The 2023 manual is to be used for cases diagnosed January 1, 2023 and forward.
- SEER Program Coding and Staging Manual 2023 (PDF, 1.8 MB) (updated November 1, 2022)
- Appendix A - County Codes (PDF, 492 KB)
- Appendix B - Country and State Codes (PDF, 420 KB)
- Appendix C - Site Specific Coding Modules
- Appendix D - Race and Nationality Descriptions (PDF, 218 KB)
- Appendix E - Reportable and Non-reportable Examples: PDF (PDF, 174 KB) or Excel (XLSX, 25 KB)
- Summary of Changes (September 2022) (PDF, 401 KB) - provides the list of changes included in this release.
See the SEER Research Data pages to find out how to access the SEER data.