SEER Inquiry System - Question 20110120 Details

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SEER Inquiry System - Report

Produced: 12/13/2025 6:25 AM

Question 20110120

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Inquiry Details

References:

2011 SEER Manual

Question:

Surgery of Primary Site--Breast: How is this field coded for a BILATERAL nipple sparing mastectomy given that SINQ 20110094 indicates that a nipple sparing mastectomy should be coded to 30 [subcutaneous mastectomy] but there is no code for bilateral subcutaneous mastectomies?

Discussion:

Answer:

The Surgery of Primary Site field reflects the type of surgery performed on the primary site. In this case, a nipple sparing mastectomy should be coded to 30 [subcutaneous mastectomy]. If the details of the case indicate this is a single primary involving both breasts, code removal of involved contralateral breast under the data item Surgical Procedure/Other Site.

Cancer Site Category:

Breast

Data Item Category:

Surgery of Primary Site

Other Category:

N/A

Year:

2011