ICD-10-CM > Q00-QA0 > Q30-Q34 > Q33 > Q33.0 Q33.0 Congenital cystic lung Billable/Specific Copy Code Copy Description Applicable To Congenital cystic lung diseaseCongenital honeycomb lungCongenital polycystic lung disease Type 1 Excludes cystic fibrosis (E84.0)cystic lung disease, acquired or unspecified (J98.4)