2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Acute Respiratory Infections 460-466 > 2006 ICD-9-CM Diagnosis 466 Acute bronchitis and bronchiolitis View the most recent version of ICD-9-CM 466 466 is a non-specific code that cannot be used to specify a diagnosis 466 Includes that with: bronchospasm obstruction