2026 ICD-10-CM Diagnosis Code Q34Other congenital malformations of respiratory system
Q34 is a non-billable ICD-10-CM category code for other congenital malformations of respiratory system, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Q34.0, Q34.1, Q34.8, and Q34.9.
Code Identity
Code Classification
Specific Coding for Other congenital malformations of respiratory systemOverview
Non-specific codes like Q34 require more characters. Use one of these billable codes instead:
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Type 2 Excludes
- congenital central alveolar hypoventilation syndrome G47.35
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
Patient EducationClinical
Birth Defects
A birth defect is a problem that happens while a baby is developing in the mother's body. Most birth defects happen during the first 3 months of pregnancy. One out of every 33 babies in the United States is born with a birth defect.
The full article covers:
- What are birth defects?
- What causes birth defects?
- Who is at risk of having a baby with birth defects?
- How are birth defects diagnosed?
- What are the treatments for birth defects?
- Can birth defects be prevented?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Code HistoryHistory
Questions About Q34Overview
Is Q34 (Other congenital malformations of respiratory system) a billable code?
No. This is a category header that groups the codes for other congenital malformations of respiratory system, and headers cannot be submitted on claims. Claims for other congenital malformations of respiratory system need a more specific code from this category, such as Q34.0, Q34.1, and Q34.8.
