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LA89.3 Hypoplastic left heart syndrome

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

A spectrum of congenital cardiovascular malformations with normally aligned great arteries without a common atrioventricular junction, characterised by underdevelopment of the left heart with significant hypoplasia of the left ventricle including atresia, stenosis, or hypoplasia of the aortic or mitral valve, or both valves, and hypoplasia of the ascending aorta and aortic arch.

synonyms

• Hypoplastic left heart syndrome
• hypoplasia of the left heart
• left heart hypoplasia syndrome
• HLHS - [hypoplastic left heart syndrome]
• hypoplasia of aortic valve, in hypoplastic left heart syndrome
• atresia of mitral valve, in hypoplastic left heart syndrome
• atresia or marked hypoplasia of aortic orifice or valve, with hypoplasia of ascending aorta and defective development of left ventricle
• atresia or marked hypoplasia, of aortic orifice or valve, with hypoplasia of ascending aorta and defective development of left ventricle with mitral valve atresia
• aortic valve atresia, in hypoplastic left heart syndrome
• ascending aorta hypoplasia, in hypoplastic left heart syndrome

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