Specific code 2014 ICD-9-CM Diagnosis Code 474.9
Unspecified chronic disease of tonsils and adenoids
  • Billable Code
  • Short description: Chr T & A dis NOS.
  • ICD-9-CM 474.9 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 474.9 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Adenoid disease
  • Chronic disease of tonsils AND/OR adenoids
  • Chronic tonsil and adenoid disease
  • Disorder of adenoid
  • Tonsil and adenoid disease, chronic
Applies To
  • Disease (chronic) of tonsils (and adenoids)
Convert to ICD-10-CM: 474.9 converts directly to:
  • 2014 ICD-10-CM J35.9 Chronic disease of tonsils and adenoids, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 474.9:
  • Adenoids (congenital) (of nasal fossa) 474.9
  • Disease, diseased - see also Syndrome
    • adenoids (and tonsils) (chronic) 474.9
    • tonsils, tonsillar (and adenoids) (chronic) 474.9
  • Lesion(s)
    • tonsillar fossa 474.9
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 474.9 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.