1. Q30 Congenital malformations of nose

    Excludes1

    • congenital deviation of nasal septum (Q67.4)
    1. Q30.0 Choanal atresia

      Inclusion term(s):

      • Atresia of nares (anterior) (posterior)
      • Congenital stenosis of nares (anterior) (posterior)
    2. Q30.1 Agenesis and underdevelopment of nose

      Inclusion term(s):

      • Congenital absent of nose
    3. Q30.2 Fissured, notched and cleft nose

    4. Q30.3 Congenital perforated nasal septum

    5. Q30.8 Other congenital malformations of nose

      Inclusion term(s):

      • Accessory nose
      • Congenital anomaly of nasal sinus wall
    6. Q30.9 Congenital malformation of nose, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.