474.11 HYPERTROPHY TONSILS

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Code Information

Diagnosis Code: 474.11

Short Description: Hypertrophy tonsils

Long Description: Hypertrophy of tonsils 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
    - 474.11 Hypertrophy tonsils

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 474.11 has the following ICD-9-CM references to the Index of Diseases and Injuries

Enlargement, enlarged - see also Hypertrophy
- tonsils 474.11
  - and adenoids 474.10

Hyperplasia, hyperplastic
- tonsil (lymphoid tissue) 474.11
  - and adenoids 474.10

Hypertrophy, hypertrophic
- lingual tonsil (infectional) 474.11
- tonsil (faucial) (infective) (lingual) (lymphoid) 474.11
  - with
    - adenoiditis 474.01
    - tonsillitis 474.00
      - and adenoiditis 474.02
  - and adenoids 474.10

Crosswalk Information

The code 474.11 converts into the following ICD-10 code(s):

ICD-9 Code		ICD-10 Code	ICD-10 Description
474.11		J35.1	Hypertrophy of tonsils

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
474.12	Hypertrophy of adenoids 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

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