
Atrial Septal Defect
Atrial Septal Defect
📋Overview
Atrial septal defect (ASD) is a congenital heart defect characterized by an opening in the atrial septum, the wall separating the left and right atria. This allows abnormal blood flow between the atria. ASD is a well-recognized congenital cardiac anomaly with several subtypes based on the location and nature of the septal defect.
Medical codes (for reference)
UMLS CUI: C0018817ICD-10-CM
Q21.1Q21.10
MeSH
D006344
SNOMED CT (US)
70142008253366007405752007
Codes are provided for reference and interoperability. They are not a diagnosis.
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