SEER Inquiry System - Question 20031184 Details

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Produced: 09/10/2025 12:05 AM

Question 20031184

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Inquiry Details

References:

2024 SEER Manual

Question:

Surgery of Primary Site--Breast: How is this field coded when a patient has a reduction mammoplasty (for macromastia) and within the pathology specimen there is an incidental finding of carcinoma?

Discussion:

Answer:

Code this reduction mammoplasty to the code which best fits the amount of tissue removed. Read the operative report carefully. Code as a partial mastectomy, skin- nipple- areola-sparing mastectomy, or total (simple) mastectomy. Use text fields to record the details.

History:

Code this reduction mammoplasty to 20, 21 or 30, depending on whether or not there was a nipple resection. According to our surgical consultant, a reduction mammoplasty is more like a partial mastectomy than a lumpectomy or other breast surgery.

Cancer Site Category:

Breast

Data Item Category:

Surgery of Primary Site

Other Category:

N/A

Year:

2003