SEER Inquiry System - Question 20031130 Details

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Produced: 09/11/2025 1:44 AM

Question 20031130

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Inquiry Details

References:

#1: ICD-O-3, 54, 58

#2: AFIP Atlas of Tumor Path, 2. Melanocytic Tumors of the Skin

Question:

Primary site--Melanoma: Should melanoma of the nipple be coded to C50.0 [Nipple] or C44.5 [Skin of the trunk]?

Discussion:

Answer:

Code to C44.5 [skin of trunk]. External melanoma is an epidermal malignancy, beginning in melanocytes in the basal layer of the epidermis. C50.0 excludes skin of breast.

Cancer Site Category:

Melanoma

Data Item Category:

Primary site

Other Category:

N/A

Year:

2003