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ALL MEDICAL CODES IN CATEGORY Q20-Q28 (Congenital malformations of the circulatory system)

2025 ICD-10-CM code Q23.2

Congenital mitral stenosis; a narrowing of the mitral valve present at birth.

2025 ICD-10-CM code Q22.8

Other congenital malformations of the tricuspid valve.

2025 ICD-10-CM code Q20.9

Unspecified congenital malformation of cardiac chambers and connections.

2025 ICD-10-CM code Q20.1

Double outlet right ventricle; also known as Taussig-Bing syndrome.

2025 ICD-10-CM code Q25.21

Interruption of aortic arch; Atresia of aortic arch.

2025 ICD-10-CM code Q26.4

Anomalous pulmonary venous connection, unspecified.

2025 ICD-10-CM code Q23.4

Hypoplastic left heart syndrome (HLHS) is a critical congenital heart defect where the left side of the heart is underdeveloped.

2025 ICD-10-CM code Q25.71

Coarctation of the pulmonary artery.

2025 ICD-10-CM code Q20.6

Isomerism of atrial appendages is a congenital heart defect where the heart's upper chambers (atria) did not develop normally, resulting in mirror-image atria.

2025 ICD-10-CM code Q21

Congenital malformations of cardiac septa.

2025 ICD-10-CM code Q24.1

Levocardia is a congenital heart anomaly where the apex of the heart points to the left.

2025 ICD-10-CM code Q25

Congenital malformations of the great arteries.

2025 ICD-10-CM code Q27.9

Congenital malformation of the peripheral vascular system, unspecified.

2025 ICD-10-CM code Q28.0

Arteriovenous malformation of precerebral vessels; a congenital anomaly where abnormal connections exist between arteries and veins in the vessels supplying the brain.

2025 ICD-10-CM code Q24.4

Congenital subaortic stenosis is a narrowing of the aortic valve located below the aortic valve.

2025 ICD-10-CM code Q20.2

Double outlet left ventricle:Both the aorta and pulmonary artery originate from the left ventricle.

2025 ICD-10-CM code Q25.40

Congenital malformation of the aorta, unspecified.

2025 ICD-10-CM code Q27.31

Arteriovenous malformation of a vessel in the upper limb.

2025 ICD-10-CM code Q20.4

Double inlet ventricle; a congenital heart defect where both atria connect to a single ventricle.

2025 ICD-10-CM code Q23.0

Congenital stenosis of the aortic valve, a narrowing of the aortic valve present at birth.

2025 ICD-10-CM code Q25.46

Tortuous aortic arch; persistent convolutions of the aortic arch.

2025 ICD-10-CM code Q24.2

Cor triatriatum is a rare congenital heart defect characterized by an extra chamber in the heart.

2025 ICD-10-CM code Q20.5

Discordant atrioventricular connection, a congenital heart defect.

2025 ICD-10-CM code Q25.29

Other atresia of aorta

2025 ICD-10-CM code Q23

Congenital malformations of the aortic and mitral valves.

2025 ICD-10-CM code Q26.2

Total anomalous pulmonary venous connection (TAPVC).

2025 ICD-10-CM code Q25.41

Absence and aplasia of the aorta.