474.12 HYPERTROPHY ADENOIDS


Code Information

Diagnosis Code: 474.12

Short Description: Hypertrophy adenoids

Long Description: Hypertrophy of adenoids alone

Code Classification:

  • Diseases of the respiratory system (460–519)
    • Other diseases of upper respiratory tract (470-478)
      • 474 Chronic disease of tonsils and adenoids
        • 474.12 Hypertrophy adenoids

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 474.12 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Adenoids (congenital) (of nasal fossa) 474.9
    • hypertrophy 474.12
  • Enlargement, enlarged - see also Hypertrophy
    • adenoids 474.12
      • and tonsils 474.10
  • Growth (fungoid) (neoplastic) (new) (M8000/1) - see also Neoplasm, by site, unspecified nature
    • adenoid (vegetative) 474.12
      • benign (M8000/0) - see Neoplasm, by site, benign
  • Hyperplasia, hyperplastic
    • adenoids (lymphoid tissue) 474.12
      • and tonsils 474.10
  • Hypertrophy, hypertrophic
    • adenoids (infectional) 474.12
      • and tonsils (faucial) (infective) (lingual) (lymphoid) 474.10
    • pharyngeal tonsil 474.12

Crosswalk Information

The code 474.12 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
474.12 Right Arrow J35.2 Hypertrophy of adenoids
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
474.00 Chronic tonsillitis
474.01 Chronic adenoiditis
474.02 Chronic tonsillitis and adenoiditis
474.10 Hypertrophy of tonsil with adenoids
474.11 Hypertrophy of tonsils alone
474.2 Adenoid vegetations
474.8 Other chronic disease of tonsils and adenoids
474.9 Unspecified chronic disease of tonsils and adenoids


This page was last updated on: 10/1/2014