Q23.0 Congenital stenosis of aortic valve
Instructional Notes:
-
Q23.0
Description: Congenital stenosis of aortic valve
Exclude1:
- congenital stenosis of aortic valve in hypoplastic left heart syndrome (Q23.4)
- congenital subaortic stenosis (Q24.4)
- supravalvular aortic stenosis (congenital) (Q25.3)
Inclusion Term:
- Congenital aortic atresia
- Congenital aortic stenosis NOS
↓
-
Q23
Description: Congenital malformations of aortic and mitral valves
↓
-
Q20-Q28
Description: Congenital malformations of the circulatory system (Q20-Q28)
↓
-
Q00-Q99
Description: Congenital malformations, deformations and chromosomal abnormalities
Exclude2:
- inborn errors of metabolism (E70-E88)
Notes:
- Codes from this chapter are not for use on maternal records