Specific code 2015 ICD-9-CM Diagnosis Code 474.11
Hypertrophy of tonsils alone
  • 2015
  • Billable Code
  • ICD-9-CM 474.11 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 474.11 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Hypertrophy (enlargement) of tonsil
  • Hypertrophy of lingual tonsil
  • Hypertrophy of tonsil
  • Hypertrophy of tonsils
  • Lingual tonsil hypertrophy
  • Tonsil hypertrophy
Convert to ICD-10-CM: 474.11 converts directly to:
  • 2015 ICD-10-CM J35.1 Hypertrophy of tonsils
ICD-9-CM Volume 2 Index entries containing back-references to 474.11:
  • Enlargement, enlarged - see also Hypertrophy
    • tonsils 474.11
  • Hyperplasia, hyperplastic
    • tonsil (lymphoid tissue) 474.11
  • Hypertrophy, hypertrophic
    • lingual tonsil (infectional) 474.11
    • tonsil (faucial) (infective) (lingual) (lymphoid) 474.11
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 474.11 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.