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Who we are.
ONCC is a non-profit organization that provides certification in oncology nursing. Our mission is to promote excellence in patient care and professional practice by validating specialized knowledge in oncology nursing and related specialties.

Are you already approved to test?
Make a test appointment by clicking on Schedule My Test above.

Learn more. Apply for a test.
Visit the ONCC website to learn about the right certification for you, including:

  • Oncology Certified Nurse (OCN®)
  • Certified Pediatric Hematology Oncology Nurse (CPHON®)
  • Blood and Marrow Transplant Certified Nurse (BMTCN®)
  • Certified Breast Care Nurse (CBCN®)
  • Advanced Oncology Certified Nurse Practitioner (AOCNP®)
  • Advanced Oncology Certified Clinical Nurse Specialist (AOCNS®)

Take a Practice Test.
ONCC offers Practice Tests – including a free Practice Test for each credential. It’s a great way to assess your readiness or become familiar with the format of ONCC test items.

Why should you be certified?

  • 88% of certified nurses say certification increased their confidence
  • 90% of nurse managers prefer to hire a certified nurse when other factors are equal
  • 97% of nurses say certification provides personal satisfaction


Schedule an exam on Prometric’s website 24/7.