ICD-10 Diagnosis Code Q20.8

Oth congenital malform of cardiac chambers and connections

Diagnosis Code Q20.8

ICD-10: Q20.8
Short Description: Oth congenital malform of cardiac chambers and connections
Long Description: Other congenital malformations of cardiac chambers and connections
This is the 2017 version of the ICD-10-CM diagnosis code Q20.8

Valid for Submission
The code Q20.8 is valid for submission for HIPAA-covered transactions.

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)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code Q20.8 is grouped in the following Diagnostic Related Group(s) (MS-DRG V34.0)

  • 306 - CARDIAC CONGENITAL AND VALVULAR DISORDERS WITH MCC
  • 307 - CARDIAC CONGENITAL AND VALVULAR DISORDERS WITHOUT MCC

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Present on Admission (POA) Additional informationCallout TooltipPresent on Admission
The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement.

The code Q20.8 is exempt from POA reporting.

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 position of cardiac valve
  • 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 right atrial appendage
  • Absent atrioventricular connection with straddling valve
  • Absent left sided atrioventricular connection
  • Absent right sided atrioventricular connection
  • Aortic left ventricular tunnel
  • Aortic left ventricular tunnel
  • Aortic tunnel
  • Aortic tunnel
  • 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
  • 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 consisting of dominant left ventricle and hypoplastic right ventricle
  • Bilateral atria
  • Bilateral isomeric atria
  • Bipartite right ventricle
  • Cardiac septal defects
  • Common atrioventricular valve in functionally univentricular heart
  • Concordant ventriculoarterial connection with parallel great arteries
  • 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 right atrium
  • Congenital abnormality of tricuspid leaflet
  • Congenital aneurysm of aorta
  • Congenital aneurysm of aorta
  • Congenital aneurysm of heart
  • Congenital aneurysm of subaortic left ventricle
  • Congenital aneurysm of systemic artery
  • Congenital aneurysm of systemic artery
  • 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 peripheral aneurysm
  • Congenital peripheral aneurysm
  • Congenital right ventricular aneurysm
  • Congenital right ventricular diverticulum
  • Cor biloculare
  • Cor triloculare
  • Diffuse hypoplasia of left ventricle
  • 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 of tricuspid valve
  • Ebstein's anomaly of tricuspid valve with atrialization of right ventricular chamber
  • Failure of growth of fetal left cardiac ventricle
  • Failure of growth of fetal right cardiac ventricle
  • 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
  • Hyoplasia of left ventricular inflow tract
  • Hypoplasia of left ventricular outflow tract
  • Hypoplasia of right heart
  • Hypoplasia of trabecular portion of right ventricle
  • Indeterminate atrial arrangement
  • Indeterminate ventricular outflow tract obstruction
  • Left atrial appendage - right - juxtaposition
  • Left atrial appendage absent
  • 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 ventricle outflow chamber
  • Left ventricular aneurysm
  • Left ventricular hypoplasia
  • Left ventricular mass
  • 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
  • Progression of fetal right ventricular outflow tract obstruction
  • Pulmonary artery with absent proximal arterial connection
  • Right atrial appendage absent
  • 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 inferior to left ventricle
  • Right ventricle outflow chamber
  • Right ventricle posterior to left ventricle
  • Right ventricle to left of left ventricle
  • Right ventricular aneurysm
  • Right ventricular diverticulum
  • Right ventricular mass
  • Right ventricular outflow obstruction - localized
  • Right ventricular outflow obstruction - tubular
  • 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 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
  • Rudimentary left ventricle
  • 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
  • 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 dilatation
  • Ventricular imbalance
  • Ventricular imbalance with dominant right ventricle and hypoplastic left ventricle

Index of Diseases and Injuries
References found for the code Q20.8 in the Index of Diseases and Injuries:


Information for Patients


Congenital Heart Defects

A congenital heart defect is a problem with the structure of the heart. It is present at birth. Congenital heart defects are the most common type of birth defect. The defects can involve the walls of the heart, the valves of the heart, and the arteries and veins near the heart. They can disrupt the normal flow of blood through the heart. The blood flow can slow down, go in the wrong direction or to the wrong place, or be blocked completely.

Doctors use a physical exam and special heart tests to diagnose congenital heart defects. They often find severe defects during pregnancy or soon after birth. Signs and symptoms of severe defects in newborns include

  • Rapid breathing
  • Cyanosis - a bluish tint to the skin, lips, and fingernails
  • Fatigue
  • Poor blood circulation

Many congenital heart defects cause few or no signs and symptoms. They are often not diagnosed until children are older.

Many children with congenital heart defects don't need treatment, but others do. Treatment can include medicines, catheter procedures, surgery, and heart transplants. The treatment depends on the type of the defect, how severe it is, and a child's age, size, and general health.

NIH: National Heart, Lung, and Blood Institute

  • Atrial septal defect
  • Bicuspid aortic valve
  • Congenital heart defect corrective surgeries
  • Congenital heart disease
  • Cyanotic heart disease
  • Dextrocardia
  • Echocardiogram -- children
  • Heart murmurs and other sounds
  • Patent ductus arteriosus
  • Ventricular septal defect


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