Specific code 2012 ICD-9-CM Diagnosis Code 471.9
Unspecified nasal polyp
  • Short description: Nasal polyp NOS.
  • ICD-9-CM 471.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 471.9 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2012 version of ICD-9-CM 471.9.
  • More recent version(s) of ICD-9-CM 471.9: 2013 2014 2015.
Convert to ICD-10-CM: 471.9 converts directly to:
  • 2015/16 ICD-10-CM J33.9 Nasal polyp, unspecified
Approximate Synonyms
  • Nasal polyp
  • Nasal polyposis
  • Polyp, nose
  • Sinusitis w nasal polyposis
  • Sinusitis with nasal polyps
Applies To
  • Nasal polyp NOS
ICD-9-CM Volume 2 Index entries containing back-references to 471.9:
  • Polyp, polypus
    • nares
      • anterior 471.9
      • posterior 471.0
    • nasal (mucous) 471.9
    • nose (mucous) 471.9
    • septum (nasal) 471.9
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 471.9 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.