{

"resourceType": "CodeSystem",
"id": "search-param-type",
"meta": {
  "lastUpdated": "2019-11-01T09:29:23.356+11:00"
},
"extension": [
  {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "fhir"
  },
  {
    "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
  }
],
"url": "http://hl7.org/fhir/search-param-type",
"identifier": [
  {
    "system": "urn:ietf:rfc:3986",
    "value": "urn:oid:2.16.840.1.113883.4.642.4.12"
  }
],
"version": "4.0.1",
"name": "SearchParamType",
"title": "SearchParamType",
"status": "active",
"experimental": false,
"date": "2019-11-01T09:29:23+11:00",
"description": "Data types allowed to be used for search parameters.",
"caseSensitive": true,
"valueSet": "http://hl7.org/fhir/ValueSet/search-param-type",
"content": "complete",
"concept": [
  {
    "code": "number",
    "display": "Number",
    "definition": "Search parameter SHALL be a number (a whole number, or a decimal)."
  },
  {
    "code": "date",
    "display": "Date/DateTime",
    "definition": "Search parameter is on a date/time. The date format is the standard XML format, though other formats may be supported."
  },
  {
    "code": "string",
    "display": "String",
    "definition": "Search parameter is a simple string, like a name part. Search is case-insensitive and accent-insensitive. May match just the start of a string. String parameters may contain spaces."
  },
  {
    "code": "token",
    "display": "Token",
    "definition": "Search parameter on a coded element or identifier. May be used to search through the text, display, code and code/codesystem (for codes) and label, system and key (for identifier). Its value is either a string or a pair of namespace and value, separated by a \"|\", depending on the modifier used."
  },
  {
    "code": "reference",
    "display": "Reference",
    "definition": "A reference to another resource (Reference or canonical)."
  },
  {
    "code": "composite",
    "display": "Composite",
    "definition": "A composite search parameter that combines a search on two values together."
  },
  {
    "code": "quantity",
    "display": "Quantity",
    "definition": "A search parameter that searches on a quantity."
  },
  {
    "code": "uri",
    "display": "URI",
    "definition": "A search parameter that searches on a URI (RFC 3986)."
  },
  {
    "code": "special",
    "display": "Special",
    "definition": "Special logic applies to this parameter per the description of the search parameter."
  }
]

}