{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.malabsorption","code":"thing-q1442923","url":"https://ver.cy/models/thing/q1442923/","name":"malabsorption","alternateNames":["bile acid malabsorption","Carbohydrate intolerance","postenteritis syndrome","intestinal failure","Creatorrhea","collagenous sprue"],"kind":"thing","status":"research-draft","version":"0.2.0-wave.4","language":"en","classifiers":{"family":"Thing Registry","category":"Cross-cutting context","entryKind":"thing","plane":"XCT","domain":["XCT.STA"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"Impaired absorption of nutrients from the small intestine, caused by conditions such as coeliac disease, pancreatic insufficiency, Crohn disease, infections and surgery, with forms the registry aliases name including bile acid malabsorption, causing chronic diarrhoea, carbohydrate intolerance such as lactose intolerance, postenteritis syndrome after gut infections, intestinal failure, where the gut cannot absorb enough to sustain life without support, collagenous sprue and creatorrhoea, the presence of undigested muscle fibres in stool; symptoms include diarrhoea, fatty stools, weight loss, bloating and deficiencies. Diagnosis and treatment should be guided by doctors, and severe dehydration, blood in stool or rapid weight loss need urgent care.","purpose":"Let an agent explain malabsorption in general terms, relay causes, symptoms, tests and management approaches from gastroenterology sources, route urgent signs, describe the named forms, and distinguish malabsorption from maldigestion, food allergy, irritable bowel syndrome and malnutrition from low intake, without diagnosing individuals.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Nutrient loss","Many causes","Deficiency signs","Test-guided diagnosis"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What malabsorption is.","layers":[{"id":"definition","name":"Definition","description":"Definition.","findings":[{"id":"definition-finding","name":"Definition","description":"Definition.","questions":[{"text":"Is there severe dehydration, blood in stool, fainting or rapid weight loss, in which case seek urgent medical care?","kind":"boundary"},{"text":"What is malabsorption, and how does it differ from maldigestion, food allergy, IBS and malnutrition from low intake?","kind":"definition"}]}]},{"id":"forms","name":"Forms","description":"Named forms.","findings":[{"id":"forms-finding","name":"Forms","description":"Forms.","questions":[{"text":"What are bile acid malabsorption, carbohydrate intolerance, postenteritis syndrome, intestinal failure, collagenous sprue and creatorrhoea?","kind":"definition"},{"text":"Which entry fits the specific form?","kind":"action"}]}]}]},{"id":"causes","name":"Causes","description":"Causes.","layers":[{"id":"coeliac","name":"Coeliac","description":"Coeliac disease.","findings":[{"id":"coeliac-finding","name":"Coeliac","description":"Coeliac.","questions":[{"text":"How does coeliac disease damage the intestinal lining?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"pancreas","name":"Pancreas","description":"Pancreatic insufficiency.","findings":[{"id":"pancreas-finding","name":"Pancreas","description":"Pancreas.","questions":[{"text":"How does pancreatic insufficiency cause fat malabsorption?","kind":"provenance"},{"text":"Which sources are cited?","kind":"provenance"}]}]}]},{"id":"clinical","name":"Clinical","description":"Tests and management.","layers":[{"id":"tests","name":"Tests","description":"Tests.","findings":[{"id":"tests-finding","name":"Tests","description":"Tests.","questions":[{"text":"What tests do clinicians use, such as serology, breath tests and faecal elastase?","kind":"measurement"},{"text":"Is the information current?","kind":"boundary"}]}]},{"id":"management","name":"Management","description":"Management approaches.","findings":[{"id":"management-finding","name":"Management","description":"Management.","questions":[{"text":"What general management approaches do guidelines describe, with recommendations attributed?","kind":"provenance"},{"text":"Which entry fits parenteral nutrition?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"Diet.","layers":[{"id":"diets","name":"Diets","description":"Restrictive diets.","findings":[{"id":"diets-finding","name":"Diets","description":"Diets.","questions":[{"text":"Why do clinicians advise testing before starting gluten-free or other restrictive diets?","kind":"provenance"},{"text":"Is the presentation neutral and attributed?","kind":"boundary"}]}]},{"id":"failure","name":"Intestinal failure","description":"Intestinal failure care.","findings":[{"id":"failure-finding","name":"Intestinal failure","description":"Intestinal failure.","questions":[{"text":"How is intestinal failure managed in specialist centres?","kind":"provenance"},{"text":"Which entry fits short bowel syndrome?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Explain malabsorption and its common causes in general terms.","Encourage people with persistent weight loss, diarrhoea or deficiency signs to see a clinician.","Summarise dietary guidance from named health bodies."],"mustNot":["Diagnose the cause of malabsorption in a particular person.","Advise cutting out foods, such as gluten, before testing when it may affect diagnosis.","Recommend supplement or enzyme doses for a particular person.","Share a person's diagnosis or test results without consent."],"requiresHuman":["Any treatment or diet decision for a particular patient, especially a child."]},"ethics":{"considerations":["Untreated malabsorption causes malnutrition and harms children's growth.","Self-diagnosis and restrictive diets can delay diagnosis of serious disease."],"affectedParties":["Patients","Children and their carers","Clinicians"]},"owners":{"steward":"The treating clinician answers for each patient; nobody owns the condition.","roles":[],"masterSystems":[]},"relations":[{"target":"Q2300099","type":"parent","note":"registry parent class"},{"target":"gastrointestinal system disease","type":"related","note":"in registry terms"},{"target":"coeliac disease","type":"related"},{"target":"lactose intolerance","type":"related"},{"target":"irritable bowel syndrome","type":"related"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.malabsorption","Wikidata: Q1442923 (https://www.wikidata.org/wiki/Q1442923)"]},"properties":{"applicability":"not-applicable","items":["SeHCAT test: bile acid retention scan note - used in some countries","faecal elastase: test for pancreatic insufficiency note","registry parent: gastrointestinal system disease note"]},"recognition":{"applicability":"optional","items":["Impaired nutrient absorption in the gut","Bile acid malabsorption, carbohydrate intolerance, postenteritis syndrome, intestinal failure, creatorrhoea, collagenous sprue","Maldigestion is failure to break down food; food allergy is immune; IBS is functional; malnutrition can come from low intake","Not visible directly; may show as weight loss, pale fatty stools and signs of deficiencies."]},"capabilities":{"applicability":"required","items":["explain causes and symptoms","relay tests and management approaches","describe named forms","route urgent signs"]},"hazards":{"applicability":"required","items":["Missing serious causes","Dehydration and deficiencies","Self-diagnosis with restrictive diets"]},"interfaces":{"applicability":"required","items":["Gastroenterology guidelines such as BSG and ACG","Gluten-free labelling rules"]},"context":{"applicability":"required","items":["Not applicable; a medical condition.","mucosal malabsorption such as coeliac disease","pancreatic malabsorption","bile acid malabsorption","carbohydrate malabsorption","short bowel and intestinal failure"]}},"sources":[{"title":"Wikidata item Q1442923: malabsorption","url":"https://www.wikidata.org/wiki/Q1442923","note":"identity and sense of the item"},{"title":"Wikipedia: Malabsorption","url":"https://en.wikipedia.org/wiki/Malabsorption","note":"general description of the item"}],"openQuestions":["Should intestinal failure be a separate entry?","Should creatorrhoea be moved to stool finding entries?","How should guidelines be linked and kept current?"],"resources":{"spec":"/models/things/publications/thing-q1442923/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q1442923/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-14T01:27:58Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"interaction.properties":"Plane XCT: no invented physical properties."},"score":1.0}}