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