SEER Program Coding and Staging Manual 2023
Updated January 17, 2023

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.

Other Manuals

• Staging Resources
• Historical Staging and Coding Manuals

See the SEER Research Data pages to find out how to access the SEER data.