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 471.1 Polypoid sinus degeneration View the most recent version of ICD-9-CM 471.1 471.1 is a specific code that can be used to specify a diagnosis 471.1 contains 4 index entries View the ICD-9-CM Volume 1 471.* hierarchy Alternate Terminology Woakes' syndrome or ethmoiditis  Index entries containing 471.1: Degeneration, degenerative sinus (cystic) (see also Sinusitis) 473.9 polypoid 471.1 Ethmoiditis (chronic) (nonpurulent) (purulent) (see also Sinusitis, ethmoidal) 473.2 Woakes' 471.1 Syndrome - see also Disease Woakes' (ethmoiditis) 471.1 Woakes' syndrome (ethmoiditis) 471.1