Specific code 2015 ICD-9-CM Diagnosis Code 474.9
Unspecified chronic disease of tonsils and adenoids
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 474.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 474.9 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).
Convert to ICD-10-CM: 474.9 converts directly to:
  • 2015/16 ICD-10-CM J35.9 Chronic disease of tonsils and adenoids, unspecified
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)
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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.