Catalog
Obscure gastrointestinal bleeding
Link to WHO Definition
Obscure gastrointestinal bleeding – http://id.who.int/icd/entity/1605692345
Obscure gastrointestinal bleeding (OGIB) is defined as gastrointestinal bleeding with no source identified at upper and lower endoscopy. Despite a thorough endoscopic examination, the origin of the blood loss remains unexplained and observed for further bleeding.