SEER Inquiry System - Question 20000852 Details

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Question 20000852

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Inquiry Details

References:

#1: Coding Complex Morph Dx's, 2. Rule 2C (Revised August 2002)

#2: 2004 SEER Manual, 86-87

Question:

Histology (Pre-2007)/Grade, Differentiation: What code is used to represent the histology "cystadenocarcinoma with multiple foci of high grade anaplastic and undifferentiated sarcoma"? See discussion.

Discussion:

The case was presented at tumor conference. The physicians indicated that the patient would not have the same disease course as a patient with cystadenocarcinoma of the ovary. The physicians advised the use of a mixed histology code. However, there is no appropriate mixed histology code for cystadenocarcinoma, anaplastic carcinoma, and sarcoma. It doesn't seem as though these cases should be grouped and analyzed with cases having a single histology of cystadenocarcinoma.

Answer:

For tumors diagnosed prior to 2007:

Code the Histology and Grade, Differentiation fields to 8440/34 [cystadenocarcinoma, anaplastic] because a combination code for the specified histologic type does not exist.

For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.

Cancer Site Category:

N/A

Data Item Category:

Histology

Other Category:

N/A

Year:

2000