Kodex

Code

Q30.0

Choanal atresia

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Hierarchy

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- Q30-Q34 Congenital malformations of the respiratory system (Q30-Q34)
  - Q30 Congenital malformations of nose
    - Q30.0 Choanal atresia
    - Q30.1 Agenesis and underdevelopment of nose
    - Q30.2 Fissured, notched and cleft nose
    - Q30.3 Congenital perforated nasal septum
    - Q30.8 Other congenital malformations of nose
    - Q30.9 Congenital malformation of nose, unspecified

Notes

Codes from this chapter are not for use on maternal records

Inclusion Terms

Q30.0

Atresia of nares (anterior) (posterior)
Congenital stenosis of nares (anterior) (posterior)

Excludes 1

congenital deviation of nasal septum (Q67.4)
- Q67.4 Other congenital deformities of skull, face and jaw

Excludes 2

inborn errors of metabolism (E70-E88)
- E70-E88 Metabolic disorders (E70-E88)