Solid Tumor Rules: 2023 Other Sites Rules Posted

  • 1.  Solid Tumor Rules: 2023 Other Sites Rules Posted

    Posted 12-05-2022 09:17 AM

    Solid Tumor Rules: 2023 Other Sites Available


    The 2023 Other Sites Rules have undergone comprehensive revisions and have been posted on the SEER Website. The 2023 consolidated pdf is now available for download for use beginning with cases diagnosed 1/1/2023 forward.


    IMPORTANT INFORMATION: The Solid Tumor Rules Editors strongly recommend reading through the entire Solid Tumor Other Sites module prior to using. The other sites rules now align with the other solid tumor site modules, however, there are some differences:

    •         New site based M and H rules have been added to address changes in clinical practice 

    •         Histology tables for the majority of site groups covered by Other Sites Solid Tumor Rules have been  

                  added as histology coding reference tools. It is important to read the information provided in each  

                  table to use the tables correctly as some additional histology  coding instructions are included in

                  select tables


    The updated Solid Tumor Rules may be accessed at:



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