| Abbreviations | Meaning |
 | SBS | Short Bowel Syndrome |
 | SIS | Small Intestinal Submucosa |
 | BSN | Bowel Sounds Normal |
 | UGI | (see GI) Upper Gastrointestinal |
 | SLUDGE | Salivation, Lacrimation, Urination, Defecation, Gastrointestinal Upset, Emesis |
 | GA | Gastric Analysis |
 | FGS | Fibrogastroscopy; Focal Glomerular Sclerosis; Formal Genesis Syndrome |
 | GII | Gastrointestinal Infection |
 | I-IEL | Intestinal Intraepithelial Lymphocyte |
 | SBFT | Small Bowel Follow-through |
 | HGM | Human Gastric Mucin |
 | GADH | Gastric Alcohol Dehydrogenase |
 | SBS | Small Bowel Series |
 | WBI | Web-based Instruction [telemedicine]; Whole Bowel Irrigation |
 | GITS | Gastrointestinal Therapeutic System |