Q34: Other congenital malformations of respiratory system
Codes under Q34 (Other congenital malformations of respiratory system). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Q34.0 | Anomaly of pleura | ✓ |
| Q34.0 | Anomaly of pleura | ✓ |
| Q34.1 | Congenital cyst of mediastinum | ✓ |
| Q34.1 | Congenital cyst of mediastinum | ✓ |
| Q34.8 | Other specified congenital malformations of respiratory system | ✓ |
| Q34.8 | Other specified congenital malformations of respiratory system | ✓ |
| Q34.9 | Congenital malformation of respiratory system, unspecified | ✓ |
| Q34.9 | Congenital malformation of respiratory system, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code Q34?
Q34 is an ICD-10-CM category covering Other congenital malformations of respiratory system. It contains 8 more specific diagnosis codes, 8 of which are billable.
Is Q34 a billable code?
No — Q34 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Q34.0 — Anomaly of pleura). 8 of the 8 codes under Q34 are billable.
What codes fall under Q34?
Q34 includes Q34.0, Q34.0, Q34.1, Q34.1, Q34.8, plus 3 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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