OTHER DISEASES OF INTESTINES AND PERITONEUM (560-569)
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
Excludes:
fecal impaction (560.32)
incomplete defecation (787.61)
psychogenic constipation (306.4)
564.1: Irritable bowel syndrome
Irritable colon
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
Excludes:
malabsorption (579.0-579.9)
564.9: Unspecified functional disorder of intestine
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