1. Q34 Other congenital malformations of respiratory system


    • congenital central alveolar hypoventilation syndrome (G47.35)
    1. Q34.0 Anomaly of pleura

    2. Q34.1 Congenital cyst of mediastinum

    3. Q34.8 Other specified congenital malformations of respiratory system

      Inclusion term(s):

      • Atresia of nasopharynx
    4. Q34.9 Congenital malformation of respiratory system, unspecified

      Inclusion term(s):

      • Congenital absence of respiratory system
      • Congenital anomaly of respiratory system NOS
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.