ICD-10 Diagnosis Code Q21.0

Ventricular septal defect

Diagnosis Code Q21.0

ICD-10: Q21.0
Short Description: Ventricular septal defect
Long Description: Ventricular septal defect
This is the 2018 version of the ICD-10-CM diagnosis code Q21.0

Valid for Submission
The code Q21.0 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 septa (Q21)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code Q21.0 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 Q21.0 is exempt from POA reporting.

Synonyms
  • Absent left sided atrioventricular connection
  • Absent pulmonary valve syndrome
  • Absent pulmonary valve syndrome with ventricular septal defect of non Fallot type
  • Acquired subaortic stenosis associated with functionally univentricular heart
  • Acquired subaortic stenosis due to restrictive ventricular septal defect associated with functionally univentricular heart
  • Atrioventricular septal defect with additional muscular ventricular septal defect
  • Common atrioventricular-type ventricular septal defect
  • Confluent muscular ventricular septal defect
  • Congenital abnormality of ventricles and ventricular septum
  • Congenital absence of pulmonary valve
  • Congenital atresia of the pulmonary valve
  • Congenital subaortic stenosis
  • Congenital subaortic stenosis due to restrictive ventricular septal defect associated with functionally univentricular heart
  • Double outlet right ventricle
  • Double outlet right ventricle
  • Double outlet right ventricle
  • Double outlet right ventricle
  • Double outlet right ventricle with doubly committed ventricular septal defect
  • Double outlet right ventricle with doubly committed ventricular septal defect and pulmonary stenosis
  • Double outlet right ventricle with noncommitted ventricular septal defect
  • Double outlet right ventricle with subaortic ventricular septal defect
  • Double outlet right ventricle with subpulmonary ventricular septal defect
  • Doubly committed subarterial ventricular septal defect
  • Doubly committed subarterial ventricular septal defect with membranous septum extension
  • Doubly committed subarterial ventricular septal defect with muscular posterior inferior rim
  • Doubly committed ventricular septal defect in double outlet ventriculoarterial connection
  • Giant ventricular septal defect
  • Hypoplasia of infundibular septum
  • Infective endocarditis at site of patch of ventricular septal defect
  • Infective endocarditis at site of ventricular septal defect
  • Left ventricular-right atrial communication
  • Membranous ventricular septum defect
  • Multiple muscular ventricular septum defect
  • Multiple ventricular septal defects
  • Muscular ventricular septal defect in apical trabecular septum
  • Muscular ventricular septal defect in central trabecular septum
  • Muscular ventricular septal defect in inlet septum
  • Muscular ventricular septal defect in marginal septum
  • Muscular ventricular septal defect in outlet septum
  • Muscular ventricular septal defect in trabecular septum
  • Muscular ventricular septum defect
  • Non-restrictive ventricular septal defect
  • Perimembranous ventricular septal defect
  • Perimembranous ventricular septal defect with extension to all right ventricular components
  • Perimembranous ventricular septal defect with extension to right ventricular inlet
  • Perimembranous ventricular septal defect with extension to right ventricular outlet
  • Perimembranous ventricular septal defect with extension to right ventricular trabecular component
  • Pulmonary atresia and ventricular septal defect with aorta from left ventricle
  • Pulmonary atresia and ventricular septal defect with aorta from right ventricle
  • Pulmonary atresia with ventricular septal defect
  • Residual ventricular septal defect
  • Roger's disease
  • Single muscular ventricular septum defect
  • Spontaneous closure of ventricular septal defect
  • Spontaneous closure of ventricular septal defect due to fibromuscular reaction
  • Spontaneous closure of ventricular septal defect due to tissue of membranous septum
  • Spontaneous reduction in size of ventricular septal defect
  • Spontaneous reduction in size of ventricular septal defect due to accessory tissue of atrioventricular valve
  • Spontaneous reduction in size of ventricular septal defect due to fibromuscular reaction
  • Spontaneous reduction in size of ventricular septal defect due to prolapse of cusp of aortic valve
  • Spontaneous reduction in size of ventricular septal defect due to tissue of membranous septum
  • Subaortic stenosis due to restrictive ventricular septal defect in functionally univentricular heart
  • Subarterial ventricular septal defect
  • Supracristal ventricular septal defect
  • Ventricular septal abnormality
  • Ventricular septal defect
  • Ventricular septal defect between left ventricle and right atrium
  • Ventricular septal defect of inlet of right aspect of ventricular septum
  • Ventricular septal defect with absent outlet septum and overriding truncal valve
  • Ventricular septal defect with absent outlet septum and overriding truncal valve with extension of membranous septum
  • Ventricular septal defect with absent outlet septum and overriding truncal valve with inferior muscular rim
  • Ventricular septal defect with anterior malaligned outlet septum with overriding aortic valve
  • Ventricular septal defect with anterior malaligned outlet septum with overriding pulmonary valve
  • Ventricular septal defect with malaligned outlet septum
  • Ventricular septal defect with malaligned outlet septum to left
  • Ventricular septal defect with malaligned outlet septum to right
  • Ventricular septal defect with posterior malaligned outlet septum with overriding aortic valve
  • Ventricular septal defect with posterior malaligned outlet septum with overriding pulmonary valve

Index of Diseases and Injuries
References found for the code Q21.0 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 (Medical Encyclopedia)
  • Bicuspid aortic valve (Medical Encyclopedia)
  • Congenital heart defect corrective surgeries (Medical Encyclopedia)
  • Congenital heart disease (Medical Encyclopedia)
  • Cyanotic heart disease (Medical Encyclopedia)
  • Dextrocardia (Medical Encyclopedia)
  • Echocardiogram -- children (Medical Encyclopedia)
  • Heart murmurs and other sounds (Medical Encyclopedia)
  • Patent ductus arteriosus (Medical Encyclopedia)
  • Ventricular septal defect (Medical Encyclopedia)


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