2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Other Diseases Of Upper Respiratory Tract 470-478 > Chronic Disease Of Tonsils And Adenoids 474.* > 2006 ICD-9-CM Diagnosis 474.9 Unspecified chronic disease of tonsils and adenoids View the most recent version of ICD-9-CM 474.9 474.9 is a specific code that can be used to specify a diagnosis 474.9 contains 4 index entries View the ICD-9-CM Volume 1 474.* hierarchy Alternate Terminology Disease (chronic) of tonsils (and adenoids)  Index entries containing 474.9: Adenoids (congenital) (of nasal fossa) 474.9 hypertrophy 474.12 vegetations 474.2 Disease, diseased - see also Syndrome adenoids (and tonsils) (chronic) 474.9 tonsils, tonsillar (and adenoids) (chronic) 474.9 specified NEC 474.8 Lesion(s) tonsillar fossa 474.9