2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Other Diseases Of Upper Respiratory Tract 470-478 >  2008 ICD-9-CM Diagnosis 475
Peritonsillar abscess On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 475 can be accessed here. - An abscess in the peritonsillar tissue extending into the tonsil capsule, resulting from suppuration of the tonsil. (Dorland, 27th ed)
- 475 is a specific code that can be used to specify a diagnosis
- 475 contains 17 index entries
475 also known as:- Abscess of tonsil
- Peritonsillar cellulitis
- Quinsy
475 excludes:
Index entries containing 475:- 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
- 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
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