Specific code 2012 ICD-9-CM Diagnosis Code 462
Acute pharyngitis
  • ICD-9-CM 462 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 462 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2012 version of ICD-9-CM 462.
  • More recent version(s) of ICD-9-CM 462: 2013 2014.
Disease Synonyms
  • Acute pharyngitis (throat inflammation)
  • Infectious pharyngitis
  • Infective pharyngitis
  • Pharyngitis
  • Pharyngitis (throat inflammation)
  • Viral pharyngitis
462 Excludes
Applies To
  • Acute sore throat NOS
  • Pharyngitis (acute):
    • NOS
    • gangrenous
    • infective
    • phlegmonous
    • pneumococcal
    • staphylococcal
    • suppurative
    • ulcerative
  • Sore throat (viral) NOS
  • Viral pharyngitis
Convert to ICD-10-CM: 462 converts approximately to:
  • 2014 ICD-10-CM J02.9 Acute pharyngitis, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 462:
  • Adenopharyngitis 462
  • Angina (attack) (cardiac) (chest) (effort) (heart) (pectoris) (syndrome) (vasomotor) 413.9
    • catarrhal 462
    • erythematous 462
    • gangrenous 462
    • infectious 462
    • malignant 462
    • simple 462
    • staphylococcal 462
  • Catarrh, catarrhal (inflammation) (see also condition) 460
    • fauces (see also Pharyngitis) 462
  • Gangrene, gangrenous (anemia) (artery) (cellulitis) (dermatitis) (dry) (infective) (moist) (pemphigus) (septic) (skin) (stasis) (ulcer) 785.4
    • angina 462
    • sore throat 462
    • throat 462
  • Hypopharyngitis 462
  • Infection, infected, infective (opportunistic) 136.9
    • throat 478.29
      • pneumococcal 462
      • staphylococcal 462
      • streptococcal 034.0
      • viral NEC (see also Pharyngitis) 462
  • Inflammation, inflamed, inflammatory (with exudation)
    • pharynx (see also Pharyngitis) 462
    • throat (see also Sore throat) 462
  • Necrosis, necrotic
    • pharynx 462
  • Pharyngitis (acute) (catarrhal) (gangrenous) (infective) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (simple) (staphylococcal) (subacute) (suppurative) (ulcerative) (viral) 462
    • with influenza, flu, or grippe (see also Influenza) 487.1
    • diphtheritic (membranous) 032.0
    • fusospirochetal 101
    • infectional, chronic 472.1
    • influenzal (see also Influenza) 487.1
    • lymphonodular, acute 074.8
    • tuberculous (see also Tuberculosis) 012.8
  • Sore
    • throat 462
      • with influenza, flu, or grippe (see also Influenza) 487.1
      • acute 462
      • chronic 472.1
      • clergyman's 784.49
      • Coxsackie (virus) 074.0
      • diphtheritic 032.0
      • epidemic 034.0
      • gangrenous 462
      • herpetic 054.79
      • influenzal (see also Influenza) 487.1
      • malignant 462
      • purulent 462
      • putrid 462
      • septic 034.0
      • streptococcal (ulcerative) 034.0
      • ulcerated 462
      • viral NEC 462
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative 707.9
    • sore throat 462
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 462 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.