2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Other Diseases Of Upper Respiratory Tract 470-478 > Nasal Polyps 471.* > 2006 ICD-9-CM Diagnosis 471.8 Other polyp of sinus View the most recent version of ICD-9-CM 471.8 471.8 is a specific code that can be used to specify a diagnosis 471.8 contains 8 index entries View the ICD-9-CM Volume 1 471.* hierarchy Alternate Terminology Polyp of sinus: accessory ethmoidal maxillary sphenoidal  Index entries containing 471.8: Polyp, polypus accessory sinus 471.8 antrum 471.8 ethmoidal (sinus) 471.8 frontal (sinus) 471.8 maxillary (sinus) 471.8 sinus (accessory) (ethmoidal) (frontal) (maxillary) (sphenoidal) 471.8 sphenoidal (sinus) 471.8 turbinate, mucous membrane 471.8