Item #	Length	Source of Standard	Year Implemented	Version Implemented	Year Retired	Version Retired
815	15	SEER	2018	18

NAACCR XML: Tumor.derivedEod2018N

Description

This item stores the derived EOD 2018 N staging element from coded fields using the EOD algorithm. Effective for cases diagnosed 1/1/2018+.

Rationale

Derived EOD 2018 N can be used to evaluate disease spread at diagnosis, treatment patterns and outcomes over time.

Derived EOD 2018 N is only available at the central registry level.

Codes: See the most current version of EOD (https://staging.seer.cancer.gov/) for rules and site-specific codes and coding structures.