ICD-10-CM>Q00-QA1>Q20-Q28>Q24Q24Other congenital malformations of heartNon-Billable/Non-SpecificType 1 Excludesendocardial fibroelastosis (I42.4)CodesQ24.0DextrocardiaQ24.1LevocardiaQ24.2Cor triatriatumQ24.3Pulmonary infundibular stenosisQ24.4Congenital subaortic stenosisQ24.5Malformation of coronary vesselsQ24.6Congenital heart blockQ24.8Other specified congenital malformations of heartQ24.9Congenital malformation of heart, unspecified