Table 1

Functional gastrointestinal disorders

A. Esophageal disorders
 A1. Globus
 A2. Rumination syndrome
 A3. Functional chest pain of presumed esophageal origin
 A4. Functional heartburn
 A5. Functional dysphagia
 A6. Unspecified functional esophageal disorder
B. Gastroduodenal disorders
 B1. Functional dyspepsia
  B1a. Ulcer-like dyspepsia
  B1b. Dysmotility-like dyspepsia
  B1c. Unspecified (non-specific) dyspepsia
 B2. Aerophagia
 B3. Functional vomiting
C. Bowel disorders
 C1. Irritable bowel syndrome
 C2. Functional abdominal bloating
 C3. Functional constipation
 C4. Functional diarrhea
 C5. Unspecified functional bowel disorder
D. Functional abdominal pain
 D1. Functional abdominal pain syndrome
 D2. Unspecified functional abdominal pain
E. Biliary disorders
 E1. Gall bladder dysfunction
 E2. Sphincter of Oddi dysfunction
F. Anorectal disorders
 F1. Functional fecal incontinence
 F2. Functional anorectal pain
  F2a. Levator ani syndrome
  F2b. Proctalgia fugax
 F3. Pelvic floor dyssynergia
G. Functional pediatric disorders
 G1. Vomiting
  G1a. Infant regurgitation
  G1b. Infant rumination syndrome
  G1c. Cyclic vomiting syndrome
 G2. Abdominal pain
  G2a. Functional dyspepsia
  G2b. Irritable bowel syndrome
  G2c. Functional abdominal pain
  G2d. Abdominal migraine
  G2e. Aerophagia
 G3. Functional diarrhea
 G4. Disorders of defecation
  G4a. Infant dyschezia
  G4b. Functional constipation
  G4c. Functional fecal retention
  G4d. Non-retentive fecal soiling