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LA87.3 Common atrioventricular junction without an atrioventricular septal defect

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

A congenital cardiac malformation in which there is a common atrioventricular junction without any communication at the level of the atrioventricular septum. Additional information: this code should be used when there is a trifoliate left atrioventricular valve in the setting of a common atrioventricular junction with evidence of obliteration of the atrioventricular septal defect by valve or subvalvar tissue. This should be distinguished from a 'True cleft of anterior mitral leaflet', without evidence of a common atrioventricular junction. Additional defects in the atrial or ventricular septums that do not involve the atrioventricular septum are not excluded by this term and should be coded separately.

synonyms

• Common atrioventricular junction without an atrioventricular septal defect
• atrioventricular septal defect with intact septal structures
• atrioventricular septal defect with intact atrioventricular septal structures

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