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474.9 CHR T & A DIS NOS


Code Information

Diagnosis Code: 474.9

Short Description: Chr T & A dis NOS

Long Description: Unspecified chronic disease of tonsils and adenoids

Code Classification:

  • Diseases of the respiratory system (460–519)
    • Other diseases of upper respiratory tract (470-478)
      • 474 Chronic disease of tonsils and adenoids
        • 474.9 Chr T & A dis NOS

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 474.9 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Adenoids (congenital) (of nasal fossa) 474.9
    • hypertrophy 474.12
    • vegetations 474.2
  • Disease, diseased - see also Syndrome
    • adenoids (and tonsils) (chronic) 474.9
    • tonsils, tonsillar (and adenoids) (chronic) 474.9
      • specified NEC 474.8
  • Lesion(s)
    • tonsillar fossa 474.9

Crosswalk Information

The code 474.9 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
474.9 Right Arrow J35.9 Chronic disease of tonsils and adenoids, unspecified
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
474.12 Hypertrophy of adenoids alone
474.2 Adenoid vegetations
474.8 Other chronic disease of tonsils and adenoids

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

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