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Data Standards and Data Dictionary

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Suggested citation

Thornton ML, (ed). Standards for Cancer Registries Volume II: Data Standards and Data Dictionary, Version 24, 25th ed. Springfield, Ill.: North American Association of Central Cancer Registries, July 2023. Rev. July 2023, Aug. 2023, Oct. 2023, Feb 2024, Mar 2024.


We are very grateful to the members of NAACCR's Uniform Data Standards Work Group for their dedication and the many hours contributed to prepare this document.

Funding for this project was made possible in part by a contract with Federal funds from the National Cancer Institute, National Institutes of Health, Department of Health & Human Services under Contract number 75N91021D00018 / 75N91021F00001. Additionally, funding for this project was made possible in part by a cooperative agreement with Federal funds from the Centers for Disease Control and Prevention Cooperative Agreement number 5NU58DP006458. Its contents are solely the responsibility of the authors and do not necessarily represent the official views of the NCI and CDC. The NAACCR Standardization and Registry Development Steering Committee adopted these standards in July 2023.