SEER Inquiry System - Question 20081046 Details

System Guide

Back to Search Results

SEER Inquiry System - Report

Produced: 10/18/2025 4:48 PM

Question 20081046

Export CSV Export PDF Print

Add to Report

Inquiry Details

References:

#1: ICD-O-3

#2: 2007 SEER Manual, C-1065. Appendix C

Question:

MP/H Rules--Corpus uteri: How is histology coded for an endometrial tumor described as an "endometrioid adenocarcinoma with prominent squamous metaplasia"?

Discussion:

Answer:

For cases diagnosed 2007 or later:

Endometrioid adenocarcinoma with squamous metaplasia is coded 8570 [Adenocarcinoma with squamous metaplasia]. This falls under the Histology Coding Rules for Other Sites, rule H17. The code for Endometroid adenocarcinoma is 8380. The code for Adenocarcinoma with squamous metaplasia is 8570. The histology with the numerically higher ICD-O-3 code is Adenocarcinoma with squamous metaplasia -- 8570.

Cancer Site Category:

Corpus uteri

Data Item Category:

N/A

Other Category:

N/A

Year:

2008