Q203-char group
Congenital malformations of cardiac chambers and connections
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: dextrocardia with situs inversus (Q89.3) mirror-image atrial arrangement with situs inversus (Q89.3)
Codes within Q20
Q20.0Common arterial trunkQ20.1Double outlet right ventricleQ20.2Double outlet left ventricleQ20.3Discordant ventriculoarterial connectionQ20.4Double inlet ventricleQ20.5Discordant atrioventricular connectionQ20.6Isomerism of atrial appendagesQ20.8Other congenital malformations of cardiac chambers and connectionsQ20.9Congenital malformation of cardiac chambers and connections, unspecified