- Abdominal pain
- Acute pancreatitis
- Autoimmune hepatitis
- Barrett's esophagus
- Bowel incontinence
- Celiac disease
- Clostridium difficile infection
- Collagenous colitis
- Colon cancer
- Constipation
- Crohn's disease
- Diarrhea
- Elevated liver blood test
- Epigastric pain
- Esophageal achalasia
- Esophageal stricture
- Esophageal varices
- Esophagitis (Esophagus Inflammation)
- Fatty liver disease
- Gastroesophageal reflux disease (GERD)
- Gastrointestinal bleeding (GI bleeding)
- Gastroparesis
- Helicobacter pylori (H. Pylori)
- Hemochromatosis
- Hemorrhoids
- Irritable bowel syndrome (IBS)
- Jaundice
- Lymphocytic colitis
- Lynch syndrome
- Microscopic colitis
- Nonalcoholic steatohepatitis (NASH)
- Peptic ulcer disease
- Stomach ulcer
- Swallowing difficulty
- Ulcerative colitis (UC)
- Vomiting
- Colonoscopy