Q83.1 is the ICD-10 code for Accessory breast. It is a four-character subcategory of Q83 (Congenital malformations of breast), the most specific level in the WHO edition. It belongs to the block Q80–Q89 (Other congenital malformations) in Chapter XVII, Congenital malformations, deformations and chromosomal abnormalities.
- Code type
- Subcategory (4 characters)
- Chapter
- XVII · Q00–Q99
- Classification
- WHO ICD-10, 2019 version
What Q83.1 includes
Conditions and terms that are coded here.
- Supernumerary breast
Q83.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q83.1Aksessorisk bryst
DQ831Mamma accessoria
Q83.1Ylilukuinen rintarauhanen
Q83.1Akzessorische Mamma
Q83.1Sein surnuméraire
Q83.1accessoire mamma
Q83.1Accessory breast
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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