2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Other Diseases Of Upper Respiratory Tract 470-478 > Other Diseases Of Upper Respiratory Tract 478.* > 2006 ICD-9-CM Diagnosis 478.21 Cellulitis of pharynx or nasopharynx View the most recent version of ICD-9-CM 478.21 478.21 is a specific code that can be used to specify a diagnosis 478.21 contains 2 index entries View the ICD-9-CM Volume 1 478.* hierarchy  Index entries containing 478.21: Cellulitis (diffuse) (with lymphangitis) (see also Abscess) 682.9 nasopharynx 478.21 pharynx 478.21