Lab Tests
Located in the University Hospital Medical Procedures Unit, the Gastrointestinal Physiology and Manometry Laboratory provides the following specialized services:
- Anorectal manometry
- testing of pelvic floor neural function
- constipation and fecal incontinence
- biofeedback training
- Capsule endoscopy
- obscure GI bleeding
- iron deficiency anemia
- suspected Crohn's disease
- Colonic transit testing
- Esophageal function testing
- swallowing evaluation
- esophageal manometry
- ambulatory esophageal pH monitoring
- Gastric acid secretory testing
- Gastroduodenal manometry
- Hydrogen breath test
- lactose
- glucose
- fructose
- sucrose
- Invasive testing of pancreatic exocrine function
- secretin testing
- Noninvasive Helicobacter pylori testing
- pH monitoring
- Secretin stimulation testing
- Sphincter of Oddi manometry
Also, in selected cases the following experimental tests are available:
- 13C-octanoate breath testing for gastric emptying
- ambulatory gastroduodenal manometry
- barostat testing
- electrogastrography
Appointments: 734-936-9250
Location:
Medical Procedures Unit
2nd Floor
University Hospital
Ann Arbor, MI 48109
Attending Physicians: William Chey, M.D.

