The 2022 version of the SEER Program Coding Manual is available on the SEER website, https://seer.cancer.gov/tools/codingmanuals/2022manual.html This manual applies to cases diagnosed January 1, 2022 and later. Continue using the 2021 manual for cases diagnosed through December 31, 2021.
A comprehensive change log is available here https://seer.cancer.gov/manuals/2022/SPCSM_2022_Changelog.pdf
Please let me know if there are any questions.
Margaret (Peggy) Adamo, BS, AAS, RHIT, CTR
Data Quality Team Lead, COR II
Data Quality, Analysis, and Interpretation Branch
Surveillance, Epidemiology, and End Results (SEER) Program
Surveillance Research Program
Division of Cancer Control and Population Sciences
National Cancer Institute
9609 Medical Center Drive, Room 4E336
Bethesda, MD 20892-9765