The 2021 Guidelines for ICD-O-3 Histology Code and Behavior Update for cases diagnosed 1/1/2021 forward have been released and are now available on the NAACCR website. The update includes links to tables listing new codes and other changes are now posted. A link to ICD-O-3.2 is also included in the update. The NAACCR ICD-O-3 Implementation Work Group highly recommends all users read the guidelines which contain valuable information related to the 2021 update.
Chair, NAACCR ICD-O-3 Implementation Work Group