

Site: All Sites
Implement from diagnosis date:
Agreed by: UKACR EC
Date agreed by: 22/11/2000
Confirmed by CRCG: 04/04/2001
The behaviour and morphology codes specified in the matrix system of ICD-O reflect the behaviour code that "most pathologists believe is the usual behaviour". However, you must change the behaviour if the behaviour stated by the pathologist is different.