CRGC News Broadcast
June 27, 2019
Updates: SEER Site/Histology Validation List

The ICD-O-3 SEER Site/Histology Validation List has been updated. The site/type list is provided in both PDF and Excel format and can be accessed at the following site:

Note: The Site/Histology List is not intended to be used for casefinding or to determine reportability.
This file is intended as a reference file for ICD-O-3 only and is not to be used for casefinding purposes. The ICD-O-3 site/type validation program was modified to allow only for the site/histology/behavior combinations listed in this publication. All other cases must be reviewed. 

Please submit any comments or questions about this document to: Ask A SEER Registrar at the following link: 

If you have questions or concerns regarding any of the content of this CRGC News Broadcast please contact me .   

Mignon Dryden, CTR
Director, E-Reporting
Cancer Registry of Greater California