Diagnosis Code: 475

Short Description: Peritonsillar abscess

Long Description: Peritonsillar abscess

Code Classification:

• Diseases of the respiratory system (460–519)
  • Other diseases of upper respiratory tract (470-478)
    • 475 Peritonsillar abscess
      • 475 Peritonsillar abscess

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 475 has the following ICD-9-CM references to the Index of Diseases and Injuries

• Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9
  • circumtonsillar 475
  • intratonsillar 475
  • lingual 529.0
    • tonsil 475
  • peritonsillar 475
  • posttonsillar 475
  • tonsil(s) (lingual) 475
  • tonsillopharyngeal 475

• Angina (attack) (cardiac) (chest) (effort) (heart) (pectoris) (syndrome) (vasomotor) 413.9
  • phlegmonous 475
    • diphtheritic 032.0
  • tonsil 475

• Cellulitis (diffuse) (with lymphangitis) (see also Abscess) 682.9
  • peritonsillar 475
  • tonsil 475

• Cynanche
  • tonsillaris 475

• Gangrene, gangrenous (anemia) (artery) (cellulitis) (dermatitis) (dry) (infective) (moist) (pemphigus) (septic) (skin) (stasis) (ulcer) 785.4
  • quinsy 475

• Hemorrhage, hemorrhagic (nontraumatic) 459.0
  • peritonsillar tissue 474.8
    • due to infection 475

• Peritonsillitis 475

• Quinsy (gangrenous) 475

• Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (purulent) (septic) (staphylococcal) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral) 463
  • parenchymatous 475

Crosswalk Information

The code 475 converts into the following ICD-10 code(s):

Similar Codes

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

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