SEER ProgramCoding and Staging Manual 2023Effective with Cases Diagnosed January 1,2023 and ForwardPublished September 2022January 2023 RevisionSEERData Quality,Analysis,and Interpretation BranchSurveillance Research ProgramDivision of Cancer Control and Population SciencesNational Institutes of HealthPublic Health ServiceU.S.Department of Health and Human ServicesSuggested citation:Adamo M,Groves C,Dickie L,Ruhl J.(September 2022).SEER Program Coding andStaging Manual 2023.National Cancer Institute,Bethesda,MD 20892.U.S.Department of Health and Human Services National Institutes of Health NationalCancer Institute
