Rome IV Diagnostic Criteria for Unspecified Functional Bowel Disorder
Use in patients who present with bowel symptoms for at least 6 months for which there is no systemic cause or other functional bowel disorder.
Patients with any of the following features must be evaluated clinically for other diagnoses even though functional constipation may be present:
Signs or symptoms of gastrointestinal bleeding.
Unexplained iron deficiency anemia.
Unintentional weight loss.
Palpable abdominal mass or lymphadenopathy on exam.
Family history of colon cancer and have not had age-appropriate colon cancer screening.
Onset of symptoms age ≥50 years and have not had age-appropriate colon cancer screening.
Sudden or acute onset of new change in bowel habit.
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