Specific code 2007 ICD-9-CM Diagnosis Code 478.21
Cellulitis of pharynx or nasopharynx
  • Short description: CELLULITIS OF PHARYNX.
  • ICD-9-CM 478.21 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 478.21 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2007 version of ICD-9-CM 478.21.
  • More recent version(s) of ICD-9-CM 478.21: 2008 2009 2010 2011 2012 2013 2014.
Disease Synonyms
  • Cellulitis of nasopharynx
  • Cellulitis of parapharyngeal space
  • Cellulitis of pharynx
  • Pharyngeal cellulitis
Convert to ICD-10-CM: 478.21 converts approximately to:
  • 2014 ICD-10-CM J39.1 Other abscess of pharynx
ICD-9-CM Volume 2 Index entries containing back-references to 478.21:
  • Cellulitis (diffuse) (with lymphangitis) (see also Abscess) 682.9
    • nasopharynx 478.21
    • pharynx 478.21
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 478.21 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 2007 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.