Q20.8 OTH CONGENITAL MALFORM OF CARDIAC CHAMBERS AND CONNECTIONS

Home > ICD-10 List > Congenital malformations, deformations and chromosomal abnormalities > Congenital malformations of the circulatory system (Q20-Q28) > Congenital malformations of cardiac chambers and connections (Q20) > Q20.8

Code Information

Diagnosis Code: Q20.8

Short Description: Oth congenital malform of cardiac chambers and connections

Long Description: Other congenital malformations of cardiac chambers and connections

The code Q20.8 is VALID for claim submission

Code Classification:

Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- Congenital malformations of the circulatory system (Q20-Q28)
  - Congenital malformations of cardiac chambers and connections (Q20)
    - Q20.8 Oth congenital malform of cardiac chambers and connections

Code Version: 2022 ICD-10-CM

Synonyms

Abnormal atrial arrangement
Abnormal connection of hepatic vein to atrium
Abnormal connection of hepatic vein to atrium
Abnormal connection of hepatic vein to atrium
Abnormal relationship of aortic orifice to pulmonary orifice
Abnormal relationship of right ventricle to left ventricle
Abnormality of left atrial appendage
Abnormality of left atrial appendage
Abnormality of left atrial appendage
Abnormality of right atrial appendage
Abnormality of right atrial appendage
Abnormally small cardiac chamber
Absent atrioventricular connection with straddling valve
Absent left sided atrioventricular connection
Absent right sided atrioventricular connection
Absent right sided atrioventricular connection
Aortic left ventricular tunnel
Aortic left ventricular tunnel
Aortic left ventricular tunnel
Aortic tunnel
Aortic tunnel
Aortic tunnel
Aortico-left ventricular tunnel of simple type
Aortico-left ventricular tunnel with aneurysm of intracardiac septal wall and aneurysm of extracardiac aortic wall
Aortico-left ventricular tunnel with extracardiac aneurysm of aortic wall
Aortico-left ventricular tunnel with extracardiac aneurysm of aortic wall
Aortico-left ventricular tunnel with intracardiac aneurysm of septal portion
Atresia of mitral valve with absent atrioventricular connection
Atrioventricular septal defect - ventricular component under inferior bridging leaflet
Atrioventricular septal defect - ventricular component under superior bridging leaflet
Atrioventricular septal defect - ventricular component under superior bridging leaflet
Atrioventricular septal defect - ventricular component under superior bridging leaflet
Atrioventricular septal defect with ventricular component under free floating superior bridging leaflet and chords to papillary muscle at right ventricular free wall
Atrioventricular septal defect with ventricular component under inferior bridging leaflet with chords to crest ventricular septum
Atrioventricular septal defect with ventricular component under superior bridging leaflet with chords at crest ventricular septum
Atrioventricular septal defect with ventricular component under superior bridging leaflet without chordal attachment to ventricular septal crest
Atrioventricular septal defect with ventricular imbalance
Atrioventricular septal defect with ventricular imbalance consisting of dominant left ventricle and hypoplastic right ventricle
Bilateral isomeric atria
Bipartite right ventricle
Cardiac ventricular dilatation
Common atrioventricular valve in functionally univentricular heart
Common atrium
Concordant atrioventricular connections
Concordant ventriculoarterial connection with parallel great arteries
Concordant ventriculoarterial connections
Congenital abnormality of cardiac ventricle
Congenital abnormality of hepatic vein
Congenital abnormality of hepatic vein
Congenital abnormality of hepatic vein
Congenital abnormality of mitral subvalvular apparatus
Congenital abnormality of posterior cardiac vein of left ventricle
Congenital abnormality of tricuspid leaflet
Congenital aneurysm of aorta
Congenital aneurysm of aorta
Congenital aneurysm of heart
Congenital aneurysm of heart
Congenital aneurysm of heart
Congenital aneurysm of heart
Congenital aneurysm of subaortic left ventricle
Congenital anomaly of left ventricle
Congenital atresia of mitral valve
Congenital atresia of tricuspid valve
Congenital dilatation of aorta
Congenital dilatation of aorta
Congenital dilatation of atrium
Congenital dilatation of cardiac ventricle
Congenital hypoplasia of cardiac ventricle
Congenital left ventricular aneurysm
Congenital left ventricular submitral valve aneurysm
Congenital right ventricular aneurysm
Congenital right ventricular anomaly
Congenital right ventricular diverticulum
Cor biloculare
Cor triloculare
Diffuse hypoplasia of left ventricle
Discordant ventriculoarterial connection
Divided left atrium with all pulmonary veins to proximal chamber without communication to left atrium
Divided left atrium with all pulmonary veins to proximal chamber without communication to left atrium with extracardiac pulmonary venous chamber communication
Divided left atrium with restrictive outlet of proximal chamber to left atrium
Double outlet from ventricle of indeterminate morphology
Dynamic right ventricular outflow tract obstruction
Ebstein's anomaly
Ebstein's anomaly of tricuspid valve with atrialization of right ventricular chamber
Ectasia of left atrial appendage
Ectasia of right atrial appendage
Functionally univentricular heart
Giant right atrium
Hepatic vein to left atrium and right atrium
Hepatic vein to left sided atrium
Hepatic vein to right sided atrium
Hypoplasia of left ventricular inflow tract
Hypoplasia of left ventricular outflow tract
Hypoplasia of trabecular portion of right ventricle
Indeterminate atrial arrangement
Indeterminate ventricular outflow tract obstruction
Isolated right ventricular hypoplasia
Left atrial appendage - right - juxtaposition
Left atrial appendage absent
Left hand pattern ventricular topology
Left pulmonary artery with absent proximal arterial connection
Left sided atrium connecting to both ventricles
Left sided atrium connecting to left ventricle
Left sided atrium connecting to right ventricle
Left sided atrium connecting to ventricle of indeterminate morphology
Left ventricular aneurysm
Left ventricular aneurysm
Left ventricular aneurysm
Left ventricular hypoplasia
Left ventricular outflow tract abnormality
Left ventricular outflow tract atresia
Left ventricular outflow tract obstruction
Left ventricular outflow tract obstruction due to aneurysm of membranous septum
Left ventricular outflow tract obstruction due to anterolateral muscle band
Left ventricular outflow tract obstruction due to atrioventricular valve
Left ventricular outflow tract obstruction due to prolapse of Eustachian valve
Left ventricular outflow tract obstruction due to prolapsed arterial valve
Left ventricular outflow tract obstruction due to subpulmonary fibromuscular shelf
Obstruction of right ventricular outflow tract due to aortico-left ventricular tunnel
Parallel course of aorta and pulmonary artery
Pulmonary artery with absent proximal arterial connection
Right atrial appendage absent
Right hand pattern ventricular topology
Right sided atrium connecting to both ventricles
Right sided atrium connecting to right ventricle
Right sided atrium connecting to ventricle of indeterminate morphology
Right ventricle anterior to left ventricle
Right ventricle inferior to left ventricle
Right ventricle posterior to left ventricle
Right ventricle superior to left ventricle
Right ventricle to left of left ventricle
Right ventricular aneurysm
Right ventricular diverticulum
Right ventricular outflow obstruction - localized
Right ventricular outflow tract abnormality
Right ventricular outflow tract absent
Right ventricular outflow tract atresia
Right ventricular outflow tract obstruction
Right ventricular outflow tract obstruction due to abnormal cardiac muscle bands
Right ventricular outflow tract obstruction due to abnormal cardiac muscle bands
Right ventricular outflow tract obstruction due to aneurysm of membranous septum
Right ventricular outflow tract obstruction due to atrioventricular valve
Right ventricular outflow tract obstruction due to common atrioventricular valve
Right ventricular outflow tract obstruction due to fibromuscular shelf
Right ventricular outflow tract obstruction due to malaligned outlet septum
Right ventricular outflow tract obstruction due to prolapse of Eustachian valve
Right ventricular outflow tract obstruction due to prolapsed arterial valve
Right ventricular outflow tract obstruction due to septal hypertrophy
Right ventricular outflow tract obstruction due to septoparietal trabeculation
Single inlet ventricle with absent atrioventricular connection
Single outlet ventriculoarterial connection
Single ventricular outlet above right ventricle
Solitary ventricle of indeterminate morphology
Subaortic stenosis due to restrictive ventricular septal defect in functionally univentricular heart
Superior to inferior ventricular relationship
Supramitral left atrial ring
Thoracodidymus
Thoracodidymus
Thoracopagus
Thoracopagus
Thoracopagus with conjoined atria
Thoracopagus with conjoined atria and ventricles
Transposition of great arteries with concordant atrioventricular connections and ventricular septal defect and left ventricular outflow tract obstruction
Tricuspid atresia with absent right atrioventricular connection
Tripartite right ventricle
Two chambered right ventricle
Uniatrial biventricular connection with absent left sided atrioventricular connection with straddling valve
Uniatrial biventricular connection with absent right sided atrioventricular connection with straddling valve
Unipartite right ventricle
Univentricular atrioventricular connection with absent left sided atrioventricular connection
Univentricular atrioventricular connection with absent right sided atrioventricular connection
Ventricular imbalance
Ventricular imbalance
Ventricular imbalance with dominant right ventricle and hypoplastic left ventricle

Diagnostic Related Group(s)

The code Q20.8 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)

Cardiac Congenital And Valvular Disorders With Mcc (306)
Cardiac Congenital And Valvular Disorders Without Mcc (307)

References to Index of Diseases and Injuries

The code Q20.8 has the following ICD-10-CM references to the Index of Diseases and Injuries

Inclusion Terms:
- Cor binoculare

Crosswalk Information

ICD-10 Code	ICD-9 Code	ICD-9 Description
Q20.8	745.19	Transpos great vess NEC
	745.7	Cor biloculare
	745.8	Septal closure anom NEC

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code	ICD-10 Description
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
Q20.9	Congenital malformation of cardiac chambers and connections, unspecified

This page was last updated on: 10/1/2023

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