N64.9 is the ICD-10 code for Disorder of breast, unspecified. It is a four-character subcategory of N64 (Other disorders of breast), 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
N64.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
N64.9Uspesifisert tilstand i bryst
DN649Sygdom i mamma UNS
N64.9Määrittämätön rintarauhasen sairaus
N64.9Krankheit der Mamma, nicht näher bezeichnet
N64.9Affection du sein, sans précision
N64.9aandoening van mamma, niet-gespecificeerd
N64.9Disorder of breast, unspecified
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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