What is the OCN credential and who can sit for it?
OCN stands for Oncology Certified Nurse, the specialty credential awarded by the Oncology Nursing Certification Corporation. Eligibility requires a current unrestricted registered nurse licence together with a minimum period of nursing practice, a specified number of hours of oncology nursing practice within a defined recent window, and completion of oncology-specific continuing education or an academic elective. The examination spans the cancer care continuum: the scientific basis of cancer and its treatment, treatment modalities including surgery, radiation, chemotherapy, immunotherapy and targeted therapy, symptom management, oncologic emergencies, psychosocial care, survivorship and end-of-life care, and professional practice. Certification runs four years and is renewed through ONCC's points-based professional development route or by re-examination.
- OCN is the Oncology Nursing Certification Corporation's adult oncology nursing specialty credential.
- Eligibility combines an RN licence, minimum nursing practice, recent oncology practice hours and oncology-specific continuing education.
- The examination spans cancer biology, treatment modalities, symptom management, oncologic emergencies, survivorship and end-of-life care.
- Certification runs four years and renews through ONCC's points-based route or by re-examination.
OCN at a glance
| Cost | ONCC sets testing and renewal fees, with member rates through the Oncology Nursing Society, so check ONCC's current fee schedule |
| Duration | One timed examination; eligibility depends on accumulated oncology practice hours |
| Issued by | Oncology Nursing Certification Corporation (ONCC) |
| Format | Computer-based multiple-choice examination |
| Expiry | 4 years |
| Who needs it | Registered nurses practising in medical oncology, haematology, infusion, radiation oncology and inpatient cancer units |
| Eligibility | RN licence plus minimum nursing practice, recent oncology practice hours and oncology-specific continuing education |
| Renewal | ONCC's points-based professional development route or re-examination |
Sources: Oncology Nursing Certification Corporation (ONCC) · Oncology Nursing Society. Reviewed August 2026 by the GlobalCybers team.
OCN Exam Format and Eligibility Requirements
Three eligibility components, then one exam
ONCC gates the OCN on three things at once: an unrestricted RN licence, a minimum period of general nursing practice, and a specified number of oncology nursing practice hours within a recent window plus oncology-specific continuing education or an academic elective. Only then do you sit the examination, which is computer-based multiple choice covering the full cancer care continuum from the biology of malignancy through to survivorship and end-of-life care.
ONCC's credential family
What does OCN certification do for oncology nurses?
OCN is a specialty certification within the registered nurse occupation, so its effect runs through employer clinical ladders, certification differentials and eligibility for navigator, educator and research roles.
GlobalCybers reimburses certification fees after a successful permanent placement through our network.
What the OCN Exam Covers, Cancer Care Continuum
Cancer Biology & Staging
Carcinogenesis, tumour behaviour, staging and grading systems, and the diagnostics that determine treatment — the foundation the rest of the syllabus depends on.
Treatment Modalities
Cytotoxic chemotherapy, immunotherapy and targeted agents, radiation and surgical management, and the toxicity profile each carries. Immunotherapy toxicities in particular behave unlike traditional chemotherapy side effects.
Hazardous Drug Safety
Safe handling, preparation, administration and disposal of hazardous drugs, spill response and occupational exposure protection — a distinctive responsibility of oncology nursing.
Symptom Management
Nausea, mucositis, fatigue, neuropathy, myelosuppression and pain — assessing and managing the symptoms that determine whether a patient can complete treatment.
Oncologic Emergencies
Febrile neutropenia, tumour lysis syndrome, spinal cord compression, superior vena cava syndrome, hypercalcaemia and cytokine release — recognised early or not at all.
Psychosocial & Survivorship
Coping and distress screening, family and caregiver support, survivorship care planning, goals-of-care conversations and end-of-life care.
How do you become an Oncology Certified Nurse?
Accumulate oncology practice hours
ONCC requires a minimum period of general nursing practice plus a specified number of oncology nursing practice hours within a recent window. Nurses moving into oncology should track hours from the start, since the window is recency-based rather than cumulative over a whole career.
Complete the oncology-specific continuing education requirement
Eligibility also requires oncology-specific continuing education or an academic elective in oncology. Cancer centres commonly provide qualifying education internally, and the Oncology Nursing Society is a major source of it.
Verify current criteria and apply to ONCC
Requirements are set by the corporation and can be revised. Check the current eligibility statement directly before applying — the three-part gate means there are three ways to be surprised by an ineligibility finding.
Sit the exam and plan renewal early
Certification runs four years. Renewal is through ONCC's points-based professional development route, which recognises continuing education alongside other professional contributions, or by re-examination. Points accumulate more comfortably across the cycle than in its final year.
Voluntary, But Expected in Cancer Programmes
No state requires OCN to practise oncology nursing. Cancer programme accreditation standards, nursing excellence recognition and employer clinical ladders together make it an expectation in practice: accredited cancer programmes are examined on the qualifications and continuing education of their oncology staff, and cancer centres commonly fund certification for their nurses and track certification rates as a quality measure.
OCN, Frequently Asked Questions
OCN certified? Cancer centres are hiring.
Infusion, inpatient oncology and navigator roles look for certified nurses. Set your intent and let them find you.
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