ICD-O3 Summary of Changes in 2018

ICD-O3 Changes

By Jennifer Rohleder BS CTR
SME for Oncology Data Management and Education

The 2018 ICD‐O‐3 Update Guidelines includes comprehensive tables listing all changes to ICD‐O‐3 effective for cases diagnosed 1/1/2018 forward. Not covered in the 2018 update includes reportability of GIST and histology codes with terms that include the words “high grade neoplasia” or “high grade dysplasia” or “severe dysplasia” in digestive system sites.

At this time, WHO has no plans to release either an updated ICD‐O‐3 or ICD‐O‐4  manual. The Work Group recommends using the 2018 ICD‐O‐3 Histology and Behavior Code Update tables jointly with ICD‐O‐3 and Hematopoietic and Lymphoid Neoplasm Database, and Solid Tumor (MP/H) rules.

ICD-O-3 updates can be found posted on the NAACCR web site, on the 2018 Data Changes page.  The documents can then be saved to your desktop or printed. A link to the tables will also be posted on SEER.cancer.gov (https://seer.cancer.gov/registrars/index.html).

North American Association of Central Registries, Inc.  Guidelines for ICD-O-3 Histology Code and Behavior Update Implementation  Effective January 1, 2018
From: https://20tqtx36s1la18rvn82wcmpn-wpengine.netdna-ssl.com/wp-content/uploads/2018/01/Updated-Jan-10-2018-ICD-O-3-Guidelines-v2.pdf

 

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