Congenital malformation of respiratory system, unspecified

This code signifies a birth defect affecting the respiratory system where the specific nature of the malformation is not documented. It indicates an abnormality present at birth involving structures like the trachea, bronchi, lungs, or diaphragm, without further detail regarding the type or location of the defect.

Use this code when documentation clearly states a congenital malformation of the respiratory system but lacks specificity regarding the exact anomaly. This is appropriate when the physician's diagnostic statement is "congenital respiratory malformation, unspecified" or similar. It should be used when more specific codes within the Q30-Q34 range cannot be assigned due to insufficient information.

• Avoid using this code if more specific information about the congenital malformation is available in the medical record.
• Query the provider for further specificity if possible to assign a more precise code from Q30-Q34.
• This code is a "catch-all" for unspecified congenital respiratory defects and should be used as a last resort.