Definition for Code SystemSearchModifierCode

{
  "resourceType" : "CodeSystem",
  "id" : "search-modifier-code",
  "meta" : {
    "lastUpdated" : "2025-10-23T19:40:00.973+00:00",
    "profile" : ["http://hl7.org/fhir/StructureDefinition/shareablecodesystem"]
  },
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem search-modifier-code</b></p><a name=\"search-modifier-code\"> </a><a name=\"hcsearch-modifier-code\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\"/><p style=\"margin-bottom: 0px\">Profile: <a href=\"shareablecodesystem.html\">Shareable CodeSystem</a></p></div><p>This case-sensitive code system <code>http://hl7.org/fhir/search-modifier-code</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\">missing<a name=\"search-modifier-code-missing\"> </a></td><td>Missing</td><td>The search parameter returns resources that have a value or not.</td></tr><tr><td style=\"white-space:nowrap\">exact<a name=\"search-modifier-code-exact\"> </a></td><td>Exact</td><td>The search parameter returns resources that have a value that exactly matches the supplied parameter (the whole string, including casing and accents).</td></tr><tr><td style=\"white-space:nowrap\">contains<a name=\"search-modifier-code-contains\"> </a></td><td>Contains</td><td>The search parameter returns resources that include the supplied parameter value anywhere within the field being searched.</td></tr><tr><td style=\"white-space:nowrap\">not<a name=\"search-modifier-code-not\"> </a></td><td>Not</td><td>The search parameter returns resources that do not contain a match.</td></tr><tr><td style=\"white-space:nowrap\">text<a name=\"search-modifier-code-text\"> </a></td><td>Text</td><td>The search parameter is processed as a string that searches text associated with the code/value - either CodeableConcept.text, Coding.display, Identifier.type.text, or Reference.display.</td></tr><tr><td style=\"white-space:nowrap\">in<a name=\"search-modifier-code-in\"> </a></td><td>In</td><td>The search parameter is a URI (relative or absolute) that identifies a value set, and the search parameter tests whether the coding is in the specified value set.</td></tr><tr><td style=\"white-space:nowrap\">not-in<a name=\"search-modifier-code-not-in\"> </a></td><td>Not In</td><td>The search parameter is a URI (relative or absolute) that identifies a value set, and the search parameter tests whether the coding is not in the specified value set.</td></tr><tr><td style=\"white-space:nowrap\">below<a name=\"search-modifier-code-below\"> </a></td><td>Below</td><td>The search parameter tests whether the value in a resource is subsumed by the specified value (is-a, or hierarchical relationships).</td></tr><tr><td style=\"white-space:nowrap\">above<a name=\"search-modifier-code-above\"> </a></td><td>Above</td><td>The search parameter tests whether the value in a resource subsumes the specified value (is-a, or hierarchical relationships).</td></tr><tr><td style=\"white-space:nowrap\">type<a name=\"search-modifier-code-type\"> </a></td><td>Type</td><td>The search parameter only applies to the Resource Type specified as a modifier (e.g. the modifier is not actually :type, but :Patient etc.).</td></tr><tr><td style=\"white-space:nowrap\">identifier<a name=\"search-modifier-code-identifier\"> </a></td><td>Identifier</td><td>The search parameter applies to the identifier on the resource, not the reference.</td></tr><tr><td style=\"white-space:nowrap\">of-type<a name=\"search-modifier-code-of-type\"> </a></td><td>Of Type</td><td>The search parameter has the format system|code|value, where the system and code refer to an Identifier.type.coding.system and .code, and match if any of the type codes match. All 3 parts must be present.</td></tr><tr><td style=\"white-space:nowrap\">code-text<a name=\"search-modifier-code-code-text\"> </a></td><td>Code Text</td><td>Tests whether the textual display value in a resource (e.g., CodeableConcept.text, Coding.display, or Reference.display) matches the supplied parameter value.</td></tr><tr><td style=\"white-space:nowrap\">text-advanced<a name=\"search-modifier-code-text-advanced\"> </a></td><td>Text Advanced</td><td>Tests whether the value in a resource matches the supplied parameter value using advanced text handling that searches text associated with the code/value - e.g., CodeableConcept.text, Coding.display, or Identifier.type.text.</td></tr><tr><td style=\"white-space:nowrap\">iterate<a name=\"search-modifier-code-iterate\"> </a></td><td>Iterate</td><td>The search parameter indicates an inclusion directive (_include, _revinclude) that is applied to an included resource instead of the matching resource.</td></tr></table></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 3
  }],
  "url" : "http://hl7.org/fhir/search-modifier-code",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.640"
  },
  {
    "use" : "old",
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.1.625"
  },
  {
    "use" : "old",
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.2.92"
  }],
  "version" : "6.0.0-ballot3",
  "name" : "SearchModifierCode",
  "title" : "Search Modifier Code",
  "status" : "active",
  "experimental" : false,
  "date" : "2021-01-05T10:01:24+11:00",
  "publisher" : "HL7 (FHIR Project)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    },
    {
      "system" : "email",
      "value" : "fhir@lists.hl7.org"
    }]
  }],
  "description" : "A supported modifier for a search parameter.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001",
      "display" : "World"
    }]
  }],
  "caseSensitive" : true,
  "valueSet" : "http://hl7.org/fhir/ValueSet/search-modifier-code",
  "content" : "complete",
  "concept" : [{
    "code" : "missing",
    "display" : "Missing",
    "definition" : "The search parameter returns resources that have a value or not."
  },
  {
    "code" : "exact",
    "display" : "Exact",
    "definition" : "The search parameter returns resources that have a value that exactly matches the supplied parameter (the whole string, including casing and accents)."
  },
  {
    "code" : "contains",
    "display" : "Contains",
    "definition" : "The search parameter returns resources that include the supplied parameter value anywhere within the field being searched."
  },
  {
    "code" : "not",
    "display" : "Not",
    "definition" : "The search parameter returns resources that do not contain a match."
  },
  {
    "code" : "text",
    "display" : "Text",
    "definition" : "The search parameter is processed as a string that searches text associated with the code/value - either CodeableConcept.text, Coding.display, Identifier.type.text, or Reference.display."
  },
  {
    "code" : "in",
    "display" : "In",
    "definition" : "The search parameter is a URI (relative or absolute) that identifies a value set, and the search parameter tests whether the coding is in the specified value set."
  },
  {
    "code" : "not-in",
    "display" : "Not In",
    "definition" : "The search parameter is a URI (relative or absolute) that identifies a value set, and the search parameter tests whether the coding is not in the specified value set."
  },
  {
    "code" : "below",
    "display" : "Below",
    "definition" : "The search parameter tests whether the value in a resource is subsumed by the specified value (is-a, or hierarchical relationships)."
  },
  {
    "code" : "above",
    "display" : "Above",
    "definition" : "The search parameter tests whether the value in a resource subsumes the specified value (is-a, or hierarchical relationships)."
  },
  {
    "code" : "type",
    "display" : "Type",
    "definition" : "The search parameter only applies to the Resource Type specified as a modifier (e.g. the modifier is not actually :type, but :Patient etc.)."
  },
  {
    "code" : "identifier",
    "display" : "Identifier",
    "definition" : "The search parameter applies to the identifier on the resource, not the reference."
  },
  {
    "code" : "of-type",
    "display" : "Of Type",
    "definition" : "The search parameter has the format system|code|value, where the system and code refer to an Identifier.type.coding.system and .code, and match if any of the type codes match. All 3 parts must be present."
  },
  {
    "code" : "code-text",
    "display" : "Code Text",
    "definition" : "Tests whether the textual display value in a resource (e.g., CodeableConcept.text, Coding.display, or Reference.display) matches the supplied parameter value."
  },
  {
    "code" : "text-advanced",
    "display" : "Text Advanced",
    "definition" : "Tests whether the value in a resource matches the supplied parameter value using advanced text handling that searches text associated with the code/value - e.g., CodeableConcept.text, Coding.display, or Identifier.type.text."
  },
  {
    "code" : "iterate",
    "display" : "Iterate",
    "definition" : "The search parameter indicates an inclusion directive (_include, _revinclude) that is applied to an included resource instead of the matching resource."
  }]
}