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Chapter 17: Congenital malformations, deformations and chromosomal abnormalities
Q20-Q28

Congenital malformations of the circulatory system

Explore the ICD-10 code range Q20-Q28 for congenital malformations of the circulatory system, crucial for precise medical documentation and coding. Enhance clinical workflows with detailed insights into congenital heart defects, vascular anomalies, and their management. Optimize your practice's billing accuracy and patient care with specific coding guidance.

About This Range
118+
Total codes
102+
Billable codes
16+
Non-billable codes
17
Chapters
Codes in this Range (118+)
Chapter 17: Congenital malformations, deformations and chromosomal abnormalities Range: Q00-Q99
Q20
Congenital malformations of cardiac chambers and connections
Q20.0
Common arterial trunk
Billable
Q20.1
Double outlet right ventricle
Billable
Q20.2
Double outlet left ventricle
Billable
Q20.3
Discordant ventriculoarterial connection
Billable
Q20.4
Double inlet ventricle
Billable
Q20.5
Discordant atrioventricular connection
Billable
Q20.6
Isomerism of atrial appendages
Billable
Q20.8
Other congenital malformations of cardiac chambers and connections
Billable
Q20.9
Congenital malformation of cardiac chambers and connections, unspecified
Billable
Q21
Congenital malformations of cardiac septa
Q21.0
Ventricular septal defect
Billable
Q21.1
Atrial septal defect
Q21.10
Atrial septal defect, unspecified
Billable
Q21.11
Secundum atrial septal defect
Billable
Q21.12
Patent foramen ovale
Billable
Q21.13
Coronary sinus atrial septal defect
Billable
Q21.14
Superior sinus venosus atrial septal defect
Billable
Q21.15
Inferior sinus venosus atrial septal defect
Billable
Q21.16
Sinus venosus atrial septal defect, unspecified
Billable
Q21.19
Other specified atrial septal defect
Billable
Q21.2
Atrioventricular septal defect
Q21.20
Atrioventricular septal defect, unspecified as to partial or complete
Billable
Q21.21
Partial atrioventricular septal defect
Billable
Q21.22
Transitional atrioventricular septal defect
Billable
Q21.23
Complete atrioventricular septal defect
Billable
Q21.3
Tetralogy of Fallot
Billable
Q21.4
Aortopulmonary septal defect
Billable
Q21.8
Other congenital malformations of cardiac septa
Billable
Q21.9
Congenital malformation of cardiac septum, unspecified
Billable
Q22
Congenital malformations of pulmonary and tricuspid valves
Q22.0
Pulmonary valve atresia
Billable
Q22.1
Congenital pulmonary valve stenosis
Billable
Q22.2
Congenital pulmonary valve insufficiency
Billable
Q22.3
Other congenital malformations of pulmonary valve
Billable
Q22.4
Congenital tricuspid stenosis
Billable
Q22.5
Ebstein's anomaly
Billable
Q22.6
Hypoplastic right heart syndrome
Billable
Q22.8
Other congenital malformations of tricuspid valve
Billable
Q22.9
Congenital malformation of tricuspid valve, unspecified
Billable
Q23
Congenital malformations of aortic and mitral valves
Q23.0
Congenital stenosis of aortic valve
Billable
Q23.1
Congenital insufficiency of aortic valve
Billable
Q23.2
Congenital mitral stenosis
Billable
Q23.3
Congenital mitral insufficiency
Billable
Q23.4
Hypoplastic left heart syndrome
Billable
Q23.8
Other congenital malformations of aortic and mitral valves
Q23.81
Bicuspid aortic valve
Billable
Q23.82
Congenital mitral valve cleft leaflet
Billable
Q23.88
Other congenital malformations of aortic and mitral valves
Billable
Q23.9
Congenital malformation of aortic and mitral valves, unspecified
Billable
Q24
Other congenital malformations of heart
Q24.0
Dextrocardia
Billable
Q24.1
Levocardia
Billable
Q24.2
Cor triatriatum
Billable
Q24.3
Pulmonary infundibular stenosis
Billable
Q24.4
Congenital subaortic stenosis
Billable
Q24.5
Malformation of coronary vessels
Billable
Q24.6
Congenital heart block
Billable
Q24.8
Other specified congenital malformations of heart
Billable
Q24.9
Congenital malformation of heart, unspecified
Billable
Q25
Congenital malformations of great arteries
Q25.0
Patent ductus arteriosus
Billable
Q25.1
Coarctation of aorta
Billable
Q25.2
Atresia of aorta
Q25.21
Interruption of aortic arch
Billable
Q25.29
Other atresia of aorta
Billable
Q25.3
Supravalvular aortic stenosis
Billable
Q25.4
Other congenital malformations of aorta
Q25.40
Congenital malformation of aorta unspecified
Billable
Q25.41
Absence and aplasia of aorta
Billable
Q25.42
Hypoplasia of aorta
Billable
Q25.43
Congenital aneurysm of aorta
Billable
Q25.44
Congenital dilation of aorta
Billable
Q25.45
Double aortic arch
Billable
Q25.46
Tortuous aortic arch
Billable
Q25.47
Right aortic arch
Billable
Q25.48
Anomalous origin of subclavian artery
Billable
Q25.49
Other congenital malformations of aorta
Billable
Q25.5
Atresia of pulmonary artery
Billable
Q25.6
Stenosis of pulmonary artery
Billable
Q25.7
Other congenital malformations of pulmonary artery
Q25.71
Coarctation of pulmonary artery
Billable
Q25.72
Congenital pulmonary arteriovenous malformation
Billable
Q25.79
Other congenital malformations of pulmonary artery
Billable
Q25.8
Other congenital malformations of other great arteries
Billable
Q25.9
Congenital malformation of great arteries, unspecified
Billable
Q26
Congenital malformations of great veins
Q26.0
Congenital stenosis of vena cava
Billable
Q26.1
Persistent left superior vena cava
Billable
Q26.2
Total anomalous pulmonary venous connection
Billable
Q26.3
Partial anomalous pulmonary venous connection
Billable
Q26.4
Anomalous pulmonary venous connection, unspecified
Billable
Q26.5
Anomalous portal venous connection
Billable
Q26.6
Portal vein-hepatic artery fistula
Billable
Q26.8
Other congenital malformations of great veins
Billable
Q26.9
Congenital malformation of great vein, unspecified
Billable
Q27
Other congenital malformations of peripheral vascular system
Q27.0
Congenital absence and hypoplasia of umbilical artery
Billable
Q27.1
Congenital renal artery stenosis
Billable
Q27.2
Other congenital malformations of renal artery
Billable
Q27.3
Arteriovenous malformation (peripheral)
Q27.30
Arteriovenous malformation, site unspecified
Billable
Q27.31
Arteriovenous malformation of vessel of upper limb
Billable
Q27.32
Arteriovenous malformation of vessel of lower limb
Billable
Q27.33
Arteriovenous malformation of digestive system vessel
Billable
Q27.34
Arteriovenous malformation of renal vessel
Billable
Q27.39
Arteriovenous malformation, other site
Billable
Q27.4
Congenital phlebectasia
Billable
Q27.8
Other specified congenital malformations of peripheral vascular system
Billable
Q27.9
Congenital malformation of peripheral vascular system, unspecified
Billable
Q28
Other congenital malformations of circulatory system
Q28.0
Arteriovenous malformation of precerebral vessels
Billable
Q28.1
Other malformations of precerebral vessels
Billable
Q28.2
Arteriovenous malformation of cerebral vessels
Billable
Q28.3
Other malformations of cerebral vessels
Billable
Q28.8
Other specified congenital malformations of circulatory system
Billable
Q28.9
Congenital malformation of circulatory system, unspecified
Billable

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Frequently Asked Questions
What are the common congenital heart defects listed under ICD-10 code Q20-Q28?

The ICD-10 code range Q20-Q28 includes common congenital heart defects such as atrial septal defect, ventricular septal defect, tetralogy of Fallot, and patent ductus arteriosus. These conditions affect the structure and function of the heart and circulatory system from birth.

How are congenital malformations of the circulatory system diagnosed?

Congenital malformations of the circulatory system are typically diagnosed using imaging techniques such as echocardiography, MRI, or CT scans. These tools help visualize the heart's structure and identify defects early, often before or shortly after birth.

What treatment options are available for congenital heart defects in infants?

Treatment options for congenital heart defects in infants may include medications, catheter-based procedures, or surgery, depending on the severity and type of defect. Early intervention is crucial for managing symptoms and improving outcomes.