Q21.2 is the ICD-10 code for Atrioventricular septal defect. It is a four-character subcategory of Q21 (Congenital malformations of cardiac septa), 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 Q21.2 includes
Conditions and terms that are coded here.
- Common atrioventricular canal
- Endocardial cushion defect
- Ostium primum atrial septal defect (type I)
Q21.2 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q21.2Atrioventrikulær septumdefekt
DQ212Atrioventrikulær septumdefekt
Q21.2Eteis-kammioväliseinän puutokset
- Q21.20Primum -tyyppinen eteisväliseinän aukko
- Q21.21Eteis-kammioväliseinäaukko
- Q21.28Muu eteis-kammioväliseinän puutos
- Q21.29Määrittämätön eteis-kammioväliseinän puutos
Q21.2Defekt des Vorhof- und Kammerseptums
Q21.2Communication auriculoventriculaire
Q21.2atrioventriculair septumdefect
Listed through more specific codes:
- Q21.20Atrioventricular septal defect, unspecified as to partial or complete
- Q21.21Partial atrioventricular septal defect
- Q21.22Transitional atrioventricular septal defect
- Q21.23Complete atrioventricular septal defect
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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