Question: 20140012

Status


Final

Category


#1:   MP/H Rules
#2:   Histology
#3:   Breast


References


Source 1:   2007 MP/H Rules
pgs:  
Notes:  
Source 2:  
pgs:  
Notes:  


Question


MP/H Rules/Histology--Breast: What is the correct histology code for this final diagnosis of a breast tumor: INVASIVE POORLY DIFFERENTIATED DUCTAL CARCINOMA WITH SQUAMOUS DIFFERENTIATION (METAPLASTIC FEATURES)?

Discussion




Answer


Code the histology to 8575/3.

The instruction for coding duct and another non-duct histology not listed in Table 3 was inadverantly left out of the rules. The default is to code to the histology with the numerically higher ICD-O-3 code which is 8575/3.



History




Last Updated


02/05/2014

Date Finalized


08/08/2014