2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Other Diseases Of Upper Respiratory Tract 470-478 > 2006 ICD-9-CM Diagnosis 476 Chronic laryngitis and laryngotracheitis View the most recent version of ICD-9-CM 476 476 is a non-specific code that cannot be used to specify a diagnosis