http://hl7.org/fhir/concept-property-type|4.0.1

{
  "description" : "The type of a property value.",
  "compose" : null,
  "package" : "hl7.fhir.r4.core@4.0.1",
  "date" : "2019-10-31T22:29:23Z",
  "meta" : {
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00"
  },
  "publisher" : "HL7 (FHIR Project)",
  "content" : "complete",
  "name" : "PropertyType",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "PropertyType",
  "supliment" : null,
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "vocab"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "normative"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
    "valueCode" : "4.0.0"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 5
  } ],
  "status" : "active",
  "id" : "74b296cf-def6-55ca-8f2b-c646db875033",
  "valueSet" : "http://hl7.org/fhir/ValueSet/concept-property-type",
  "url" : "http://hl7.org/fhir/concept-property-type",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.781",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "concept" : [ {
    "code" : "code",
    "display" : "code (internal reference)",
    "definition" : "The property value is a code that identifies a concept defined in the code system."
  }, {
    "code" : "Coding",
    "display" : "Coding (external reference)",
    "definition" : "The property  value is a code defined in an external code system. This may be used for translations, but is not the intent."
  }, {
    "code" : "string",
    "display" : "string",
    "definition" : "The property value is a string."
  }, {
    "code" : "integer",
    "display" : "integer",
    "definition" : "The property value is a string (often used to assign ranking values to concepts for supporting score assessments)."
  }, {
    "code" : "boolean",
    "display" : "boolean",
    "definition" : "The property value is a boolean true | false."
  }, {
    "code" : "dateTime",
    "display" : "dateTime",
    "definition" : "The property is a date or a date + time."
  }, {
    "code" : "decimal",
    "display" : "decimal",
    "definition" : "The property value is a decimal number."
  } ],
  "caseSensitive" : true,
  "version" : "4.0.1",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org/fhir",
      "system" : "url"
    }, {
      "value" : "fhir@lists.hl7.org",
      "system" : "email"
    } ]
  } ]
}