{
  "resourceType": "CodeSystem",
  "id": "search-modifier-code",
  "meta": {
    "lastUpdated": "2017-04-18T21:44:43.294+00:00"
  },
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><h2>SearchModifierCode</h2><div><p>A supported modifier for a search parameter.</p></div><p>This code system http://hl7.org/fhir/search-modifier-code defines the following codes:</p><table class=\"codes\"><tr><td><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td>missing\r\n                  <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>exact\r\n                  <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>contains\r\n                  <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>not\r\n                  <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>text\r\n                  <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, or Identifier.type.text.</td></tr><tr><td>in\r\n                  <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>not-in\r\n                  <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>below\r\n                  <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>above\r\n                  <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>type\r\n                  <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></table></div>"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-ballot-status",
      "valueString": "Informative"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 3
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    }
  ],
  "url": "http://hl7.org/fhir/search-modifier-code",
  "identifier": {
    "system": "urn:ietf:rfc:3986",
    "value": "urn:oid:2.16.840.1.113883.4.642.1.625"
  },
  "version": "3.0.1",
  "name": "SearchModifierCode",
  "status": "draft",
  "experimental": false,
  "date": "2017-04-18T21:44:43+00:00",
  "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.",
  "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, or Identifier.type.text."
    },
    {
      "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.)."
    }
  ]
}