http://terminology.hl7.org/CodeSystem/diet|4.0.1

{
  "description" : "This value set defines a set of codes that can be used to indicate dietary preferences or restrictions a patient may have.",
  "compose" : null,
  "package" : "hl7.fhir.r4.core@4.0.1",
  "date" : null,
  "meta" : {
    "profile" : [ "http://hl7.org/fhir/StructureDefinition/shareablecodesystem" ],
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00"
  },
  "publisher" : "FHIR Project team",
  "content" : "complete",
  "name" : "Diet",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "Diet",
  "supliment" : null,
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "pa"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "draft"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 1
  } ],
  "status" : "draft",
  "id" : "d737821b-b58e-54ab-b5ce-9119fe841dac",
  "valueSet" : "http://hl7.org/fhir/ValueSet/encounter-diet",
  "url" : "http://terminology.hl7.org/CodeSystem/diet",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.1091",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "concept" : [ {
    "code" : "vegetarian",
    "display" : "Vegetarian",
    "definition" : "Food without meat, poultry or seafood."
  }, {
    "code" : "dairy-free",
    "display" : "Dairy Free",
    "definition" : "Excludes dairy products."
  }, {
    "code" : "nut-free",
    "display" : "Nut Free",
    "definition" : "Excludes ingredients containing nuts."
  }, {
    "code" : "gluten-free",
    "display" : "Gluten Free",
    "definition" : "Excludes ingredients containing gluten."
  }, {
    "code" : "vegan",
    "display" : "Vegan",
    "definition" : "Food without meat, poultry, seafood, eggs, dairy products and other animal-derived substances."
  }, {
    "code" : "halal",
    "display" : "Halal",
    "definition" : "Foods that conform to Islamic law."
  }, {
    "code" : "kosher",
    "display" : "Kosher",
    "definition" : "Foods that conform to Jewish dietary law."
  } ],
  "caseSensitive" : true,
  "version" : "4.0.1",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org/fhir",
      "system" : "url"
    } ]
  } ]
}