Nurse, certified through the Oncology Nursing Certification Corporation (ONCC).
- The 2026 exam has 165 questions (125 scored, 40 pretest) in a three-hour, no-break session at PSI test centers.
- Passing score is 55 on ONCC's 25-75 scale, and results appear on screen immediately after testing.
- Eligibility requires 2,000 hours of breast care nursing practice and 10 contact hours of related education.
What Is CBCN?
CBCN stands for Certified Breast Care Nurse, a specialty nursing credential administered by the Oncology Nursing Certification Corporation (ONCC). It's designed for registered nurses who care for patients across the breast health continuum - from screening and diagnosis through treatment, survivorship, and end-of-life care. The credential signals that a nurse has demonstrated advanced knowledge in a field that spans oncology, surgery, radiology, and psychosocial support.
If you're researching this designation for the first time, it helps to understand exactly what the exam covers, who is eligible to sit for it, and what maintaining it looks like over time. This overview ties directly into more detailed resources, including a full breakdown of the CBCN requirements and a deeper look at what the CBCN certification actually involves for working nurses.
Who Administers the Exam and How It's Structured
ONCC owns and manages the CBCN credential, and the exam itself is delivered as computer-based testing through PSI. For the 2026 testing cycle, candidates sit for 165 four-option multiple-choice questions - 125 of which are scored, with the remaining 40 serving as unscored pretest items used to evaluate future exam questions. Candidates aren't told which questions are which, so every item should be treated as if it counts.
The entire exam runs as a three-hour session with no scheduled break. That single detail changes how candidates should pace themselves; there's no built-in pause to recover focus, so stamina and time management matter as much as content knowledge. Personal calculators aren't permitted, but a four-function calculator is embedded directly into the testing platform for any math-based items.
This format is unique to the Certified Breast Care Nurse exam, and understanding it in advance is one of the biggest levers for reducing test-day surprises. For a full walkthrough of what to expect minute by minute, see How Hard Is the CBCN Exam? Complete Difficulty Guide 2026.
The Five CBCN Exam Domains
The 2026 blueprint is based on a 2024 role delineation study, meaning the content weighting reflects what breast care nurses are actually doing in practice today. The exam is organized into five domains, and two of them - Treatment Modalities and Considerations and Nursing Practice - tie as the largest at 24% each.
Domain 1: Care Continuum (19%)
Covers the full trajectory of breast care, from risk assessment and screening through survivorship planning.
- Screening guidelines and risk stratification
- Coordination across multidisciplinary teams
- Survivorship and long-term follow-up care
Domain 2: Diagnosis and Staging (21%)
Tests knowledge of diagnostic workups, pathology reporting, and how staging informs treatment decisions.
- Biopsy techniques and result interpretation
- TNM staging and receptor status
- Genetic counseling considerations
Domain 3: Treatment Modalities and Considerations (24%)
The largest domain, covering surgical, medical, and radiation treatment options along with their nursing implications.
- Surgical approaches and reconstruction options
- Systemic therapy, including chemotherapy and endocrine therapy
- Radiation therapy side effects and management
Domain 4: Nursing Practice (24%)
Also tied as the largest domain, focused on the clinical judgment and coordination work nurses perform day to day.
- Symptom management and patient education
- Care coordination and documentation standards
- Evidence-based practice application
Domain 5: Psychosocial Dimensions of Care (12%)
The smallest domain by weight, but critical for holistic patient support.
- Body image and sexuality after treatment
- Family and caregiver support strategies
- Coping resources and referral pathways
For candidates who want to map out study time proportionally to these weights, the CBCN Exam Domains 2026: Complete Guide to All 5 Content Areas breaks each domain into subtopics with more granularity than a single overview article can offer.
Who Earns the CBCN - And Why It Matters
The CBCN is typically pursued by RNs already working in breast health-adjacent roles: navigators in breast centers, oncology infusion nurses, surgical unit nurses supporting mastectomy and reconstruction patients, and nurses in radiation oncology departments treating breast cancer patients. Because the credential requires substantial hands-on hours before you're even eligible to test, it isn't an entry-level pursuit - it's a specialization step for nurses who have already spent years in the field.
Employers value the credential because it verifies competency across the entire care continuum rather than a single narrow skill. Nurses considering whether the investment pays off in their specific career situation often start with Is the CBCN Certification Worth It? Complete ROI Analysis 2026, and those exploring the job market directly can review CBCN Jobs for a sense of where this specialty shows up in postings.
Key Takeaway
The CBCN isn't a generalist oncology credential - it's specifically built around breast care, which is why the domains skew heavily toward treatment modalities, diagnosis and staging, and the psychosocial side of breast cancer care.
Eligibility Requirements
ONCC sets four eligibility requirements that must all be satisfied before you can register for the exam:
- An active, unencumbered RN license
- 24 months of RN experience within the prior 48 months
- 2,000 hours of breast care nursing practice within the prior 48 months
- 10 contact hours of breast care nursing education within the prior 36 months
The 2,000-hour requirement is the one that trips up nurses who are new to breast care specifically but experienced in oncology or surgical nursing broadly - those hours have to be specific to breast care practice, not general nursing time. A full breakdown of how to document and verify each of these requirements is available in CBCN Requirements 2026: Eligibility, Prerequisites & How to Qualify.
Registration, Fees, and Scheduling
Exam fees depend on membership status: $300 for ONS or APHON members, or $420 for nonmembers. Candidates testing outside the standard testing region should budget for a $75 international surcharge, and there's an optional $100 DoubleTake add-on for those who want an additional review of their exam results.
| Fee Component | Amount |
|---|---|
| ONS/APHON member fee | $300 |
| Nonmember fee | $420 |
| International surcharge | $75 |
| Optional DoubleTake review | $100 |
Testing takes place on a rolling basis through PSI's computer-based testing network, giving candidates flexibility in choosing a date and location once they're approved. For the current cycle's specific windows and application deadlines, see CBCN Exam Dates 2026: Testing Windows, Deadlines & Scheduling, and for a line-by-line cost comparison including membership savings, check CBCN Certification Cost 2026: Complete Pricing Breakdown.
Scoring and Results
ONCC uses a 25-75 scale for CBCN scoring, and the passing threshold is 55. Because 40 of the 165 questions are unscored pretest items, your actual scored performance is based on 125 questions - but since you won't know which items are pretest, the practical advice is to treat every question with equal seriousness.
One notable convenience: results appear on screen immediately after you finish the exam, and an official confirmation is emailed within one hour. There's no multi-week waiting period like some other certification exams involve. For a closer look at how the scaled score translates to real-world performance expectations, read CBCN Passing Score 2026: Exactly What You Need to Pass.
Maintaining the Credential
Once earned, the CBCN is valid for four years. Renewal can be completed through one of three combinations:
- Practice hours plus professional development points
- Practice hours plus retesting
- Professional development points plus retesting
This flexibility lets nurses choose the renewal path that fits their career stage - continuing education-heavy for those without recent breast care hours, or a straightforward retest for nurses who prefer demonstrating current knowledge directly.
Building a Focused Study Plan
Because Treatment Modalities and Considerations and Nursing Practice each carry 24% of the exam, a study plan that spends disproportionate time on Psychosocial Dimensions of Care (12%) at the expense of those two domains is working against the blueprint. A reasonable approach is to allocate study blocks roughly proportional to domain weight, then use short, spaced review sessions in the final weeks to reinforce weaker areas rather than cramming new material.
Diagnosis and Staging + Care Continuum
- Review staging systems and receptor status terminology
- Map out the screening-to-survivorship pathway
Treatment Modalities and Nursing Practice
- Drill surgical, systemic, and radiation therapy details
- Practice symptom management and care coordination scenarios
Psychosocial Dimensions + Full Review
- Study body image, coping, and caregiver support topics
- Take timed practice sessions to build three-hour stamina
For a structured week-by-week plan with more depth, see the CBCN Study Guide 2026: How to Pass on Your First Attempt. And once you're ready to test your recall under realistic timed conditions, the practice exams on the main CBCN practice test platform are built specifically around this five-domain blueprint.
Frequently Asked Questions
CBCN stands for Certified Breast Care Nurse, a credential administered by the Oncology Nursing Certification Corporation. For more detail on the terminology itself, see CBCN Meaning or What Does CBCN Stand For?.
The 2026 exam has 165 four-option multiple-choice questions total: 125 scored and 40 unscored pretest items, delivered in a three-hour session with no scheduled break.
You need a scaled score of 55 on ONCC's 25-75 scale. Results display on screen immediately after testing, with an official email confirmation following within an hour.
The fee is $300 for ONS or APHON members and $420 for nonmembers, with a $75 international surcharge if applicable and an optional $100 DoubleTake result review.
The credential is valid for four years and can be renewed through practice hours plus professional development points, practice hours plus retesting, or points plus retesting.