Q233-char group
Congenital malformations of aortic and mitral valves
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Codes within Q23
Q23.0Congenital stenosis of aortic valveQ23.1Congenital insufficiency of aortic valveQ23.2Congenital mitral stenosisQ23.3Congenital mitral insufficiencyQ23.4Hypoplastic left heart syndromeQ23.8Other congenital malformations of aortic and mitral valvesQ23.9Congenital malformation of aortic and mitral valves, unspecified