1. Q33 Congenital malformations of lung

    1. Q33.0 Congenital cystic lung

      Inclusion term(s):

      • Congenital cystic lung disease
      • Congenital honeycomb lung
      • Congenital polycystic lung disease
    2. Q33.1 Accessory lobe of lung

      Inclusion term(s):

      • Azygos lobe (fissured), lung
    3. Q33.2 Sequestration of lung

    4. Q33.3 Agenesis of lung

      Inclusion term(s):

      • Congenital absence of lung (lobe)
    5. Q33.4 Congenital bronchiectasis

    6. Q33.5 Ectopic tissue in lung

    7. Q33.6 Congenital hypoplasia and dysplasia of lung

    8. Q33.8 Other congenital malformations of lung

    9. Q33.9 Congenital malformation of lung, 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.