Irritable bowel syndrome or certain specified functional bowel disorders

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

This group incorporates functional bowel disorders which principally present symptoms attributable to the intestinal tract in the absence of specific and unique organic pathology in the small and large intestine.

exclusions

• Bodily distress disorder  (6C20)
• Hypochondriasis  (6B23)

sections/codes in this section (DD91-DD91)

• Irritable bowel syndrome  (DD91.0)
• Functional constipation  (DD91.1)
• Functional diarrhoea  (DD91.2)
• Functional bloating  (DD91.3)
• Functional abdominal pain syndrome  (DD91.4)
• Other specified irritable bowel syndrome or functional bowel disorders  (DD91.Y)
• Irritable bowel syndrome or functional bowel disorders, unspecified  (DD91.Z)

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