Q23

Congenital malformations of aortic and mitral valves

Non-billable header

Q23 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

Excludes2

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

  • inborn errors of metabolism (E70-E88)

More specific codes Q23

  • Q23.0Congenital stenosis of aortic valveBillable
  • Q23.1Congenital insufficiency of aortic valveBillable
  • Q23.2Congenital mitral stenosisBillable
  • Q23.3Congenital mitral insufficiencyBillable
  • Q23.4Hypoplastic left heart syndromeBillable
  • Q23.8Other congenital malformations of aortic and mitral valvesHeader
  • Q23.9Congenital malformation of aortic and mitral valves, unspecifiedBillable

Related codes

  • Q20Congenital malformations of cardiac chambers and connectionsHeader
  • Q21Congenital malformations of cardiac septaHeader
  • Q22Congenital malformations of pulmonary and tricuspid 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

Browse