OCN Oncology Certified Nurse Certification Exam Study Guide 2026–2027
OCN Oncology Certified Nurse Certification Exam Study Guide 2026–2027
Comprehensive Review, Practice Questions, and Detailed Answer Explanations Aligned with ONCC Certification
By Capra Academy · Published June 29, 2026 · 248 pages
About This Book
Prepare for the ONCC OCN certification exam with a comprehensive study guide covering cancer biology, treatment modalities including chemotherapy and immunotherapy, treatment toxicities, symptom management, oncologic emergencies, survivorship, palliative care, and psychosocial support. Includes 300 practice questions with detailed answer explanations.
What’s Inside
- 300 Practice Questions
- Detailed Answer Explanations
- Cancer Biology Review
- Treatment Modalities
- Oncologic Emergencies
- Test-Taking Strategies
Frequently Asked Questions
What is the OCN exam?
The OCN (Oncology Certified Nurse) exam is administered by ONCC (Oncology Nursing Certification Corporation). It is an NCCA-accredited certification for registered nurses specializing in adult oncology.
How many questions are on the OCN exam?
The OCN exam has 165 multiple-choice questions with a 3-hour time limit. Same-day test results are provided.
How much does the OCN exam cost?
ONS/APHON members pay $300. Non-members pay $420. The certification is valid for 4 years.
What is the OCN pass rate?
The OCN pass rate ranges between 70% and 80%. A scaled score of 55 is required to pass.
How does OCN compare to CPHON?
OCN covers adult oncology while CPHON covers pediatric hematology-oncology. Read our comparison guide →
Related Resources
OCN Resource Hub
Planning Your OCN Preparation
Who this exam information is for
This page is for candidates considering or actively preparing for the OCN. Use the linked exam resources to understand the credential, organize preparation, and identify the official requirements that must be confirmed before applying.
What to verify before scheduling
- Current eligibility and application documentation
- Current examination blueprint and domain weights
- Fees, testing windows, identification, and accommodation rules
- Question format, time limit, scoring, and score-report process
- Retake, renewal, and continuing-education policies
A practical study strategy
Begin with the current official content outline. Rank every domain by both blueprint weight and personal confidence, then spend the most time where high weight and low confidence overlap. Use practice questions diagnostically: record the tested domain, why the correct answer is best, why each distractor is weaker, and what source resolves any uncertainty.
Strengths and limitations of this study guide
The Capra Academy guide is designed to combine structured review with practice and answer explanations, making it useful for identifying weak areas and rehearsing exam-style decisions. It is a study aid—not the certifying organization’s candidate handbook, not a guarantee of a passing result, and not a substitute for current official eligibility or policy information. Requirements can change, so follow the official sources linked throughout this resource cluster.