|  Q33 |  | Congenital malformations of lung  | 
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		|  Q33.0 |  | Congenital cystic lung |  
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| Congenital cystic lung disease |  | Congenital honeycomb lung |  | Congenital polycystic lung disease |  
		| Excludes1 | cystic fibrosis (E84.0) cystic lung disease, acquired or unspecified (J98.4)
 
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		|  Q33.1 |  | Accessory lobe of lung |  
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| Azygos lobe (fissured), lung |  |  | 
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		|  Q33.2 |  | Sequestration of lung |  | 
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		|  Q33.3 |  | Agenesis of lung |  
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| Congenital absence of lung (lobe) |  |  | 
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		|  Q33.4 |  | Congenital bronchiectasis |  | 
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		|  Q33.5 |  | Ectopic tissue in lung |  | 
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		|  Q33.6 |  | Congenital hypoplasia and dysplasia of lung |  
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		| Excludes1 | pulmonary hypoplasia associated with short gestation (P28.0) 
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		|  Q33.8 |  | Other congenital malformations of lung |  | 
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		|  Q33.9 |  | Congenital malformation of lung, unspecified |  |