ODS Exam Prep Publications

NCRA offers several publications to assist candidates with preparing for and taking the ODS Exam. The NCRA Study Guide for the ODS Exam, 2025 Edition (Available January 2025) is a great resource to use in conjunction with the Cancer Registry Management: Principles and Practices for Hospitals and Central Registries, Fourth Edition. For all exam resources, visit the ODS Exam website.

Special Note: NCRA has changed the name of its credential. Oncology Data Specialist (ODS) is the new name for the Certified Tumor Registrar (CTR) credential. Please note that any reference to the Certified Tumor Registrar (CTR) credential should be understood to be the Oncology Data Specialist (ODS) credential. For more information regarding the name change see the ODS Name Change.

Study Guide for ODS Exam: 2025 Edition 

NCRA has revised its popular study guide to reflect the changes to the 2025 ODS exam. The guide begins with a review of the Core Knowledge required of all cancer registrars, including the principles of oncology and the body’s systems. The remaining chapters are organized by critical cancer registry subjects and contain basic information on these important topic areas. There are five case studies that include answers and rationales.

 Member price: $99; Non-member price: $119

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