The 2023 Guidelines for ICD-O-3 Histology Code and Behavior Update for cases diagnosed 1/1/2023 forward have been released and are now available on the NAACCR website. The update includes tables listing new codes, terminology, and behavior changes and is available in .pdf format. The update also includes the annotated ICD-O-3.2. Excel document and addendum to the 2022 ICD-O Update. The NAACCR ICD-O-3 Implementation Work Group highly recommends all users read the guidelines which contain valuable information related to reportable CNS tumors 2023 update.
Chair, NAACCR ICD-O-3 Implementation Work Group
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