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 471 Nasal polyps Focal accumulations of EDEMA fluid in the NASAL MUCOSA accompanied by HYPERPLASIA of the associated submucosal connective tissue. Polyps may be NEOPLASMS, foci of INFLAMMATION, degenerative lesions, or malformations. 471 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 471.0 Polyp of nasal cavity Focal accumulations of EDEMA fluid in the NASAL MUCOSA accompanied by HYPERPLASIA of the associated submucosal connective tissue. Polyps may be NEOPLASMS, foci of INFLAMMATION, degenerative lesions, or malformations. 471.0 is a specific code that can be used to specify a diagnosis 471.0 contains 5 index entries ICD-9-CM Diagnosis 471.1 Polypoid sinus degeneration 471.1 is a specific code that can be used to specify a diagnosis 471.1 contains 4 index entries ICD-9-CM Diagnosis 471.8 Other polyp of sinus 471.8 is a specific code that can be used to specify a diagnosis 471.8 contains 8 index entries ICD-9-CM Diagnosis 471.9 Unspecified nasal polyp Focal accumulations of EDEMA fluid in the NASAL MUCOSA accompanied by HYPERPLASIA of the associated submucosal connective tissue. Polyps may be NEOPLASMS, foci of INFLAMMATION, degenerative lesions, or malformations. 471.9 is a specific code that can be used to specify a diagnosis 471.9 contains 5 index entries