Release 4B

This page is part of the FHIR Specification (v4.3.0: R4B - STU). 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-assert-operator-codes.json

FHIR Infrastructure Work GroupMaturity Level: N/AStandards Status: Informative

Raw JSON (canonical form + also see JSON Format Specification)

Definition for Code SystemAssertionOperatorType

{
  "resourceType" : "CodeSystem",
  "id" : "assert-operator-codes",
  "meta" : {
    "lastUpdated" : "2022-05-28T13:47:40.239+11:00",
    "profile" : ["http://hl7.org/fhir/StructureDefinition/shareablecodesystem"]
  },
  "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-standards-status",
    "valueCode" : "trial-use"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 2
  }],
  "url" : "http://hl7.org/fhir/assert-operator-codes",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.709"
  }],
  "version" : "4.3.0",
  "name" : "AssertionOperatorType",
  "title" : "AssertionOperatorType",
  "status" : "draft",
  "experimental" : false,
  "date" : "2021-01-17T07:06:13+11:00",
  "publisher" : "HL7 (FHIR Project)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    },
    {
      "system" : "email",
      "value" : "fhir@lists.hl7.org"
    }]
  }],
  "description" : "The type of operator to use for assertion.",
  "caseSensitive" : true,
  "valueSet" : "http://hl7.org/fhir/ValueSet/assert-operator-codes",
  "content" : "complete",
  "concept" : [{
    "code" : "equals",
    "display" : "equals",
    "definition" : "Default value. Equals comparison."
  },
  {
    "code" : "notEquals",
    "display" : "notEquals",
    "definition" : "Not equals comparison."
  },
  {
    "code" : "in",
    "display" : "in",
    "definition" : "Compare value within a known set of values."
  },
  {
    "code" : "notIn",
    "display" : "notIn",
    "definition" : "Compare value not within a known set of values."
  },
  {
    "code" : "greaterThan",
    "display" : "greaterThan",
    "definition" : "Compare value to be greater than a known value."
  },
  {
    "code" : "lessThan",
    "display" : "lessThan",
    "definition" : "Compare value to be less than a known value."
  },
  {
    "code" : "empty",
    "display" : "empty",
    "definition" : "Compare value is empty."
  },
  {
    "code" : "notEmpty",
    "display" : "notEmpty",
    "definition" : "Compare value is not empty."
  },
  {
    "code" : "contains",
    "display" : "contains",
    "definition" : "Compare value string contains a known value."
  },
  {
    "code" : "notContains",
    "display" : "notContains",
    "definition" : "Compare value string does not contain a known value."
  },
  {
    "code" : "eval",
    "display" : "evaluate",
    "definition" : "Evaluate the FHIRPath expression as a boolean condition."
  }]
}

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.