Q33.4 Congenital bronchiectasis

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis. Exempt from present-on-admission (POA) reporting.

MS-DRG index

Defines the logic of DRG(s) 190-192 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 748.61 Congenital bronchiectasis

Code annotations containing back-references to Q33.4

Back-references to Q33.4

• Type 1 Excludes: J47 Bronchiectasis ("congenital bronchiectasis (Q33.4)")
• Type 1 Excludes: Q32 Congenital malformations of trachea and bronchus ("congenital bronchiectasis (Q33.4)")

Back-references to Q33

• Code Also: P28 Other respiratory conditions originating in the perinatal period (", if applicable, congenital malformations of the respiratory system (Q30-Q34)")

Diagnosis Index entries for Q33.4

• Bronchiectasis (cylindrical) (diffuse) (fusiform) (localized) (saccular) › congenital

Nearby codes

• Q33 Congenital malformations of lung
• Q33.0 Congenital cystic lung
• Q33.1 Accessory lobe of lung
• Q33.2 Sequestration of lung
• Q33.3 Agenesis of lung
• Q33.4 Congenital bronchiectasis (this code)
• Q33.5 Ectopic tissue in lung
• Q33.6 Congenital hypoplasia and dysplasia of lung
• Q33.8 Other congenital malformations of lung
• Q33.9 Congenital malformation of lung, unspecified