ICD-10 diagnosis code
Q23.9 Congenital malformation of aortic and mitral valves, unspecified
Q23.9 is the ICD-10 code for Congenital malformation of aortic and mitral valves, unspecified. It is a four-character subcategory of Q23 (Congenital malformations of aortic and mitral valves), the most specific level in the WHO edition. It belongs to the block Q20–Q28 (Congenital malformations of the circulatory system) in Chapter XVII, Congenital malformations, deformations and chromosomal abnormalities.
- Code type
- Subcategory (4 characters)
- Chapter
- XVII · Q00–Q99
- Classification
- WHO ICD-10, 2019 version
Q23.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q23.9Medfödd missbildning av aortaklaff och mitralisklaff, ospecificerad
Q23.9Uspesifisert medfødt misdannelse i aortaklaff eller mitralklaff
DQ239Medfødt misdannelse af aorta- eller mitralklap UNS
Q23.9Määrittämätön synnynnäinen aorttaläpän ja/tai hiippaläpän epämuodostuma
Q23.9Angeborene Fehlbildung der Aorten- und Mitralklappe, nicht näher bezeichnet
Q23.9Malformation congénitale des valvules aortique et mitrale, sans précision
Q23.9congenitale misvorming van aorta- en mitraliskleppen, niet-gespecificeerd
Q23.9Congenital malformation of aortic and mitral valves, 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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