Organization

Field Name

ID

Required

KCR

Behavior Code (ICD-O-2) (ICDO2BehaviorCode)

30120

yes

NAACCR

Behavior (92-00) ICD-O-2

430

yes


Field Length:  1

This field is only completed for cases diagnosed prior to January 1, 2001. The fifth digit of the ICD-O-2 morphology code is the behavior code.  Record the behavior of the tumor being reported