ICD-10 diagnosis code
Q20.9 Congenital malformation of cardiac chambers and connections, unspecified
Q20.9 is the ICD-10 code for Congenital malformation of cardiac chambers and connections, unspecified. It is a four-character subcategory of Q20 (Congenital malformations of cardiac chambers and connections), 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
Q20.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q20.9Medfödd missbildning av hjärtats kamrar och förbindelser, ospecificerad
Q20.9Uspesifisert medfødt misdannelse i hjertets kamre eller forbindelser
DQ209Medfødt misdannelse af hjertekamre UNS
Q20.9Määrittämätön synnynnäinen sydämen lokeroiden ja/tai yhteyksien epämuodostuma
Q20.9Angeborene Fehlbildung der Herzhöhlen und verbindender Strukturen, nicht näher bezeichnet
Q20.9Malformation congénitale des cavités et des orifices cardiaques, sans précision
Q20.9congenitale misvorming van hartcompartimenten en verbindingen,
Q20.9Congenital malformation of cardiac chambers and connections, 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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