Registration is not required to download the documentation.
- TextData.Readme.txt (TXT, 8 KB) - a list and description of the ASCII text data files.
- Case Counts in the ASCII Text Data Files (PDF, 106 KB)
- SAS Code to Read ASCII Text Data Files (SAS, 12 KB)
- SEER Research Data Record Description (PDF, 1.2 MB) - data dictionary for 1973-2015 SEER incidence data files
- Data Dictionary for the Population Data Files - variable locations, file formats, and codes
- Population Estimates Used in SEER*Stat - methodologic discussion
- SEER Extent of Disease 1988 (PDF, 656 KB) - codes and coding instructions
- SEER Site Recode ICD-O-3
- International Classification of Childhood Cancer (ICCC)
- Primary Sites for which SEER Requires Laterality Information (PDF, 27 KB)
- County Codes (PDF, 103 KB)
- SEER Geo-Codes for Coding Place of Birth (PDF, 47 KB)
- Site-Specific Surgery Codes:
- Two-Digit (1983-1997) (PDF, 91 KB)
- 1998-2002 (PDF, 204 KB)
- 2003+ - See Appendix C on the Historical Staging and Coding Manuals
- Race and Ethnicity Variable Changes
- Localized/Regional/Distant Stage Adjustment (SEER Historic and Summary stage variables)
Please send questions or comments to: seerweb@imsweb.com