• 1 - A condition where surgery has been performed (Surgical code)
  • 2 - A condition where no surgery has been performed (non-surgical code)
    • 2 - Cardiovascular
      • 2 - Myocardium or cardiac chambers
        • 8 - Congenital or acquired deformity or abnormality
          • 1 - Complex congenital cardiac abnormality
          • 2 - Atrial septal defect
          • 3 - Congenital ventricular septal defect
          • 4 - Ischaemic ventricular septal defect
          • 6 - Tetralogy of Fallot
          • 7 - AV canal defect
          • 8 - Transposition of great arteries
          • 9 - Hypertrophic cardiomyopathy
          • 10 - Toxic myocarditis
          • 12 - Single ventricle
          • 13 - Right ventricular outflow tract obstruction
          • 14 - Left ventricular outflow tract obstruction
          • 15 - Double outlet left ventricle
          • 16 - Hypoplastic left or right ventricle
          • 17 - Ventricular aneurysm
          • 18 - Congenital cardiomyopathy, not hypertrophic
          • 19 - Mural or intracavity thrombus