Functional gastrointestinal disorders

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

Functional gastrointestinal disorder (FGID) is used to define several variable combinations of chronic or recurrent gastrointestinal (GI) symptoms that do not have an identified underlying pathophysiology, and that occur in the absence of underlying structural abnormalities. FGID may include a number of separate idiopathic disorders which affect different part of the gastrointestinal tract. FGID are the most common problem in gastroenterological practice. The Rome process has helped to define the functional gastrointestinal disorders.

exclusions

• Bodily distress disorder  (6C20)
• Hypochondriasis  (6B23)
• Symptoms, signs or clinical findings, not elsewhere classified  (Chapter 21)

sections/codes in this section (DD90-DD9Z)

• Functional oesophageal or gastroduodenal disorders  (DD90)
• Irritable bowel syndrome or certain specified functional bowel disorders  (DD91)
• Functional anorectal disorders  (DD92)
• Functional digestive disorders of infants, toddlers or children  (DD93)
• Functional gallbladder disorder  (DD94)
• Functional sphincter of Oddi disorder  (DD95)
• Other specified functional gastrointestinal disorders  (DD9Y)
• Functional gastrointestinal disorders, unspecified  (DD9Z)

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