Specific code 2009 ICD-9-CM Diagnosis Code 478.4
Polyp of vocal cord or larynx
  • Short description: VOCAL CORD/LARYNX POLYP.
  • ICD-9-CM 478.4 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 478.4 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 2009 version of ICD-9-CM 478.4.
  • More recent version(s) of ICD-9-CM 478.4: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 478.4 converts directly to:
  • 2015/16 ICD-10-CM J38.1 Polyp of vocal cord and larynx
Approximate Synonyms
  • Laryngeal polyp
  • Polyp of larynx
  • Polyp of vocal cord
  • Vocal cord polyp
478.4 Excludes
  • adenomatous polyps (212.1)
ICD-9-CM Volume 2 Index entries containing back-references to 478.4:
  • Polyp, polypus
    • larynx (mucous) 478.4
    • vocal cord (mucous) 478.4
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 478.4 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 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.