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 only900 results
- Q18.3Webbing of neck
- Q18.4Macrostomia
- Q18.5Microstomia
- Q18.6Macrocheilia
- Q18.7Microcheilia
- Q18.8Other specified congenital malformations of face and neck
- Q18.9Congenital malformation of face and neck, unspecified
- Q20.0Common arterial trunk
- Q20.1Double outlet right ventricle
- Q20.2Double outlet left ventricle
- Q20.3Discordant ventriculoarterial connection
- Q20.4Double inlet ventricle
- Q20.5Discordant atrioventricular connection
- Q20.6Isomerism of atrial appendages
- Q20.8Other congenital malformations of cardiac chambers and connections
- Q20.9Congenital malformation of cardiac chambers and connections, unspecified
- Q21.0Ventricular septal defect
- Q21.10Atrial septal defect, unspecified
- Q21.11Secundum atrial septal defect
- Q21.12Patent foramen ovale
- Q21.13Coronary sinus atrial septal defect
- Q21.14Superior sinus venosus atrial septal defect
- Q21.15Inferior sinus venosus atrial septal defect
- Q21.16Sinus venosus atrial septal defect, unspecified
- Q21.19Other specified atrial septal defect
- Q21.20Atrioventricular septal defect, unspecified as to partial or complete
- Q21.21Partial atrioventricular septal defect
- Q21.22Transitional atrioventricular septal defect
- 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
- 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
- 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
- Q23.81Bicuspid aortic valve
- Q23.82Congenital mitral valve cleft leaflet
- Q23.88Other congenital malformations of aortic and mitral valves