2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Acute Respiratory Infections 460-466 > Acute Laryngitis And Tracheitis 464.* > 2006 ICD-9-CM Diagnosis 464.50 Supraglottitis unspecified without obstruction View the most recent version of ICD-9-CM 464.50 464.50 is a specific code that can be used to specify a diagnosis 464.50 contains 1 index entry View the ICD-9-CM Volume 1 464.* hierarchy  Index entries containing 464.50: Supraglottitis 464.50 with obstruction 464.51