Alternate Name Item # Length Source of Standard Column #
CS Metastasis at Diagnosis
2850 2 AJCC 996 - 997
Description
Identifies the distant site(s) of metastatic involvement at time of diagnosis.
Rationale
The presence of metastatic disease at diagnosis is an independent prognostic indicator, and it is used by Collaborative Staging to derive TNM-M codes and SEER Summary Stage codes.
Codes (See the most current version of the Collaborative Stage Data Collection System (http://cancerstaging.org),13 for rules and site-specific codes and coding structures.)