SEER Inquiry System - Question 20110090 Details

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Produced: 10/05/2025 8:07 PM

Question 20110090

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Inquiry Details

References:

#1: ICD-O-3

#2: 2007 MP/H Rules

Question:

MP/H Rules/Histology/Behavior--Ovary: How are these fields coded for a 20 cm borderline mucinous tumor with a 0.3 cm minor focus of intraepithelial carcinoma of the ovary that the pathologist stages as T1a?

Discussion:

Answer:

According to the MP/H rules, code histology to 8010/2 [intraepithelial carcinoma] for cases diagnosed 2007-2014. Borderline mucinous tumor is not reportable to SEER.

The steps used to arrive at this decision are:

Go to the Other Sites Histo rules found in the Multiple Primary and Histology Coding Rules Manual.

Start at the SINGLE TUMOR: IN SITU ONLY module, rule H1. Code the histology when only one histologic type is identified. The only reportable histology in this case is intraepithelial carcinoma [8010/2].

Cancer Site Category:

Ovary

Data Item Category:

Histology, Behavior

Other Category:

N/A

Year:

2011