Diseases of appendix (K35-K38)

K35Acute appendicitis

K35.2Acute appendicitis with generalized peritonitis

K35.20Acute appendicitis with generalized peritonitis, without abscess

K35.200Acute appendicitis with generalized peritonitis, without perforation or abscess
› (Acute) appendicitis with generalized peritonitis without rupture or perforation of appendix NOS

K35.201Acute appendicitis with generalized peritonitis, with perforation, without abscess
› Appendicitis (acute) with generalized (diffuse) peritonitis following rupture or perforation of appendix NOS

K35.209Acute appendicitis with generalized peritonitis, without abscess, unspecified as to perforation
› (Acute) appendicitis with generalized peritonitis NOS

K35.21Acute appendicitis with generalized peritonitis, with abscess

K35.210Acute appendicitis with generalized peritonitis, without perforation, with abscess
› (Acute) appendicitis with generalized peritonitis without rupture or perforation of appendix, with abscess

K35.211Acute appendicitis with generalized peritonitis, with perforation and abscess
› Appendicitis (acute) with generalized (diffuse) peritonitis following rupture or perforation of appendix, with abscess

K35.219Acute appendicitis with generalized peritonitis, with abscess, unspecified as to perforation
› (Acute) appendicitis with generalized peritonitis and abscess NOS

K35.3Acute appendicitis with localized peritonitis

K35.30Acute appendicitis with localized peritonitis, without perforation or gangrene
› Acute appendicitis with localized peritonitis NOS

K35.31Acute appendicitis with localized peritonitis and gangrene, without perforation

K35.32Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscess
› (Acute) appendicitis with perforation NOS
› Perforated appendix NOS
› Ruptured appendix (with localized peritonitis) NOS

K35.33Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess
› (Acute) appendicitis with (peritoneal) abscess NOS
› Ruptured appendix with localized peritonitis and abscess

K35.8Other and unspecified acute appendicitis

K35.80Unspecified acute appendicitis
› Acute appendicitis NOS
› Acute appendicitis without (localized) (generalized) peritonitis

K35.89Other acute appendicitis

K35.890Other acute appendicitis without perforation or gangrene

K35.891Other acute appendicitis without perforation, with gangrene
› (Acute) appendicitis with gangrene NOS

K36Other appendicitis
› Chronic appendicitis
› Recurrent appendicitis

K37Unspecified appendicitis
Excludes 1: unspecified appendicitis with peritonitis (K35.2-, K35.3-)

K38Other diseases of appendix

K38.0Hyperplasia of appendix

K38.1Appendicular concretions
› Fecalith of appendix
› Stercolith of appendix

K38.2Diverticulum of appendix

K38.3Fistula of appendix

K38.8Other specified diseases of appendix
› Intussusception of appendix

K38.9Disease of appendix, unspecified