Oncology Data Specialist (ODS) / Certified Tumor Registrar (CTR) Exam
The ODS (formerly CTR) certification exam tests competency in cancer registry operations, data identification, coding, abstraction, and legal/ethical standards for oncology data professionals. It is administered by the National Cancer Registrars Association (NCRA).
30
Questions
35 min
Time Limit
70%
To Pass
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Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds