This page is part of the FHIR Specification ~~(v3.3.0:~~ (v3.5.0: R4 Ballot ~~2).~~ #2). The current version which supercedes this version is 5.0.0 . For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3
Codesystem-search-modifier-code.json

FHIR Infrastructure Work Group
Maturity Level : N/A
Ballot Status : Informative
Raw JSON ( canonical form + also see JSON Format Specification )
Definition for Code System SearchModifierCode
{
  "resourceType": "CodeSystem",
  "id": "search-modifier-code",
  "meta": {
    "lastUpdated": "2018-04-03T12:05:46.262+10:00"

  "resourceType" : "CodeSystem",
  "id" : "search-modifier-code",
  "meta" : {
    "lastUpdated" : "2018-08-19T21:48:56.559+10:00"

  },
  "text": {
    "status": "generated",
    "div": "<div>!-- Snipped for Brevity --></div>"

  "text" : {
    "status" : "generated",
    "div" : "<div>!-- Snipped for Brevity --></div>"

  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-ballot-status",
      "valueString": "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:2.16.840.1.113883.4.642.1.640"

  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"

  },
  "version": "3.3.0",
  "name": "SearchModifierCode",
  "status": "draft",
  "experimental": false,
  "date": "2018-04-03T12:05:46+10:00",
  "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)."

  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueString" : "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:2.16.840.1.113883.4.642.1.640"
  }],
  "version" : "3.5.0",
  "name" : "SearchModifierCode",
  "title" : "SearchModifierCode",
  "status" : "draft",
  "experimental" : false,
  "date" : "2018-08-19T21:48:56+10:00",
  "publisher" : "HL7 (FHIR Project)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"

    },
    {
      "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.)."
    }
  ]

      "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.)."
  },
  {
    "code" : "identifier",
    "display" : "Identifier",
    "definition" : "The search parameter applies to the identifier on the resource, not the reference."
  },
  {
    "code" : "ofType",
    "display" : "Of Type",
    "definition" : "The search parameter has the format system|code|value, where the system and code refer to a Identifier.type.coding.system and .code, and match if any of the type codes match. All 3 parts must be present."
  }]

}
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.