Casefinding Lists

Use the casefinding lists to screen prospective cases and identify cancer cases for inclusion in the registry.

SEER Program Coding and Staging Manual

The 2021 manual includes data item descriptions, codes, and coding instructions for cases diagnosed January 1, 2021 through December 31, 2021 as reported by SEER registries. The 2022 manual includes data item descriptions, codes, and coding instructions for cases diagnosed January 1, 2022 and forward as reported by SEER registries.

Hematopoietic Project

This site provides data collection rules for hematopoietic and lymphoid neoplasms for 2010+.

ICD-O-3 Coding Materials

This site/type list is provided in both PDF and Excel formats.

Solid Tumor Rules

The September 2021 Update includes changes that apply to cases diagnosed January 1, 2022 and after.

Historical Staging and Coding Manuals

These manuals are historical coding instructions. The files on this page are archived and provided for reference purposes only.

Grade Coding Instructions 2014

These instructions are valid for cases diagnosed through December 31, 2017 for CoC, SEER, and NPCR.

SEER Data Submission Requirements

Current guidelines and required SEER data items for the annual data submissions.

COVID-19 Abstraction Guidance

Technical guidance regarding the implementation of COVID-19 data abstraction.