{"caseSensitive":true,"concept":[{"code":"number","definition":"Search parameter SHALL be a number (a whole number, or a decimal).","display":"Number"},{"code":"date","definition":"Search parameter is on a date/time. The date format is the standard XML format, though other formats may be supported.","display":"Date/DateTime"},{"code":"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.","display":"String"},{"code":"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.","display":"Token"},{"code":"reference","definition":"A reference to another resource (Reference or canonical).","display":"Reference"},{"code":"composite","definition":"A composite search parameter that combines a search on two values together.","display":"Composite"},{"code":"quantity","definition":"A search parameter that searches on a quantity.","display":"Quantity"},{"code":"uri","definition":"A search parameter that searches on a URI (RFC 3986).","display":"URI"},{"code":"special","definition":"Special logic applies to this parameter per the description of the search parameter.","display":"Special"},{"code":"resource","definition":"A search parameter defined to chain through into embedded resources.","display":"Resource"}],"contact":[{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/fiwg"}]}],"content":"complete","date":"2026-03-16T22:59:53+00:00","description":"Data types allowed to be used for search parameters.","experimental":false,"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}],"id":"search-param-type","identifier":[{"system":"urn:ietf:rfc:3986","value":"urn:oid:2.16.840.1.113883.4.642.4.12"}],"jurisdiction":[{"coding":[{"code":"001","display":"World","system":"http://unstats.un.org/unsd/methods/m49/m49.htm"}]}],"meta":{"lastUpdated":"2026-03-16T22:59:53.445+00:00"},"name":"SearchParamType","publisher":"HL7 International / FHIR Infrastructure","resourceType":"CodeSystem","status":"active","text":{"div":"<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem search-param-type</b></p><a name=\"search-param-type\"> </a><a name=\"hcsearch-param-type\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/search-param-type</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">number<a name=\"search-param-type-number\"> </a></td><td>Number</td><td>Search parameter SHALL be a number (a whole number, or a decimal).</td></tr><tr><td style=\"white-space:nowrap\">date<a name=\"search-param-type-date\"> </a></td><td>Date/DateTime</td><td>Search parameter is on a date/time. The date format is the standard XML format, though other formats may be supported.</td></tr><tr><td style=\"white-space:nowrap\">string<a name=\"search-param-type-string\"> </a></td><td>String</td><td>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.</td></tr><tr><td style=\"white-space:nowrap\">token<a name=\"search-param-type-token\"> </a></td><td>Token</td><td>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 &quot;|&quot;, depending on the modifier used.</td></tr><tr><td style=\"white-space:nowrap\">reference<a name=\"search-param-type-reference\"> </a></td><td>Reference</td><td>A reference to another resource (Reference or canonical).</td></tr><tr><td style=\"white-space:nowrap\">composite<a name=\"search-param-type-composite\"> </a></td><td>Composite</td><td>A composite search parameter that combines a search on two values together.</td></tr><tr><td style=\"white-space:nowrap\">quantity<a name=\"search-param-type-quantity\"> </a></td><td>Quantity</td><td>A search parameter that searches on a quantity.</td></tr><tr><td style=\"white-space:nowrap\">uri<a name=\"search-param-type-uri\"> </a></td><td>URI</td><td>A search parameter that searches on a URI (RFC 3986).</td></tr><tr><td style=\"white-space:nowrap\">special<a name=\"search-param-type-special\"> </a></td><td>Special</td><td>Special logic applies to this parameter per the description of the search parameter.</td></tr><tr><td style=\"white-space:nowrap\">resource<a name=\"search-param-type-resource\"> </a></td><td>Resource</td><td>A search parameter defined to chain through into embedded resources.</td></tr></table></div>","status":"generated"},"title":"SearchParamType","url":"http://hl7.org/fhir/search-param-type","valueSet":"http://hl7.org/fhir/ValueSet/search-param-type","version":"6.0.0-ballot4"}