Q20.4 is the ICD-10 code for Double inlet ventricle. 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
What Q20.4 includes
Conditions and terms that are coded here.
- Common ventricle
- Cor triloculare biatriatum
- Single ventricle
Q20.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q20.4Dobbelt innløp til hjertekammer
DQ204Ventriculus cordis communis
Q20.4Kahden sisäänvirtausaukon sydänkammio
- Q20.40Kahden sisäänvirtausaukon vasen kammio
- Q20.41Kahden sisäänvirtausaukon oikea kammio
- Q20.48Yksikammioinen sydän
Q20.4Doppeleinstromventrikel [Double inlet ventricle]
Q20.4Ventricule à double issue
Q20.4ventrikel met dubbele ingang
Q20.4Double inlet ventricle
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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