Q34.8 Other specified congenital malformations of respiratory system

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Atresia of nasopharynx

Applies from Q34 Other congenital malformations of respiratory system

Excludes2 (not included here)

• congenital central alveolar hypoventilation syndrome (G47.35)

MS-DRG index

Defines the logic of DRG(s) 205-206 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 748.8 Other specified anomalies of respiratory system (approximate)

Code annotations containing back-references to Q34.8

Back-references to Q34

• 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 Q34.8

• Agenesis › respiratory organ NEC
• Anomaly, anomalous (congenital) (unspecified type) › respiratory system › specified NEC
• Atresia, atretic › nasopharynx
• Communication › between › pericardial sac and pleural sac
• Duplication, duplex › respiratory organs NEC
• Fistula (cutaneous) › laryngotracheal, congenital
• Fusion, fused (congenital) › larynx and trachea
• Hypoplasia, hypoplastic › respiratory system NEC
• Malposition › congenital › respiratory organ or system NEC
• Obstruction, obstructed, obstructive › upper respiratory, congenital
• Union, abnormal › larynx and trachea

Nearby codes

• Q34 Other congenital malformations of respiratory system
• Q34.0 Anomaly of pleura
• Q34.1 Congenital cyst of mediastinum
• Q34.8 Other specified congenital malformations of respiratory system (this code)
• Q34.9 Congenital malformation of respiratory system, unspecified