Q34 Other congenital malformations of respiratory system

Category / Non-billable header 4 subcodes

Block: Congenital malformations of the respiratory system (Q30-Q34)

Excludes 2 (not included here)

  • congenital central alveolar hypoventilation syndrome (G47.35)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
Q34..0 Anomaly of pleura Yes
Q34..1 Congenital cyst of mediastinum Yes
Q34..8 Other specified congenital malformations of respiratory system Yes
Q34..9 Congenital malformation of respiratory system, unspecified Yes

Last reviewed: September 2026