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 of stomach and duodenum NOS
 * K31.82 Dieulafoy lesion (hemorrhagic) of stomach and duodenum
 * Excludes2: Dieulafoy lesion of intestine (K63.81)
 * K31.83 Achlorhydria
 * K31.89 Other diseases of stomach and duodenum
 * K31.9 Disease of stomach and duodenum, unspecified

=Diseases of appendix (K35-K38)=

K35 Acute appendicitis

 * K35.2 Acute appendicitis with generalized peritonitis
 * Appendicitis (acute) with generalized (diffuse) peritonitis following rupture or perforation of appendix
 * Appendicitis with peritonitis NOS
 * Perforated appendix NOS
 * Ruptured appendix NOS
 * K35.3 Acute appendicitis with localized peritonitis
 * Acute appendicitis with localized peritonitis with or without rupture or perforation of appendix
 * Acute appendicitis with peritoneal abscess
 * K35.8 Other and unspecified acute appendicitis
 * K35.80 Unspecified acute appendicitis
 * Acute appendicitis NOS
 * Acute appendicitis without (localized) (generalized) peritonitis
 * K35.89 Other acute appendicitis

K36 Other appendicitis

 * Includes: chronic appendicitis
 * recurrent appendicitis

K37 Unspecified appendicitis

 * Excludes1:-unspecified appendicitis with peritonitis (K35.2-K35.3)

K38 Other diseases of appendix

 * K38.0 Hyperplasia of appendix
 * K38.1 Appendicular concretions
 * Fecalith of appendix
 * Stercolith of appendix
 * K38.2 Diverticulum of appendix
 * K38.3 Fistula of appendix
 * K38.8 Other specified diseases of appendix
 * Intussusception of appendix
 * K38.9 Disease of appendix, unspecified

=Hernia (