N60.4 is the ICD-10 code for Mammary duct ectasia. It is a four-character subcategory of N60 (Benign mammary dysplasia), the most specific level in the WHO edition. It belongs to the block N60–N64 (Disorders of breast) in Chapter XIV, Diseases of the genitourinary system.
- Code type
- Subcategory (4 characters)
- Chapter
- XIV · N00–N99
- Classification
- WHO ICD-10, 2019 version
N60.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
N60.4Melkegangsektasi
DN604Ectasia ductus mammae
N60.4Maitorauhastiehyeen laajentuma
N60.4Ektasie der Ductus lactiferi
N60.4Ectasie des canaux galactophores
N60.4ectasie van melkgang
Listed through more specific codes:
- N60.41Mammary duct ectasia of right breast
- N60.42Mammary duct ectasia of left breast
- N60.49Mammary duct ectasia of unspecified 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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