The 2021 version of the SEER Program Coding and Staging Manual with all of the appendices is available on the SEER website:
Please note: The 2021 SEER Program Coding and Staging Manual is to be used for cases diagnosed January 1, 2021 and forward.
Please review the change log to see what has been changed for 2021.
Continue to use the 2018 SEER Program Coding and Staging Manual for cases diagnosed through December 31, 2020.
