ICD-9 Diagnosis Code 474.8

Chr T & A dis NEC

Diagnosis Code 474.8

ICD-9: 474.8
Short Description: Chr T & A dis NEC
Long Description: Other chronic disease of tonsils and adenoids
This is the 2014 version of the ICD-9-CM diagnosis code 474.8

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

Information for Medical Professionals

Convert to ICD-10 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Amygdalolith
  • Bleeding from tonsillar bed
  • Cicatrix of adenoid
  • Cicatrix of tonsil
  • Cryptic tonsil
  • Cyst of tonsil
  • Exudate on tonsils
  • Hemorrhage from adenoid bed
  • Peritonsillar cyst
  • Remnant adenoids
  • Tonsillar hemorrhage
  • Tonsillar remnants
  • Tonsillar retention cyst
  • Tonsillar tag
  • Ulcer of tonsil

Index of Diseases and Injuries
References found for the code 474.8 in the Index of Diseases and Injuries:

Information for Patients

Tonsils and Adenoids

Your tonsils and adenoids are part of your lymphatic system. Your tonsils are in the back of your throat. Your adenoids are higher up, behind your nose. Both help protect you from infection by trapping germs coming in through your mouth and nose.

Sometimes your tonsils and adenoids become infected. Tonsillitis makes your tonsils sore and swollen and causes a sore throat. Enlarged adenoids can be sore, make it hard to breathe and cause ear problems.

The first treatment for infected tonsils and adenoids is antibiotics. If you have frequent infections or trouble breathing, you may need surgery. Surgery to remove the tonsils is tonsillectomy. Surgery to remove adenoids is adenoidectomy.

  • Adenoid removal
  • Enlarged adenoids
  • Peritonsillar abscess
  • Tonsil and adenoid removal - discharge
  • Tonsillectomy
  • Tonsillitis

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