2006 ICD-9-CM Volume 1 Diagnosis Codes > Diseases Of The Respiratory System 460-519 > Acute Respiratory Infections 460-466 > 460 Acute nasopharyngitis (common cold) 461 Acute sinusitis 462 Acute pharyngitis 463 Acute tonsillitis 464 Acute laryngitis and tracheitis 465 Acute upper respiratory infections of multiple or unspecified sites 466 Acute bronchitis and bronchiolitis