Q00–Q99: Congenital Malformations, Deformations and Chromosomal Abnormalities
Chapter 17 of ICD-10-CM 2027, 1,095 codes in 12 blocks.
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Chapter instructions
Excludes2: not included here, code separately if applicable
- inborn errors of metabolism (E70-E88)
Codes in this chapter
All codesBillable only1,095 results
- Q21.23Complete atrioventricular septal defect
- Q21.3Tetralogy of Fallot
- Q21.4Aortopulmonary septal defect
- Q21.8Other congenital malformations of cardiac septa
- Q21.9Congenital malformation of cardiac septum, unspecified
- Q22Congenital malformations of pulmonary and tricuspid valves
- Q22.0Pulmonary valve atresia
- Q22.1Congenital pulmonary valve stenosis
- Q22.2Congenital pulmonary valve insufficiency
- Q22.3Other congenital malformations of pulmonary valve
- Q22.4Congenital tricuspid stenosis
- Q22.5Ebstein's anomaly
- Q22.6Hypoplastic right heart syndrome
- Q22.8Other congenital malformations of tricuspid valve
- Q22.9Congenital malformation of tricuspid valve, unspecified
- Q23Congenital malformations of aortic and mitral valves
- Q23.0Congenital stenosis of aortic valve
- Q23.1Congenital insufficiency of aortic valve
- Q23.2Congenital mitral stenosis
- Q23.3Congenital mitral insufficiency
- Q23.4Hypoplastic left heart syndrome
- Q23.8Other congenital malformations of aortic and mitral valves
- Q23.81Bicuspid aortic valve
- Q23.82Congenital mitral valve cleft leaflet
- Q23.88Other congenital malformations of aortic and mitral valves
- Q23.9Congenital malformation of aortic and mitral valves, unspecified
- Q24Other congenital malformations of heart
- Q24.0Dextrocardia
- Q24.1Levocardia
- Q24.2Cor triatriatum
- Q24.3Pulmonary infundibular stenosis
- Q24.4Congenital subaortic stenosis
- Q24.5Malformation of coronary vessels
- Q24.6Congenital heart block
- Q24.8Other specified congenital malformations of heart
- Q24.9Congenital malformation of heart, unspecified
- Q25Congenital malformations of great arteries
- Q25.0Patent ductus arteriosus
- Q25.1Coarctation of aorta
- Q25.2Atresia of aorta
- Q25.21Interruption of aortic arch
- Q25.29Other atresia of aorta
- Q25.3Supravalvular aortic stenosis
- Q25.4Other congenital malformations of aorta
- Q25.40Congenital malformation of aorta unspecified
- Q25.41Absence and aplasia of aorta
- Q25.42Hypoplasia of aorta
- Q25.43Congenital aneurysm of aorta
- Q25.44Congenital dilation of aorta
- Q25.45Double aortic arch