The final 2018 Solid Tumor General Instructions have been posted and may now be used only for those sites updated for 2018 and diagnosed 1/1/2018 forward. The exception is Cutaneous Melanoma and Other Sites; the 2007 Multiple Primary and Histology Coding General Instructions still apply to these two site groups. DO NOT USE the 2018 General Instructions for Cutaneous Melanoma tumors AND tumors covered in Other Sites. Using the 2018 Solid Tumor General Instructions for these site groups will result in histology coding errors.
The final 2018 Solid Tumor Colon Rules
have been posted and now may be used for cases diagnosed 1/1/2018 forward. IMPORTANT INFORMATION: Major changes have been made to the 2018 Colon rules regarding new tumors in anastomosis sites and histology coding in polyps. The editors of the 2018 Colon rules strongly recommend you read the Colon Terms & Definitions, M rules, and H rules as they provide detailed information and coding instructions for the rules specific to anastomosis recurrence and polyp histology.
The final 2018 Solid Tumor Lung Rules
have been posted and now may be used for cases diagnosed 1/1/2018 forward. IMPORTANT INFORMATION: Major changes have been made to the 2018 Lung rules regarding histology coding. These comprehensive changes reflect the WHO 4th Ed Tumors of Lung and the 2018 Lung CAP Protocol. The editors of the 2018 Lung rules strongly recommend you read the Lung Terms & Definitions AND the Lung H Rules as they provide detailed instructions for coding lung histologies.
