What is the ICD-9 code for reactive airway disease?

The ICD-9 code for a reactive airway disease is 519.8, which is the code used for general diseases of the respiratory system that are not specifically listed under another diagnosis code, according to ICD9Data.com. Types of reactive airway diseases listed under 519.8 include respiratory infections and a partially obstructed airway.

Infections that impact both the upper and lower respiratory tracts may be included under the 519.8 ICD-9 code, according to ICD9Data.com. Infections may be bacterial or viral. Congestion in the tract and syndromes such as smoker's respiratory syndrome are also covered. Obstruction of the airway by the tongue, blood or a foreign body are also covered under the code.