The ONCC CBCN (Certified Breast Care Nurse) exam tests specialized knowledge in breast cancer care across the continuum from screening to survivorship.

Exam Format

• •Total Questions: 165 (125 scored + 40 pretest)
• •Time Limit: 3 hours
• •Passing Score: 55 on scaled score range 25-75
• •Cost: $300 / $420 non-member

What Makes the CBCN Challenging?

1. Rapidly Evolving Treatment Landscape

Breast cancer treatment changes frequently. New targeted therapies, immunotherapies, and clinical trial data emerge regularly. The exam reflects current evidence-based practice.

2. Genetic and Molecular Complexity

Understanding BRCA mutations, HER2 status, hormone receptor status, genomic assays (Oncotype DX), and their treatment implications requires solid molecular biology knowledge.

3. Multidisciplinary Care Coordination

The exam tests your understanding of the entire care team — surgeons, medical oncologists, radiation oncologists, genetic counselors, navigators, and psychosocial support.

4. Breadth Across the Continuum

From screening and diagnosis through treatment, survivorship, and end-of-life care, the CBCN covers the full spectrum of breast care nursing.

Frequently Asked Questions

What is the pass rate for the CBCN?

ONCC does not publish specific pass rates for the CBCN. ONCC certifications generally have pass rates in the 65-80% range for first-time candidates.

Is the CBCN harder than the OCN?

The exams have the same format and similar structure. The CBCN requires deeper knowledge in a narrower domain (breast cancer), while the OCN requires broader knowledge across all cancer types. Neither is definitively harder — it depends on your background.

How should I prepare for the CBCN?

Use the ONCC CBCN test blueprint as your study guide. Review current NCCN guidelines for breast cancer. Take practice exams to identify weak areas. Allow 6-10 weeks of preparation.