Gastrointestinal Function Unit

Singapore General Hospital’s Gastrointestinal Function Unit (GIFU) is a one-stop centre in Singapore capable of offering specialty investigations which are integral to the management of a wide range of functional gastrointestinal disorders.  

Our dedicated team of gastroenterologists, specialist nurses, and skilled technicians works collaboratively to provide personalised care plans tailored to each patient's needs. With expertise in both diagnostic and therapeutic procedures, we offer comprehensive solutions ranging from detailed motility studies to innovative treatment options. 

Resources for Gastrointestinal Healthcare Professionals 

For healthcare professionals seeking our clinical services, we offer streamlined channels for referrals and consultations. External healthcare providers can reach our department directly via email or scan our QR code to submit service requests through our secure FormSG platform.  

These digital touchpoints ensure efficient communication and seamless coordination of patient care between referring physicians and our GIFU team. 

Conditions We Treat: 

• Fatty Liver 
• Gastrointestinal Motility Issues 
• Gastroesophageal reflex disease 
• Functional Pelvic floor disorders (eg. Faceal incontinence and obstructed defecation) 

Services offered include:  

• Lower Gastrointestinal Tract and Pelvic Floor: 
  • High Resolution Anorectal Manometry (HRAM) 
  • Anorectal Biofeedback 
  • Colonic Transit Marker Study (TMS) 
  • 3D Endoanal Ultrasound 
  • 3D Endorectal Ultrasound 
  • Transanal Irrigation (TAI)  
• Upper Gastrointestinal Tract: 
  • Capsule Endoscopy  
  • High Resolution Oesophageal Manometry (HRM) 
  • 24h Oesophageal pH-impedance study 
  • Wireless oesophageal-pH monitoring (Bravo) 
  • Hydrogen Breath Test 
• Hepatology 
  • Fibroscan 

Contact Information

Gastrointestinal Function
Unit (GIFU)

SGH, Block 3 Level 1 (Next
to Ambulatory Endoscopy
Centre - AEC)

Yellow Zone

65 6321 4377

(for appointments only)

Clinical Services

The Gastrointestinal Function Unit is a collaboration by Department of Colorectal Surgery and Department of Gastroenterology and Hepatology. 

We offer advanced investigational facilities covering 3 essential body systems which are Upper Gastrointestinal, Lower Gastrointestinal / Pelvic Floor, Liver and Nutrition 

Services offered include:

Colorectal Surgery

• High Resolution Anorectal Manometry
• Anorectal Biofeedback
• Pudendal Nerve Terminal Motor + Latency (PNTML) measurement
• Colonic Transit Marker Study (TMS)
• 3D Endoanal Ultrasound
• 3D Endorectal Ultrasound
• Dynamic Transperineal Ultrasound
• Transrectal Ultrasound-guided Biopsy
• Transanal Irrigation (TAI)
• Percutaneous Tibial Nerve Stimulation (PTNS)
• Sacral Nerve Stimulation (SNS)

Gastroenterology

• Capsule Endoscopy (Pillcam)
• High Resolution Esophageal Manometry
• 24 pH-impedance monitoring
• Wireless Esophageal-pH monitoring (Bravo)
• Glucose Hydrogen Breath Test
• HepatologyFibroscan