OCN Exam Content Outline Explained
Published 2026-10-31 · Facts and text checked 2026-10-16 · Questions from our OCN study guide · Reviewed by Hana N., Quality Reviewer
The 2026 OCN test content outline has six weighted areas: Care Continuum 14%, Oncology Nursing Practice 15%, Treatment Modalities 20%, Symptom Management and Supportive Care 25%, Oncologic Emergencies 16% and Psychosocial Dimensions of Care 10%. It is based on a 2020 role delineation study of adult oncology nursing practice.
Use the weights to plan your time: the two largest areas, symptom management and treatment modalities, are 45% of the test together.
I. Care Continuum (14%)
- Health promotion and disease prevention
- Screening and early detection
- Navigation and coordination of care
- Palliative care considerations
- Advance care planning
- Epidemiology
- Survivorship
- End-of-life care
Practice: The Care Continuum questions
II. Oncology Nursing Practice (15%)
- Scientific basis (carcinogenesis, immunology, clinical trials, genomic and genetic testing)
- Site-specific cancer considerations (pathophysiology, diagnostics, metastatic sites, staging, performance status)
- Scope and standards of professional practice
Practice: Oncology Nursing Foundations questions
III. Treatment Modalities (20%)
- Surgical and procedural interventions
- Blood and marrow transplant
- Radiation therapy
- Systemic therapy
- Localized therapy
- Targeted therapies
- Oral therapies
Practice: Surgical and Radiation Oncology questions, Systemic Therapies questions
IV. Symptom Management and Supportive Care (25%)
- Anatomical and surgical alterations
- Vascular access devices
- Pharmacologic interventions
- Complementary and integrative modalities
- Alterations in system functioning
- Nutrition
- Pain management
Practice: Pain, Fatigue and GI Symptoms questions, Hematologic and Skin Toxicities questions
V. Oncologic Emergencies (16%)
- DIC
- SIADH
- Sepsis
- Tumor lysis syndrome
- Hypersensitivity and anaphylaxis
- Hypercalcemia
- Cardiac tamponade
- Spinal cord compression
- Superior vena cava syndrome
- Increased intracranial pressure
- Obstructions, pneumonitis, extravasation
- Immune-related adverse events
- Venous thromboembolism
Practice: Oncologic Emergencies questions
VI. Psychosocial Dimensions of Care (10%)
- Cultural, spiritual and religious diversity
- Altered body image
- Learning preferences and barriers
- Social and family dynamics
- Coping mechanisms
- Support for patients and caregivers
- Psychosocial distress
Source: ONCC 2026 OCN Test Content Outline (checked 2026-10-16). The outline comes from a 2020 role delineation study of adult oncology nursing practice.
| Fact | Value and source |
|---|---|
| Exam body | Oncology Nursing Certification Corporation (ONCC)ONCC: Oncology Certified Nurse (OCN) · checked 2026-10-12 |
| Number of questions | 165 questions (145 scored, 20 unscored)ONCC: 2026 Test Registration Manual · checked 2026-10-23 |
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