2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Other Diseases Of Upper Respiratory Tract 470-478 > ICD-9-CM Diagnosis 476 Chronic laryngitis and laryngotracheitis 476 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 476.0 Chronic laryngitis 476.0 is a specific code that can be used to specify a diagnosis 476.0 contains 12 index entries ICD-9-CM Diagnosis 476.1 Chronic laryngotracheitis 476.1 is a specific code that can be used to specify a diagnosis 476.1 contains 11 index entries