NAACCR Item #3422: Derived AJCC-7 M Descript

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3422 1 AJCC 2010 12
NAACCR XML: Tumor.derivedAjcc7MDescript
Alternate Names
  • Derived 7 M Descript Storage Code
Description
This item is the derived AJCC “M Descriptor” from coded fields using the CS algorithm. Effective for cases diagnosed 2010+.
Rationale
Derived AJCC-7 M Descript can be used in analysis to differentiate the timing of staging with respect to the treatment process.