NAACCR Implementation Guidelines and Recommendations
The NAACCR Implementation Guidelines and Recommendations provide cancer registries and software vendors with a plan to assist with the implementation of the NAACCR Data Standards and Data Dictionary (DS&DD) in a timely manner.
NAACCR 2026 Implementation Guidelines and Recommendations – Revised October 2025
- NAACCR 2025 Implementation Guidelines and Recommendations – revised January 2025
- NAACCR 2024 Implementation Guidelines and Recommendations – revised October 2023
- NAACCR 2023 Implementation Guidelines and Recommendations – January 2023
- NAACCR 2022 Implementation Guidelines and Recommendations – revised June 2022
- NAACCR 2021 Implementation Guidelines and Recommendations – revised February 2021
- NAACCR 2021 Implementation Guidelines and Recommendations – revised October 2020
- NAACCR 2018 Implementation Guidelines and Recommendations – revised November 2018
- What You Need to Know for 2017 – revised March 2017
- NAACCR 2016 Implementation Guidelines, Version 1.5 – revised June 2016
- NAACCR 2015 Implementation Guidelines – revised May 2015
- Specifications for Program to Convert Records from NAACCR Record Layout Version 14 to Version 15 – April 2015
- NAACCR 2013 Implementation Guidelines – August 2012
- NAACCR 2010 Implementation Guidelines – revised June 2010
- NAACCR 2007 Implementation Guidelines – revised December 2006
- NAACCR 2006 Implementation Guidelines – revised February 2006
- NAACCR 2004 Implementation Guidelines – revised November 2003/Errata February 2004
- NAACCR 2003 Implementation Guidelines – revised January 2003
v26 Implementation Reference
Below are links to key resources registries may find useful as they plan to transition to v25.
- NAACCR Implementation Guidelines
- NAACCR Data Standards and Data Dictionary – formerly Volume II
- NAACCR XML Dictionaries
- NAACCR v26 Edits Metafile – including Changes Spreadsheet Coming soon
- SEER Program Coding and Staging Manual – includes Summary of Changes
- Commission on Cancer STORE Manual
- Site Specific Data Items (SSDI) and Grade Manual v3.3 Coming soon
- AJCC Cancer Staging System
- SEER RSA (EOD, Summary Stage, SSDI’s, Grade) v3.3 Coming soon
- Summary Stage 2018 – includes revision history
- Extent of Disease (EOD) 2018 Manual – includes change log
- Solid Tumor Rules – includes summary and changes
- ICD O New histologies, terms, and changes in behavior
- Cancer PathCHART Morphology Validation List and Search tool
- Hematopoietic Manual and Database – see revision history on the left
- Surgery Codes and Surgery Code Crosswalks – no changes for 2026
