<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="search-param-type" />
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p>The narrative has been removed to reduce the size of the distribution of the Hl7.Fhir.Specification library</p>
    </div>
  </text>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-ballot-status">
    <valueString value="Informative" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="4" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir" />
  </extension>
  <url value="http://hl7.org/fhir/search-param-type" />
  <identifier>
    <system value="urn:ietf:rfc:3986" />
    <value value="urn:oid:2.16.840.1.113883.4.642.1.12" />
  </identifier>
  <version value="3.0.0" />
  <name value="SearchParamType" />
  <status value="draft" />
  <experimental value="false" />
  <date value="2017-04-03T11:27:53+00:00" />
  <description value="Data types allowed to be used for search parameters." />
  <caseSensitive value="true" />
  <valueSet value="http://hl7.org/fhir/ValueSet/search-param-type" />
  <content value="complete" />
  <concept>
    <code value="number" />
    <display value="Number" />
    <definition value="Search parameter SHALL be a number (a whole number, or a decimal)." />
  </concept>
  <concept>
    <code value="date" />
    <display value="Date/DateTime" />
    <definition value="Search parameter is on a date/time. The date format is the standard XML format, though other formats may be supported." />
  </concept>
  <concept>
    <code value="string" />
    <display value="String" />
    <definition value="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." />
  </concept>
  <concept>
    <code value="token" />
    <display value="Token" />
    <definition value="Search parameter on a coded element or identifier. May be used to search through the text, displayname, 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 &quot;|&quot;, depending on the modifier used." />
  </concept>
  <concept>
    <code value="reference" />
    <display value="Reference" />
    <definition value="A reference to another resource." />
  </concept>
  <concept>
    <code value="composite" />
    <display value="Composite" />
    <definition value="A composite search parameter that combines a search on two values together." />
  </concept>
  <concept>
    <code value="quantity" />
    <display value="Quantity" />
    <definition value="A search parameter that searches on a quantity." />
  </concept>
  <concept>
    <code value="uri" />
    <display value="URI" />
    <definition value="A search parameter that searches on a URI (RFC 3986)." />
  </concept>
</CodeSystem>