Release 4

This page is part of the FHIR Specification (v4.0.1: R4 - Mixed Normative and STU) in it's permanent home (it will always be available at this URL). 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

Codesystem-extension-context-type.json

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

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

Definition for Code System ExtensionContextType

{
  "resourceType" : "CodeSystem",
  "id" : "extension-context-type",
  "meta" : {
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00"
  },
  "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" : "normative"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
    "valueCode" : "4.0.0"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 5
  }],
  "url" : "http://hl7.org/fhir/extension-context-type",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.1013"
  }],
  "version" : "4.0.1",
  "name" : "ExtensionContextType",
  "title" : "ExtensionContextType",
  "status" : "active",
  "experimental" : false,
  "date" : "2019-11-01T09:29:23+11:00",
  "publisher" : "HL7 (FHIR Project)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    },
    {
      "system" : "email",
      "value" : "fhir@lists.hl7.org"
    }]
  }],
  "description" : "How an extension context is interpreted.",
  "caseSensitive" : true,
  "valueSet" : "http://hl7.org/fhir/ValueSet/extension-context-type",
  "content" : "complete",
  "concept" : [{
    "code" : "fhirpath",
    "display" : "FHIRPath",
    "definition" : "The context is all elements that match the FHIRPath query found in the expression."
  },
  {
    "code" : "element",
    "display" : "Element ID",
    "definition" : "The context is any element that has an ElementDefinition.id that matches that found in the expression. This includes ElementDefinition Ids that have slicing identifiers. The full path for the element is [url]#[elementid]. If there is no #, the Element id is one defined in the base specification."
  },
  {
    "code" : "extension",
    "display" : "Extension URL",
    "definition" : "The context is a particular extension from a particular StructureDefinition, and the expression is just a uri that identifies the extension."
  }]
}

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.