Q30.0 Choanal atresia
Instructional Notes:
-
Q30.0
Description: Choanal atresia
Inclusion Term:
- Atresia of nares (anterior) (posterior)
- Congenital stenosis of nares (anterior) (posterior)
↓
-
Q30
Description: Congenital malformations of nose
Exclude1:
- congenital deviation of nasal septum (Q67.4)
↓
-
Q30-Q34
Description: Congenital malformations of the respiratory system (Q30-Q34)
↓
-
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