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ICD-10-CM Codes Q00-Q99 Q20-Q28

Section Q20-Q28 Congenital malformations of the circulatory system Q20-Q28

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( Q10-Q18 )

( Q30-Q34 )

Code List:

Q20

Code hierarchy

Q20 Congenital malformations of cardiac chambers and connections
- Q20.0 Common arterial trunk
- Q20.1 Double outlet right ventricle
- Q20.2 Double outlet left ventricle
- Q20.3 Discordant ventriculoarterial connection
- Q20.4 Double inlet ventricle
- Q20.5 Discordant atrioventricular connection
- Q20.6 Isomerism of atrial appendages
- Q20.8 Other congenital malformations of cardiac chambers and connections
- Q20.9 Congenital malformation of cardiac chambers and connections, unspecified

Congenital malformations of cardiac chambers and connections

Q21

Code hierarchy

Q21 Congenital malformations of cardiac septa
- Q21.0 Ventricular septal defect
- Q21.1 Atrial septal defect
  - Q21.10 Atrial septal defect, unspecified
  - Q21.11 Secundum atrial septal defect
  - Q21.12 Patent foramen ovale
  - Q21.13 Coronary sinus atrial septal defect
  - Q21.14 Superior sinus venosus atrial septal defect
  - Q21.15 Inferior sinus venosus atrial septal defect
  - Q21.16 Sinus venosus atrial septal defect, unspecified
  - Q21.19 Other specified atrial septal defect
- Q21.2 Atrioventricular septal defect
  - Q21.20 Atrioventricular septal defect, unspecified as to partial or complete
  - Q21.21 Partial atrioventricular septal defect
  - Q21.22 Transitional atrioventricular septal defect
  - Q21.23 Complete atrioventricular septal defect
- Q21.3 Tetralogy of Fallot
- Q21.4 Aortopulmonary septal defect
- Q21.8 Other congenital malformations of cardiac septa
- Q21.9 Congenital malformation of cardiac septum, unspecified

Congenital malformations of cardiac septa

Q22

Code hierarchy

Q22 Congenital malformations of pulmonary and tricuspid valves
- Q22.0 Pulmonary valve atresia
- Q22.1 Congenital pulmonary valve stenosis
- Q22.2 Congenital pulmonary valve insufficiency
- Q22.3 Other congenital malformations of pulmonary valve
- Q22.4 Congenital tricuspid stenosis
- Q22.5 Ebstein's anomaly
- Q22.6 Hypoplastic right heart syndrome
- Q22.8 Other congenital malformations of tricuspid valve
- Q22.9 Congenital malformation of tricuspid valve, unspecified

Congenital malformations of pulmonary and tricuspid valves

Q23

Code hierarchy

Q23 Congenital malformations of aortic and mitral valves
- Q23.0 Congenital stenosis of aortic valve
- Q23.1 Congenital insufficiency of aortic valve
- Q23.2 Congenital mitral stenosis
- Q23.3 Congenital mitral insufficiency
- Q23.4 Hypoplastic left heart syndrome
- Q23.8 Other congenital malformations of aortic and mitral valves
  - Q23.81 Bicuspid aortic valve
  - Q23.82 Congenital mitral valve cleft leaflet
  - Q23.88 Other congenital malformations of aortic and mitral valves
- Q23.9 Congenital malformation of aortic and mitral valves, unspecified

Congenital malformations of aortic and mitral valves

Q24

Code hierarchy

Q24 Other congenital malformations of heart
- Q24.0 Dextrocardia
- Q24.1 Levocardia
- Q24.2 Cor triatriatum
- Q24.3 Pulmonary infundibular stenosis
- Q24.4 Congenital subaortic stenosis
- Q24.5 Malformation of coronary vessels
- Q24.6 Congenital heart block
- Q24.8 Other specified congenital malformations of heart
- Q24.9 Congenital malformation of heart, unspecified

Other congenital malformations of heart

Q25

Code hierarchy

Q25 Congenital malformations of great arteries
- Q25.0 Patent ductus arteriosus
- Q25.1 Coarctation of aorta
- Q25.2 Atresia of aorta
  - Q25.21 Interruption of aortic arch
  - Q25.29 Other atresia of aorta
- Q25.3 Supravalvular aortic stenosis
- Q25.4 Other congenital malformations of aorta
  - Q25.40 Congenital malformation of aorta unspecified
  - Q25.41 Absence and aplasia of aorta
  - Q25.42 Hypoplasia of aorta
  - Q25.43 Congenital aneurysm of aorta
  - Q25.44 Congenital dilation of aorta
  - Q25.45 Double aortic arch
  - Q25.46 Tortuous aortic arch
  - Q25.47 Right aortic arch
  - Q25.48 Anomalous origin of subclavian artery
  - Q25.49 Other congenital malformations of aorta
- Q25.5 Atresia of pulmonary artery
- Q25.6 Stenosis of pulmonary artery
- Q25.7 Other congenital malformations of pulmonary artery
  - Q25.71 Coarctation of pulmonary artery
  - Q25.72 Congenital pulmonary arteriovenous malformation
  - Q25.79 Other congenital malformations of pulmonary artery
- Q25.8 Other congenital malformations of other great arteries
- Q25.9 Congenital malformation of great arteries, unspecified

Congenital malformations of great arteries

Q26

Code hierarchy

Q26 Congenital malformations of great veins
- Q26.0 Congenital stenosis of vena cava
- Q26.1 Persistent left superior vena cava
- Q26.2 Total anomalous pulmonary venous connection
- Q26.3 Partial anomalous pulmonary venous connection
- Q26.4 Anomalous pulmonary venous connection, unspecified
- Q26.5 Anomalous portal venous connection
- Q26.6 Portal vein-hepatic artery fistula
- Q26.8 Other congenital malformations of great veins
- Q26.9 Congenital malformation of great vein, unspecified

Congenital malformations of great veins

Q27

Code hierarchy

Q27 Other congenital malformations of peripheral vascular system
- Q27.0 Congenital absence and hypoplasia of umbilical artery
- Q27.1 Congenital renal artery stenosis
- Q27.2 Other congenital malformations of renal artery
- Q27.3 Arteriovenous malformation (peripheral)
  - Q27.30 Arteriovenous malformation, site unspecified
  - Q27.31 Arteriovenous malformation of vessel of upper limb
  - Q27.32 Arteriovenous malformation of vessel of lower limb
  - Q27.33 Arteriovenous malformation of digestive system vessel
  - Q27.34 Arteriovenous malformation of renal vessel
  - Q27.39 Arteriovenous malformation, other site
- Q27.4 Congenital phlebectasia
- Q27.8 Other specified congenital malformations of peripheral vascular system
- Q27.9 Congenital malformation of peripheral vascular system, unspecified

Other congenital malformations of peripheral vascular system

Q28

Code hierarchy

Q28 Other congenital malformations of circulatory system
- Q28.0 Arteriovenous malformation of precerebral vessels
- Q28.1 Other malformations of precerebral vessels
- Q28.2 Arteriovenous malformation of cerebral vessels
- Q28.3 Other malformations of cerebral vessels
- Q28.8 Other specified congenital malformations of circulatory system
- Q28.9 Congenital malformation of circulatory system, unspecified

Other congenital malformations of circulatory system