Q20

Congenital malformations of cardiac chambers and connections

Non-billable header

Q20 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes

  • Note: Codes from this chapter are not for use on maternal records

Excludes1

Not coded here — never report together with this code.

  • dextrocardia with situs inversus (Q89.3)
  • mirror-image atrial arrangement with situs inversus (Q89.3)

Excludes2

Not included here — may be reported together when both conditions exist.

  • inborn errors of metabolism (E70-E88)

More specific codes Q20

  • Q20.0Common arterial trunkBillable
  • Q20.1Double outlet right ventricleBillable
  • Q20.2Double outlet left ventricleBillable
  • Q20.3Discordant ventriculoarterial connectionBillable
  • Q20.4Double inlet ventricleBillable
  • Q20.5Discordant atrioventricular connectionBillable
  • Q20.6Isomerism of atrial appendagesBillable
  • Q20.8Other congenital malformations of cardiac chambers and connectionsBillable
  • Q20.9Congenital malformation of cardiac chambers and connections, unspecifiedBillable

Related codes

  • Q21Congenital malformations of cardiac septaHeader
  • Q22Congenital malformations of pulmonary and tricuspid valvesHeader
  • Q23Congenital malformations of aortic and mitral valvesHeader
  • Q24Other congenital malformations of heartHeader
  • Q25Congenital malformations of great arteriesHeader
  • Q26Congenital malformations of great veinsHeader
  • Q27Other congenital malformations of peripheral vascular systemHeader
  • Q28Other congenital malformations of circulatory systemHeader

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