Alternate Name Item# Length Source of Standard Column #
419 5 545-549

Description
The name for a group of subfields describing the type and behavior of the tumor being reported using
ICD-O-2 codes.

Group names appear only in the data dictionary and Appendix E.

Subfields
Histology (92-00) ICD-O-2 [420]
Behavior (92-00) ICD-O-2 [430]