Q32.4 Other congenital malformations of bronchus

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

Applicable to

• Absence of bronchus
• Agenesis of bronchus
• Atresia of bronchus
• Congenital diverticulum of bronchus
• Congenital malformation of bronchus NOS

Applies from Q32 Congenital malformations of trachea and bronchus

Excludes1 (never code together)

• congenital bronchiectasis (Q33.4)

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 748.3 Other anomalies of larynx, trachea, and bronchus (approximate)

Code annotations containing back-references to Q32.4

Back-references to Q32

• 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 Q32.4

• Absence (of) (organ or part) (complete or partial) › bronchus (congenital)
• Agenesis › bronchus
• Anomaly, anomalous (congenital) (unspecified type) › bronchus
• Aplasia › bronchus
• Atresia, atretic › bronchus
• Blind › bronchus (congenital)
• Deformity › bronchus (congenital)
• Development › incomplete › bronchial tree
• Diverticulum, diverticula (multiple) › bronchus (congenital)
• Hypoplasia, hypoplastic › bronchus
• Malformation (congenital) › bronchus
• Malposition › congenital › bronchus
• Mounier-Kuhn syndrome
• Pouch › bronchus
• Rudimentary (congenital) › tracheal bronchus
• Syndrome › Mounier-Kuhn
• Tracheobronchomegaly

Nearby codes

• Q32 Congenital malformations of trachea and bronchus
• Q32.0 Congenital tracheomalacia
• Q32.1 Other congenital malformations of trachea
• Q32.2 Congenital bronchomalacia
• Q32.3 Congenital stenosis of bronchus
• Q32.4 Other congenital malformations of bronchus (this code)