Gachon University Gil Medical Center in Incheon is JCI-accredited and offers advanced diagnostics for ulcerative colitis. Ultrasound starts from around A$400 and CT scans typically run up to A$1,000. The hospital provides colonoscopy, MRI, PET, and endoscopy, supporting thorough assessment. It’s a large multidisciplinary facility with 564 physicians, 24-hour emergency care, plus telemedicine for quick access. About an hour's drive from Incheon International Airport, it’s well placed for Australian patients.