Specific code 2011 ICD-9-CM Diagnosis Code 474.02
Chronic tonsillitis and adenoiditis
  • Short description: Chronic tonsils&adenoids.
  • ICD-9-CM 474.02 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 474.02 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 474.02.
  • More recent version(s) of ICD-9-CM 474.02: 2012 2013 2014.
Disease Synonyms
  • Adenotonsillitis, chronic
  • Chronic adenotonsillitis
Convert to ICD-10-CM: 474.02 converts directly to:
  • 2014 ICD-10-CM J35.03 Chronic tonsillitis and adenoiditis
ICD-9-CM Volume 2 Index entries containing back-references to 474.02:
  • Adenoiditis 474.01
    • chronic 474.01
      • with chronic tonsillitis 474.02
  • Hypertrophy, hypertrophic
    • tonsil (faucial) (infective) (lingual) (lymphoid) 474.11
  • Infection, infected, infective (opportunistic) 136.9
    • adenoid (chronic) 474.01
      • acute 463
      • and tonsil (chronic) 474.02
        • acute or subacute 463
    • focal
      • teeth (pulpal origin) 522.4
      • tonsils 474.00
        • and adenoids 474.02
    • tonsil (faucial) (lingual) (pharyngeal) 474.00
      • acute or subacute 463
      • and adenoid 474.02
      • tag 474.00
  • Septic - see also condition
    • adenoids 474.01
      • and tonsils 474.02
    • tonsils 474.00
      • and adenoids 474.02
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 474.02 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 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.