OTHER DISEASES OF INTESTINES AND PERITONEUM (560-569)

• 560 Intestinal obstruction without mention of hernia
  • Excludes: duodenum (537.2-537.3)
    • inguinal hernia with obstruction (550.1)
    • intestinal obstruction complicating hernia (552.0-552.9)
    • mesenteric:
      • embolism (557.0)
      • infarction (557.0)
      • thrombosis (557.0)
    • neonatal intestinal obstruction (277.01, 777.1-777.2, 777.4)
  • 560.0 Intussusception
    • Intussusception (colon) (intestine) (rectum)
    • Invagination of intestine or colon
    • Excludes: intussusception of appendix (543.9)
  • 560.1 Paralytic ileus
    • Adynamic ileus
    • Ileus (of intestine) (of bowel) (of colon)
    • Paralysis of intestine or colon
    • Excludes: gallstone ileus (560.31)
  • 560.2 Volvulus
    • Knotting of intestine, bowel, or colon
    • Strangulation of intestine, bowel, or colon
    • Torsion of intestine, bowel, or colon
    • Twist of intestine, bowel, or colon
  • 560.3 Impaction of intestine
    • 560.30 Impaction of intestine, unspecified
      • Impaction of colon
    • 560.31 Gallstone ileus
      • Obstruction of intestine by gallstone
    • 560.39 Other
      • Concretion of intestine
      • Enterolith
      • Fecal impaction
  • 560.8 Other specified intestinal obstruction
    • 560.81 Intestinal or peritoneal adhesions with obstruction (postoperative) (postinfective)
      • Excludes: adhesions without obstruction (568.0)
    • 560.89 Other
      • Mural thickening causing obstruction
      • Excludes: ischemic stricture of intestine (557.1)
  • 560.9 Unspecified intestinal obstruction
    • Enterostenosis
    • Obstruction of intestine or colon
    • Occlusion of intestine or colon
    • Stenosis of intestine or colon
    • Stricture of intestine or colon
    • Excludes: congenital stricture or stenosis of intestine (751.1-751.2)
• 562 Diverticula of intestine
  • Use additional code to identify any associated:
    • peritonitis (567.0-567.9)
  • Excludes: congenital diverticulum of colon (751.5)
    • diverticulum of appendix (543.9)
    • Meckel's diverticulum (751.0)
  • 562.0 Small intestine
    • 562.00 Diverticulosis of small intestine (without mention of hemorrhage)
      • Diverticulosis:
        • duodenum without mention of diverticulitis
        • ileum without mention of diverticulitis
        • jejunum without mention of diverticulitis
    • 562.01 Diverticulitis of small intestine (without mention of hemorrhage)
      • Diverticulitis (with diverticulosis):
        • duodenum
        • ileum
        • jejunum
        • small intestine
    • 562.02 Diverticulosis of small intestine with hemorrhage
    • 562.03 Diverticulitis of small intestine with hemorrhage
  • 562.1 Colon
    • 562.10 Diverticulosis of colon (without mention of hemorrhage)
      • Diverticulosis without mention of diverticulitis:
        • NOS
        • intestine (large) without mention of diverticulitis
      • Diverticular disease (colon) without mention of diverticulitis
    • 562.11 Diverticulitis of colon without mention of hemorrhage
      • Diverticulitis (with diverticulosis):
        • NOS
        • colon
        • intestine (large)
    • 562.12 Diverticulosis of colon with hemorrhage
    • 562.13 Diverticulitis of colon with hemorrhage
• 564 Functional digestive disorders, not elsewhere classified
  • Excludes: functional disorders of stomach (536.0-536.9)
    • those specified as psychogenic (306.4)
  • 564.0 Constipation
  • 564.1 Irritable colon
    • Colitis:
      • adaptive
      • membranous
      • mucous
    • Enterospasm
    • Irritable bowel syndrome
    • Spastic colon
  • 564.2 Postgastric surgery syndromes
    • Dumping syndrome
    • Jejunal syndrome
    • Postgastrectomy syndrome
    • Postvagotomy syndrome
    • Excludes: malnutrition following gastrointestinal surgery (579.3)
      • postgastrojejunostomy ulcer (534.0-534.9)
  • 564.3 Vomiting following gastrointestinal surgery
    • Vomiting (bilious) following gastrointestinal surgery
  • 564.4 Other postoperative functional disorders
    • Diarrhea following gastrointestinal surgery
    • Excludes: colostomy and enterostomy complications (569.60-569.69)
  • 564.5 Functional diarrhea
    • Excludes: diarrhea:
      • NOS (787.91)
      • psychogenic (306.4)
  • 564.6 Anal spasm
    • Proctalgia fugax
  • 564.7 Megacolon, other than Hirschsprung's
    • Dilatation of colon
    • Excludes: megacolon:
      • congenital [Hirschsprung's] (751.3)
      • toxic (556)
  • 564.8 Other specified functional disorders of intestine
    • Atony of colon
    • Excludes: malabsorption (579.0-579.9)
  • 564.9 Unspecified functional disorder of intestine
• 565 Anal fissure and fistula
  • 565.0 Anal fissure
    • Tear of anus, nontraumatic
    • Excludes: traumatic (863.89, 863.99)
  • 565.1 Anal fistula
    • Fistula:
      • anorectal
      • rectal
      • rectum to skin
    • Excludes: fistula of rectum to internal organs=see Alphabetic Index
      • ischiorectal fistula (566)
      • rectovaginal fistula (619.1)
• 566 Abscess of anal and rectal regions
  • Abscess:
    • ischiorectal
    • perianal
    • perirectal
  • Cellulitis:
    • anal
    • perirectal
    • rectal
  • Ischiorectal fistula
• 567 Peritonitis
  • Excludes: peritonitis:
    • benign paroxysmal (277.3)
    • pelvic, female (614.5, 614.7)
    • periodic familial (277.3)
    • puerperal (670)
    • with or following:
      • abortion (634-638 with .0, 639.0)
      • appendicitis (540.0-540.1)
      • ectopic or molar pregnancy (639.0)
  • 567.0 Peritonitis in infectious diseases classified elsewhere
    • Code first underlying disease
    • Excludes: peritonitis:
      • gonococcal (098.86)
      • syphilitic (095.2)
      • tuberculous (014.0)
  • 567.1 Pneumococcal peritonitis
  • 567.2 Other suppurative peritonitis
    • Abscess (of):
      • abdominopelvic
      • mesenteric
      • omentum
      • peritoneum
      • retrocecal
      • retroperitoneal
      • subdiaphragmatic
      • subhepatic
      • subphrenic
    • Peritonitis (acute):
      • general
      • pelvic, male
      • subphrenic
      • suppurative
  • 567.8 Other specified peritonitis
    • Chronic proliferative peritonitis
    • Fat necrosis of peritoneum
    • Mesenteric saponification
    • Peritonitis due to:
      • bile
      • urine
  • 567.9 Unspecified peritonitis
    • Peritonitis:
      • NOS
      • of unspecified cause
• 568 Other disorders of peritoneum
  • 568.0 Peritoneal adhesions (postoperative) (postinfective)
    • Adhesions (of):
      • abdominal (wall)
      • diaphragm
      • intestine
      • male pelvis
      • mesenteric
      • omentum
      • stomach
    • Adhesive bands
    • Excludes: adhesions:
      • pelvic, female (614.6)
      • with obstruction:
        • duodenum (537.3)
        • intestine (560.81)
  • 568.8 Other specified disorders of peritoneum
    • 568.81 Hemoperitoneum (nontraumatic)
    • 568.82 Peritoneal effusion (chronic)
      • Excludes: ascites NOS (789.5)
    • 568.89 Other
      • Peritoneal:
        • cyst
        • granuloma
  • 568.9 Unspecified disorder of peritoneum
• 569 Other disorders of intestine
  • 569.0 Anal and rectal polyp
  • 569.1 Rectal prolapse
    • Procidentia:
      • anus (sphincter)
      • rectum (sphincter)
    • Proctoptosis
    • Prolapse:
      • anal canal
      • rectal mucosa
    • Excludes: prolapsed hemorrhoids (455.2, 455.5)
  • 569.2 Stenosis of rectum and anus
    • Stricture of anus (sphincter)
  • 569.3 Hemorrhage of rectum and anus
    • Excludes: gastrointestinal bleeding NOS (578.9)
      • melena (578.1)
  • 569.4 Other specified disorders of rectum and anus
    • 569.41 Ulcer of anus and rectum
      • Solitary ulcer of anus (sphincter) or rectum (sphincter)
      • Stercoral ulcer of anus (sphincter) or rectum (sphincter)
    • 569.42 Anal or rectal pain
    • 569.49 Other
      • Granuloma of rectum (sphincter)
      • Rupture of rectum (sphincter)
      • Hypertrophy of anal papillae
      • Proctitis NOS
      • Excludes: fistula of rectum to:
        • internal organs see=Alphabetic Index
        • skin (565.1)
        • hemorrhoids (455.0-455.9)
        • incontinence of sphincter ani (787.6)
  • 569.5 Abscess of intestine
    • Excludes: appendiceal abscess (540.1)
  • 569.6 Colostomy and enterostomy complications
    • 569.60 Unspecified complication
    • 569.61 Infection of colostomy or enterostomy
      • Cellulitits or abscess
      • Use additional code to identify organism (041.00-041.9)
    • 569.69 Other complication
      • Malfunction
  • 569.8 Other specified disorders of intestine
    • 569.81 Fistula of intestine, excluding rectum and anus
      • Fistula:
        • abdominal wall
        • enterocolic
        • enteroenteric
        • ileorectal
      • Excludes: fistula of intestine to internal organs=see Alphabetic Index
        • persistent postoperative fistula (998.6)
    • 569.82 Ulceration of intestine
      • Primary ulcer of intestine
      • Ulceration of colon
      • Excludes: that with perforation (569.83)
    • 569.83 Perforation of intestine
    • 569.84 Angiodysplasia of intestine (without mention of hemorrhage)
    • 569.85 Angiodysplasia of intestine with hemorrhage
    • 569.89 Other
      • Enteroptosis
      • Granuloma of intestine
      • Prolapse of intestine
      • Pericolitis
      • Perisigmoiditis
      • Visceroptosis
      • Excludes: gangrene of intestine, mesentery, or omentum (557.0)
        • hemorrhage of intestine NOS (578.9)
        • obstruction of intestine (560.0-560.9)
  • 569.9 Unspecified disorder of intestine