Disorder

A. Esophageal disorders

A1. Globus

A2. Rumination syndrome

A3. Functional chest pain of persumed esophageal origin

A4. Functional heartburn (no pathological acid reflux)

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 dysynergia

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