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2007 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.* > 2007 ICD-9-CM Diagnosis 474.11 Hypertrophy of tonsils alone  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 474.11 can be accessed here. 474.11 is a specific code that can be used to specify a diagnosis 474.11 contains 4 index entries View the ICD-9-CM Volume 1 474.* hierarchy Index entries containing 474.11: Enlargement, enlarged - see also Hypertrophy tonsils 474.11 and adenoids 474.10 Hyperplasia, hyperplastic tonsil (lymphoid tissue) 474.11 and adenoids 474.10 Hypertrophy, hypertrophic lingual tonsil (infectional) 474.11 tonsil (faucial) (infective) (lingual) (lymphoid) 474.11 with adenoiditis 474.01 tonsillitis 474.00 and adenoiditis 474.02 and adenoids 474.10