Chapter XI
Diseases of the digestive system
(K00-K93)
Other diseases of intestines
(K55-K63)
K55 | Vascular disorders of intestine Latin: Morbi vasorum intestini | |||||||
Excludes: | necrotizing enterocolitis of fetus or newborn (P77) | |||||||
K55.0 | Acute vascular disorders of intestine Latin: Morbi vasorum intestini acuti | |||||||
Acute: · fulminant ischaemic colitis · intestinal infarction · small intestine ischaemia Mesenteric (artery)(vein): · embolism · infarction · thrombosis Subacute ischaemic colitis | ||||||||
K55.1 | Chronic vascular disorders of intestine Latin: Morbi vasorum intestini chronici | |||||||
Chronic ischaemic: · colitis · enteritis · enterocolitis Ischaemic stricture of intestine Mesenteric: · atherosclerosis · vascular insufficiency | ||||||||
K55.2 | Angiodysplasia of colon Latin: Angiodysplasia coli | |||||||
K55.8 | Other vascular disorders of intestine Latin: Morbi vasorum intestini alia | |||||||
K55.9 | Vascular disorder of intestine, unspecified Latin: Morbus intestini vascularis, non specificatus | |||||||
Ischaemic: | ||||||||
· colitis · enteritis · enterocolitis | } } } | NOS |
K56 | Paralytic ileus and intestinal obstruction without hernia Latin: Ileus paralyticus et obstructio intestinalis, sine hernia | |||||||
Excludes: | congenital stricture or stenosis of intestine (Q41-Q42) ischaemic stricture of intestine (K55.1) meconium ileus (E84.1) obstruction of duodenum (K31.5) postoperative intestinal obstruction (K91.3) stenosis of anus or rectum (K62.4) with hernia (K40-K46) | |||||||
K56.0 | Paralytic ileus Latin: Ileus paralyticus | |||||||
Paralysis of: · bowel · colon · intestine | ||||||||
Excludes: | gallstone ileus (K56.3) ileus NOS (K56.7) obstructive ileus NOS (K56.6) | |||||||
K56.1 | Intussusception Latin: Incarceratio | |||||||
Intussusception or invagination of: · bowel · colon · intestine · rectum | ||||||||
Excludes: | intussusception of appendix (K38.8) | |||||||
K56.2 | Volvulus Latin: Volvulus | |||||||
Strangulation Torsion Twist | } } } | of colon or intestine | ||||||
K56.3 | Gallstone ileus Latin: Ileus cholelithiatica | |||||||
Obstruction of intestine by gallstone | ||||||||
K56.4 | Other impaction of intestine Latin: Impactio intestini alia | |||||||
Enterolith Impaction (of): · colon · faecal | ||||||||
K56.5 | Intestinal adhesions [bands] with obstruction Latin: Adhaesiones intestini obstructionales | |||||||
Peritoneal adhesions [bands] with intestinal obstruction | ||||||||
K56.6 | Other and unspecified intestinal obstruction Latin: Ileus alius, non specificatus | |||||||
Enterostenosis Obstructive ileus NOS | ||||||||
Occlusion Stenosis Stricture | } } } | of colon or intestine | ||||||
Excludes: | other and unspecified neonatal intestinal obstruction classifiable to P76.8, P76.9 | |||||||
K56.7 | Ileus, unspecified Latin: Ileus, non specificatus |
K57 | Diverticular disease of intestine Latin: Diverticulosis intestini | |||||||
Includes: | diverticulitis diverticulosis diverticulum | } } } | of (small)(large) intestine | |||||
Excludes: | congenital diverticulum of intestine (Q43.8) diverticulum of appendix (K38.2) Meckel's diverticulum (Q43.0) | |||||||
K57.0 | Diverticular disease of small intestine with perforation and abscess Latin: Diverticulosis intestini tenuis perforans cum abscessu | |||||||
Diverticular disease of small intestine with peritonitis | ||||||||
Excludes: | diverticular disease of both small and large intestine with perforation and abscess (K57.4) | |||||||
K57.1 | Diverticular disease of small intestine without perforation or abscess Latin: Diverticulosis inestini tenuis non perforans sine abscessu | |||||||
Diverticular disease of small intestine NOS | ||||||||
Excludes: | diverticular disease of both small and large intestine without perforation or abscess (K57.5) | |||||||
K57.2 | Diverticular disease of large intestine with perforation and abscess Latin: Diverticulosis coli perforans cum abscessu | |||||||
Diverticular disease of colon with peritonitis | ||||||||
Excludes: | diverticular disease of both small and large intestine with perforation and abscess (K57.4) | |||||||
K57.3 | Diverticular disease of large intestine without perforation or abscess Latin: Diverticulosis coli on perforans cum abscessu | |||||||
Diverticular disease of colon NOS | ||||||||
Excludes: | diverticular disease of both small and large intestine without perforation or abscess (K57.5) | |||||||
K57.4 | Diverticular disease of both small and large intestine with perforation and abscess Latin: Diverticulosis intestini et coli perforans cum abscessu | |||||||
Diverticular disease of both small and large intestine with peritonitis | ||||||||
K57.5 | Diverticular disease of both small and large intestine without perforation or abscess Latin: Diverticulosis intestini et coli non perforans sine abscessu | |||||||
Diverticular disease of both small and large intestine NOS | ||||||||
K57.8 | Diverticular disease of intestine, part unspecified, with perforation and abscess Latin: Diverticulosis intestini, partis non specificatae, perforans cum abscessu | |||||||
Diverticular disease of intestine NOS with peritonitis | ||||||||
K57.9 | Diverticular disease of intestine, part unspecified, without perforation or abscess Latin: Diverticulosis intestini, partis non specificatae, non perforans sine abscessu | |||||||
Diverticular disease of intestine NOS |
K58 | Irritable bowel syndrome Latin: Syndroma intestini irritabilis | |||||||
Includes: | irritable colon | |||||||
K58.0 | Irritable bowel syndrome with diarrhoea Latin: Syndroma intestini irritabilis sine diarrhoea | |||||||
K58.9 | Irritable bowel syndrome without diarrhoea Latin: Syndroma intestini irritabilis cum diarrhoea | |||||||
Irritable bowel syndrome NOS |
K59 | Other functional intestinal disorders Latin: Functio laesa intestini alia | |||||||
Excludes: | change in bowel habit NOS (R19.4) functional disorders of stomach (K31.-) intestinal malabsorption (K90.-) psychogenic intestinal disorders (F45.3) | |||||||
K59.0 | Constipation Latin: Opstipatio | |||||||
K59.1 | Functional diarrhoea Latin: Diarrhoea functionalis | |||||||
K59.2 | Neurogenic bowel, not elsewhere classified Latin: Intestinum neuroticum | |||||||
K59.3 | Megacolon, not elsewhere classified Latin: Megacolon | |||||||
Dilatation of colon Toxic megacolon | ||||||||
Use additional external cause code (Chapter XX), if desired, to identify toxic agent. | ||||||||
Excludes: | megacolon (in): · Chagas' disease (B57.3) · congenital (aganglionic) (Q43.1) · Hirschsprung's disease (Q43.1) | |||||||
K59.4 | Anal spasm Latin: Spasmus analis | |||||||
Proctalgia fugax | ||||||||
K59.8 | Other specified functional intestinal disorders Latin: Disordines intestini functionales aliae, specificati | |||||||
Atony of colon | ||||||||
K59.9 | Functional intestinal disorder, unspecified Latin: Disordo intestini functionalis, non specificatus |
K60 | Fissure and fistula of anal and rectal regions Latin: Fissura et fistula ani et fissura et fistula rectalis | |||||||
Excludes: | with abscess or cellulitis (K61.-) | |||||||
K60.0 | Acute anal fissure Latin: Fissura ani acuta | |||||||
K60.1 | Chronic anal fissure Latin: Fissura ani chronica | |||||||
K60.2 | Anal fissure, unspecified Latin: Fissura ani, non specificata | |||||||
K60.3 | Anal fistula Latin: Fistula ani | |||||||
K60.4 | Rectal fistula Latin: Fistula recti | |||||||
Fistula of rectum to skin | ||||||||
Excludes: | fistula: · rectovaginal (N82.3) · vesicorectal (N32.1) | |||||||
K60.5 | Anorectal fistula Latin: Fistula anorectalis |
K61 | Abscess of anal and rectal regions Latin: Abscessus ani et regionis rectalis | |||||||
Includes: | abscess cellulitis | } } | of anal and rectal regions with or without fistula | |||||
K61.0 | Anal abscess Latin: Abscessus ani | |||||||
Perianal abscess | ||||||||
Excludes: | intrasphincteric abscess (K61.4) | |||||||
K61.1 | Rectal abscess Latin: Abscessus recti | |||||||
Perirectal abscess | ||||||||
Excludes: | ischiorectal abscess (K61.3) | |||||||
K61.2 | Anorectal abscess Latin: Abscessus anorectalis | |||||||
K61.3 | Ischiorectal abscess Latin: Abscessus ischiorectalis | |||||||
Abscess of ischiorectal fossa | ||||||||
K61.4 | Intrasphincteric abscess Latin: Abscessus intrasphinctericus |
K62 | Other diseases of anus and rectum Latin: Morbi ani et morbi recti alii | |||||||
Includes: | anal canal | |||||||
Excludes: | colostomy and enterostomy malfunction (K91.4) faecal incontinence (R15) haemorrhoids (I84.-) ulcerative proctitis (K51.2) | |||||||
K62.0 | Anal polyp Latin: Polypus ani | |||||||
K62.1 | Rectal polyp Latin: Polypus recti | |||||||
Excludes: | adenomatous polyp (D12.8) | |||||||
K62.2 | Anal prolapse Latin: Prolapsus ani | |||||||
Prolapse of anal canal | ||||||||
K62.3 | Rectal prolapse Latin: Prolapsus recti | |||||||
Prolapse of rectal mucosa | ||||||||
K62.4 | Stenosis of anus and rectum Latin: Stenosis ani et recti | |||||||
Stricture of anus (sphincter) | ||||||||
K62.5 | Haemorrhage of anus and rectum Latin: Haemorrhagia ani et recti | |||||||
Excludes: | neonatal rectal haemorrhage (P54.2) | |||||||
K62.6 | Ulcer of anus and rectum Latin: Ulcus ani et recti | |||||||
Ulcer: · solitary · stercoral | ||||||||
Excludes: | fissure and fistula of anus and rectum (K60.-) in ulcerative colitis (K51.-) | |||||||
K62.7 | Radiation proctitis Latin: Proctitis radiationalis | |||||||
K62.8 | Other specified diseases of anus and rectum Latin: Morbi ani et recti alii, specificati | |||||||
Proctitis NOS | ||||||||
K62.9 | Disease of anus and rectum, unspecified Latin: Morbus ani et recti, non specificatus |
K63 | Other diseases of intestine Latin: Morbi intestini alii | |||||||
K63.0 | Abscess of intestine Latin: Abscessus intestini | |||||||
Excludes: | abscess of: · anal and rectal regions (K61.-) · appendix (K35.1) with diverticular disease (K57.-) | |||||||
K63.1 | Perforation of intestine (nontraumatic) Latin: Perforatio intestini, non traumatica | |||||||
Excludes: | perforation (nontraumatic) of: · appendix (K35.0) · duodenum (K26.-) with diverticular disease (K57.-) | |||||||
K63.2 | Fistula of intestine Latin: Fistula intestini | |||||||
Excludes: | fistula (of): · anal and rectal regions (K60.-) · appendix (K38.3) · duodenum (K31.6) · intestinal-genital, female (N82.2-N82.4) · vesicointestinal (N32.1) | |||||||
K63.3 | Ulcer of intestine Latin: Ulcus intestini | |||||||
Primary ulcer of small intestine | ||||||||
Excludes: | ulcer (of): · anus or rectum (K62.6) · duodenal (K26.-) · gastrointestinal (K28.-) · gastrojejunal (K28.-) · jejunal (K28.-) · peptic, site unspecified (K27.-) ulcerative colitis (K51.-) | |||||||
K63.4 | Enteroptosis Latin: Enteroptosis | |||||||
K63.5 | Polyp of colon Latin: . | |||||||
Excludes: | adenomatous polyp of colon (D12.6) polyposis of colon (D12.6) | |||||||
K63.8 | Other specified diseases of intestine Latin: Morbi intestini alii, specificati | |||||||
K63.9 | Disease of intestine, unspecified Latin: Morbus intestini, non specificatus |
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