Q83 is the ICD-10 code for Congenital malformations of breast. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block Q80–Q89 (Other congenital malformations) in Chapter XVII, Congenital malformations, deformations and chromosomal abnormalities.
- Code type
- Category (3 characters)
- Chapter
- XVII · Q00–Q99
- Classification
- WHO ICD-10, 2019 version
What Q83 excludes
Conditions that look similar but belong under another code.
- absence of pectoral muscle Q79.8
Subcodes of Q83
Q83 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DQ83Medfødte misdannelser af mamma
Q83Synnynnäiset rintarauhasen epämuodostumat
Q83Angeborene Fehlbildungen der Mamma [Brustdrüse]
Q83Malformations congénitales du sein
Q83congenitale misvormingen van mamma
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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