{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.low-sodium-diet","code":"thing-q2068354","url":"https://ver.cy/models/thing/q2068354/","name":"low-sodium diet","alternateNames":[],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A low-sodium diet is an eating pattern that limits total dietary sodium intake, commonly to help lower blood pressure or manage conditions associated with sodium and fluid retention.","purpose":"Enable an agent to recognise a low-sodium dietary pattern, assess its implementation against a stated sodium target, and identify decisions requiring individual clinical context.","scope":{"in":["The sodium target, its time basis, origin and intended application","Sodium contributed by foods, drinks, cooking ingredients and table additions","Food selection, preparation, portioning and substitutions used to implement the target","Evidence of intake and the uncertainty of sodium estimates","Individual constraints, nutritional adequacy and conditions for reviewing the diet"],"out":["Chemical identity and material properties of sodium or sodium chloride","Diagnosis and treatment of conditions for which sodium restriction may be considered","Manufacturing specifications and regulatory claims for individual food products","Complete models of DASH, Mediterranean or other dietary patterns","Independent fluid, potassium, energy or other nutrient prescriptions"],"boundaries":[]},"distinguishingFeatures":["An explicit sodium target or reduction objective governs the dietary pattern; a general healthy-eating intention alone is insufficient.","Assessment covers sodium across the diet, rather than only salt added during cooking or at the table.","A diet described as reduced-sodium has a comparison baseline; that description alone does not establish compliance with an absolute sodium target.","A low-sodium claim on one food does not establish that the person's overall diet meets its sodium target.","Sodium restriction is a separable constraint that can be combined with other dietary patterns and does not by itself imply fluid restriction."],"structure":{"bundles":[{"id":"sodium-target-and-boundary","name":"Sodium target and dietary boundary","description":"Defines what restriction means for this instance of the diet and what intake it covers.","layers":[{"id":"target-definition","name":"Target definition","description":"Captures the quantitative objective and its authority.","findings":[{"id":"explicit-sodium-objective","name":"Explicit sodium objective","description":"Record the intended sodium limit or reduction without filling in an unsupported default.","questions":[{"text":"What sodium limit or reduction is intended, over what interval, and with what averaging rule?","id":"explicit-sodium-objective-q01","kind":"definition"},{"text":"Who or what established this target, when, and for which person or population?","id":"explicit-sodium-objective-q02","kind":"provenance"}]}]},{"id":"covered-intake","name":"Covered intake","description":"Defines the intake sources and neighbouring restrictions included in assessment.","findings":[{"id":"whole-diet-sodium-boundary","name":"Whole-diet sodium boundary","description":"Make the coverage of foods, drinks and added ingredients explicit, and identify any separately tracked sodium sources.","questions":[{"text":"Does the intake record cover drinks, condiments, cooking salt and table salt as well as meals and snacks?","id":"whole-diet-sodium-boundary-q01","kind":"boundary"},{"text":"How are sodium from supplements or medicines and any separate fluid restriction handled in the governing plan?","id":"whole-diet-sodium-boundary-q02","kind":"boundary"}]}]}]},{"id":"sodium-accounting","name":"Sodium accounting","description":"Connects consumed quantities to traceable sodium estimates.","layers":[{"id":"food-and-recipe-estimates","name":"Food and recipe estimates","description":"Establishes sodium amounts for the food actually consumed.","findings":[{"id":"normalised-sodium-amounts","name":"Normalised sodium amounts","description":"Retain the original nutrient basis and portion assumptions behind each estimate.","questions":[{"text":"Does each source report sodium or salt, per serving or per unit mass, and what conversion is needed?","id":"normalised-sodium-amounts-q01","kind":"measurement"},{"text":"What consumed portion, recipe yield and ingredient quantities support the sodium estimate?","id":"normalised-sodium-amounts-q02","kind":"measurement"}]}]},{"id":"coverage-and-variability","name":"Coverage and variability","description":"Qualifies totals by recording completeness and variation across days.","findings":[{"id":"intake-estimate-confidence","name":"Intake estimate confidence","description":"Distinguish observed totals from estimates affected by missing meals, uncertain recipes or changing products.","questions":[{"text":"Which sodium contributions are measured, label-derived, database-derived, estimated or missing?","id":"intake-estimate-confidence-q01","kind":"provenance"},{"text":"How do daily totals and recording gaps affect confidence in target attainment over the review interval?","id":"intake-estimate-confidence-q02","kind":"measurement"}]}]}]},{"id":"food-and-meal-implementation","name":"Food and meal implementation","description":"Models the concrete food choices and preparation practices used to reduce sodium.","layers":[{"id":"selection-and-substitution","name":"Selection and substitution","description":"Identifies changes to foods and ingredients using actual consumption patterns.","findings":[{"id":"priority-sodium-contributors","name":"Priority sodium contributors","description":"Prioritise substitutions by estimated contribution and feasibility rather than by food reputation alone.","questions":[{"text":"Which foods, drinks or ingredients contribute the most sodium at the portions and frequencies recorded?","id":"priority-sodium-contributors-q01","kind":"measurement"},{"text":"Which available substitutions reduce estimated sodium while remaining acceptable and compatible with other dietary needs?","id":"priority-sodium-contributors-q02","kind":"action"}]}]},{"id":"preparation-and-eating-context","name":"Preparation and eating context","description":"Captures control over recipes, additions and meals prepared by others.","findings":[{"id":"controllable-sodium-additions","name":"Controllable sodium additions","description":"Record where preparation choices can change sodium and where ingredient information or control is limited.","questions":[{"text":"How are salt, sauces, stocks and condiments added and apportioned in the meals consumed?","id":"controllable-sodium-additions-q01","kind":"measurement"},{"text":"What ordering, portioning or preparation actions are feasible for restaurant, institutional or shared household meals?","id":"controllable-sodium-additions-q02","kind":"action"}]}]}]},{"id":"individual-fit-and-substitutes","name":"Individual fit and substitutes","description":"Connects sodium restriction to the person's other requirements and proposed replacement ingredients.","layers":[{"id":"concurrent-requirements","name":"Concurrent requirements","description":"Checks compatibility with other dietary and clinical instructions.","findings":[{"id":"compatible-dietary-plan","name":"Compatible dietary plan","description":"Keep sodium decisions linked to separately established nutritional requirements and individual constraints.","questions":[{"text":"Which other nutrient targets, allergies or clinical instructions constrain the proposed sodium-reduction choices?","id":"compatible-dietary-plan-q01","kind":"boundary"},{"text":"Do the proposed changes preserve adequate food intake and satisfy the person's documented dietary requirements?","id":"compatible-dietary-plan-q02","kind":"action"}]}]},{"id":"salt-replacement-review","name":"Salt replacement review","description":"Treats salt substitutes as identified ingredients requiring their own assessment.","findings":[{"id":"substitute-composition-and-suitability","name":"Substitute composition and suitability","description":"Record what replaces salt, how much is used and whether individual suitability has been established.","questions":[{"text":"What are the substitute's sodium, potassium and other relevant ingredient amounts at the intended quantity?","id":"substitute-composition-and-suitability-q01","kind":"measurement"},{"text":"Does the person's documented health and medication context require professional review before this substitute is used?","id":"substitute-composition-and-suitability-q02","kind":"action"}]}]}]},{"id":"adherence-and-review","name":"Adherence and review","description":"Tracks whether the diet is implemented, sustainable and due for reassessment.","layers":[{"id":"implementation-evidence","name":"Implementation evidence","description":"Assesses observed practice and barriers to maintaining it.","findings":[{"id":"attainment-and-feasibility","name":"Attainment and feasibility","description":"Evaluate target attainment alongside taste, cost, access and preparation burden.","questions":[{"text":"Across adequately recorded intervals, how consistently does estimated intake meet the stated sodium objective?","id":"attainment-and-feasibility-q01","kind":"measurement"},{"text":"Which barriers explain departures from the plan, and what feasible adjustment addresses them?","id":"attainment-and-feasibility-q02","kind":"action"}]}]},{"id":"review-and-outcome-links","name":"Review and outcome links","description":"Connects dietary records to an authorised review process without treating health outcomes as proof of intake.","findings":[{"id":"review-triggers-and-evidence","name":"Review triggers and evidence","description":"Keep dietary attainment separate from clinical observations and document who may revise the target.","questions":[{"text":"Which scheduled reviews or documented changes in circumstances trigger reassessment of the sodium target?","id":"review-triggers-and-evidence-q01","kind":"action"},{"text":"Which linked outcome observations are available, and what limits prevent attributing their changes to sodium intake alone?","id":"review-triggers-and-evidence-q02","kind":"boundary"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of low-sodium diet this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-kinds","name":"Kinds and varieties","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these kinds and varieties hold for the sense of low-sodium diet this model covers, and on what evidence?","id":"evidence-kinds-q01","kind":"provenance"}]},{"id":"evidence-standards-and-regulation","name":"Standards and regulation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these standards and regulation hold for the sense of low-sodium diet this model covers, and on what evidence?","id":"evidence-standards-and-regulation-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of low-sodium diet this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-measurements","name":"Typical measurements","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these typical measurements hold for the sense of low-sodium diet this model covers, and on what evidence?","id":"evidence-measurements-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of low-sodium diet this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-regional-variation","name":"Regional variation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these regional variation hold for the sense of low-sodium diet this model covers, and on what evidence?","id":"evidence-regional-variation-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of low-sodium diet this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Explain what a low-sodium diet is and why it is commonly recommended, citing health authorities.","Read and report sodium or salt content from food labels.","Suggest that a person discuss their sodium target with a doctor or dietitian."],"mustNot":["Set a specific sodium limit for a person's medical condition in place of a clinician.","Tell a person to stop or change prescribed medicines because of their diet.","Present a food as low-sodium when its label or recipe does not support that.","Shame people for their diet or their culture's cooking."],"requiresHuman":["Planning meals for a patient with heart failure, kidney disease or another condition needing a prescribed sodium target."]},"ethics":{"considerations":["Diet advice affects health; wrong advice can harm people with heart or kidney disease.","Sodium limits can make culturally important foods hard to eat; advice should respect that."],"affectedParties":["Patients on restricted diets","Older people","Carers who prepare meals"]},"owners":{"steward":"The person following it, usually with their clinician or dietitian; health authorities publish guidance.","roles":[],"masterSystems":[]},"relations":[{"target":"Q32488645","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.low-sodium-diet","Wikidata: Q2068354 (https://www.wikidata.org/wiki/Q2068354)"]},"properties":{"applicability":"required","items":["Sodium objective type: absolute intake limit | reduction from baseline | both | unspecified","Sodium intake target: mg sodium per stated interval, with any averaging rule","Target authority: link to an identified recommendation, clinician instruction or personal objective, including date","Estimated sodium intake: mg sodium per stated interval, with coverage and uncertainty","Baseline sodium intake: mg sodium per stated interval over an identified baseline period","Sodium contribution by source: mg sodium and percentage of estimated total by food, drink or added ingredient","Implementation status: planned | being implemented | under review | paused | discontinued","Observed target attainment: within target | above target | variable | insufficient evidence","Salt-substitute use: identified product, ingredient composition, quantity and review status","Concurrent dietary constraints: links to relevant nutrient targets, allergies, food-access constraints and clinical instructions"]},"recognition":{"applicability":"required","items":["Food labels marked low-sodium, reduced-salt or no added salt.","Meals seasoned with herbs, lemon or spices in place of salt."]},"capabilities":{"applicability":"required","items":["Translate a documented sodium target into a meal plan using explicit portions and sodium estimates.","Compare estimated intake with the target and report uncertainty or missing coverage.","Identify the largest recorded sodium contributors and propose feasible substitutions.","Check serving-size, sodium-versus-salt and recipe-yield assumptions before combining intake data.","Flag proposed changes that conflict with other dietary requirements or require clinical review.","Track implementation, acceptability and target attainment over a stated review period."]},"hazards":{"applicability":"required","items":["Low blood sodium in people who also take certain medicines or drink large amounts of water.","Unnoticed sodium in processed foods undermining the diet.","Poor adherence when food becomes unappealing."]},"interfaces":{"applicability":"required","items":["Regulation (EC) No 1924/2006, issued by the European Parliament and the Council of the European Union, regulates low-sodium and related nutrition claims on foods rather than prescribing an individual's dietary target.","Title 21 CFR 101.61, issued by the United States Food and Drug Administration, defines sodium content claims for foods within its jurisdiction."]},"context":{"applicability":"required","items":["A low-sodium diet is encountered in clinical nutrition and everyday meal planning to limit total sodium intake.","It is commonly used in managing high blood pressure and conditions involving fluid retention.","Assessment depends on a stated individual target and sodium from all foods, drinks and added ingredients."]}},"sources":[{"title":"Wikidata item Q2068354: low-sodium diet","url":"https://www.wikidata.org/wiki/Q2068354","note":"identity and sense of the item"},{"title":"Wikipedia: Low sodium diet","url":"https://en.wikipedia.org/wiki/Low_sodium_diet","note":"general description of the item"}],"openQuestions":["Which researched definition and quantitative criteria should determine when this registry entry applies, including distinctions between low-sodium and reduced-sodium diets?","Does an existing Vercy diet or therapeutic-diet model already cover this concept, and should this entry link to or specialise that model?","How should the inherited PHY / PHY.MAT classification represent a dietary pattern rather than a substance or material?","Which validated intake-assessment methods, observation periods and uncertainty rules are appropriate for the intended uses?","Which authoritative sources establish population-specific targets, salt-substitute review requirements and triggers for reassessment?"],"resources":{"spec":"/models/things/publications/thing-q2068354/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q2068354/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T11:03:35Z","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":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:28+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}