Optional medical device diagnostics – depending on the results of the history, physical examination, laboratory diagnostics, and obligatory medical device diagnostics – for differential diagnostic clarification depending on the exact symptoms
- Abdominal sonography (ultrasound examination of the abdominal organs) – for basic diagnostics.
- Gastroscopy (gastroscopy) – for suspected osmotic diarrhea (diarrhea) or steatorrhea (fatty stools).
- Colonoscopy (colonoscopy) – especially if secretory, inflammatory diarrhea or steatorrhea is suspected.
- X-ray examination of the small intestine according to Sellink (small bowel imaging according to Sellink) – if inflammatory diarrhea is suspected.
- Magnetic resonance imaging (MRI) according to Sellink (enteroclysma) – if secretory or inflammatory diarrhea is suspected.
- Computed tomography (CT) of the abdomen (abdominal CT) – to assess the extent of inflammation.
