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Source1

{
  "resourceType": "ConceptMap",
  "id": "R2-NamingSystem-element-map-to-R4",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 0,
      "_valueInteger": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r2.r4"
          }
        ]
      }
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "trial-use",
      "_valueCode": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r2.r4"
          }
        ]
      }
    }
  ],
  "url": "http://hl7.org/fhir/uv/xver/ConceptMap/R2-NamingSystem-element-map-to-R4",
  "version": "0.1.0",
  "name": "R2NamingSystemElementMapToR4",
  "title": "Cross-version mapping for FHIR DSTU2 NamingSystem to FHIR R4 NamingSystem",
  "status": "active",
  "experimental": false,
  "date": "2026-03-17T16:04:02.4615056-05:00",
  "contact": [
    {
      "name": "FHIR Infrastructure",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/fiwg"
        }
      ]
    }
  ],
  "description": "This ConceptMap represents cross-version mappings for elements from a FHIR DSTU2 NamingSystem to FHIR R4.",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001",
          "display": "World"
        }
      ]
    }
  ],
  "sourceCanonical": "http://hl7.org/fhir/1.0",
  "targetUri": "http://hl7.org/fhir/4.0",
  "group": [
    {
      "source": "http://hl7.org/fhir/StructureDefinition/NamingSystem",
      "sourceVersion": "1.0.2",
      "target": "http://hl7.org/fhir/StructureDefinition/NamingSystem",
      "targetVersion": "4.0.1",
      "element": [
        {
          "code": "NamingSystem.meta",
          "display": "meta",
          "target": [
            {
              "code": "NamingSystem.meta",
              "display": "NamingSystem.meta",
              "equivalence": "wider",
              "comment": "Element `NamingSystem.meta` is mapped to FHIR R4 element `NamingSystem.meta` as `SourceIsBroaderThanTarget`.\nThe mappings for `NamingSystem.meta` do not cover the following types: Meta.\nThe mappings for `NamingSystem.meta` do not cover the following types based on type expansion: lastUpdated, profile, security, tag, versionId."
            }
          ]
        },
        {
          "code": "NamingSystem.implicitRules",
          "display": "implicitRules",
          "target": [
            {
              "code": "NamingSystem.implicitRules",
              "display": "NamingSystem.implicitRules",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.implicitRules` is mapped to FHIR R4 element `NamingSystem.implicitRules` as `Equivalent`.\nAsserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element as much as possible."
            }
          ]
        },
        {
          "code": "NamingSystem.language",
          "display": "language",
          "target": [
            {
              "code": "NamingSystem.language",
              "display": "NamingSystem.language",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.language` is mapped to FHIR R4 element `NamingSystem.language` as `Equivalent`.\nLanguage is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource  Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute)."
            }
          ]
        },
        {
          "code": "NamingSystem.text",
          "display": "text",
          "target": [
            {
              "code": "NamingSystem.text",
              "display": "NamingSystem.text",
              "equivalence": "wider",
              "comment": "Element `NamingSystem.text` is mapped to FHIR R4 element `NamingSystem.text` as `SourceIsBroaderThanTarget`.\nThe mappings for `NamingSystem.text` do not cover the following types: Narrative.\nThe mappings for `NamingSystem.text` do not cover the following types based on type expansion: div, status.\nContained resources do not have narrative. Resources that are not contained SHOULD have a narrative."
            }
          ]
        },
        {
          "code": "NamingSystem.contained",
          "display": "contained",
          "target": [
            {
              "code": "NamingSystem.contained",
              "display": "NamingSystem.contained",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.contained` is mapped to FHIR R4 element `NamingSystem.contained` as `SourceIsBroaderThanTarget`.\nThis should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again."
            }
          ]
        },
        {
          "code": "NamingSystem.name",
          "display": "name",
          "target": [
            {
              "code": "NamingSystem.name",
              "display": "NamingSystem.name",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.name` is mapped to FHIR R4 element `NamingSystem.name` as `Equivalent`.\nThe\"symbolic name\" for an OID would be captured as an extension."
            }
          ]
        },
        {
          "code": "NamingSystem.status",
          "display": "status",
          "target": [
            {
              "code": "NamingSystem.status",
              "display": "NamingSystem.status",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.status` is mapped to FHIR R4 element `NamingSystem.status` as `SourceIsNarrowerThanTarget`.\nThe mappings for `NamingSystem.status` do not allow expression of the necessary codes, per the bindings on the source and target."
            }
          ]
        },
        {
          "code": "NamingSystem.kind",
          "display": "kind",
          "target": [
            {
              "code": "NamingSystem.kind",
              "display": "NamingSystem.kind",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.kind` is mapped to FHIR R4 element `NamingSystem.kind` as `Equivalent`."
            }
          ]
        },
        {
          "code": "NamingSystem.publisher",
          "display": "publisher",
          "target": [
            {
              "code": "NamingSystem.publisher",
              "display": "NamingSystem.publisher",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.publisher` is mapped to FHIR R4 element `NamingSystem.publisher` as `Equivalent`.\nUsually an organization, but may be an individual. This item SHOULD be populated unless the information is available from context."
            }
          ]
        },
        {
          "code": "NamingSystem.contact",
          "display": "contact",
          "target": [
            {
              "code": "NamingSystem.contact",
              "display": "NamingSystem.contact",
              "equivalence": "wider",
              "comment": "Element `NamingSystem.contact` is mapped to FHIR R4 element `NamingSystem.contact` as `Equivalent`.\nMay be a web site, an email address, a telephone number (tel:), etc."
            }
          ]
        },
        {
          "code": "NamingSystem.responsible",
          "display": "responsible",
          "target": [
            {
              "code": "NamingSystem.responsible",
              "display": "NamingSystem.responsible",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.responsible` is mapped to FHIR R4 element `NamingSystem.responsible` as `Equivalent`.\nThis is the primary organization.  Responsibility for some aspects of a namespace may be delegated."
            }
          ]
        },
        {
          "code": "NamingSystem.date",
          "display": "date",
          "target": [
            {
              "code": "NamingSystem.date",
              "display": "NamingSystem.date",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.date` is mapped to FHIR R4 element `NamingSystem.date` as `Equivalent`.\nAdditional specific dates may be added as extensions."
            }
          ]
        },
        {
          "code": "NamingSystem.type",
          "display": "type",
          "target": [
            {
              "code": "NamingSystem.type",
              "display": "NamingSystem.type",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.type` is mapped to FHIR R4 element `NamingSystem.type` as `Equivalent`.\nThis will most commonly be used for identifier namespaces, but categories could potentially be useful for code systems and authorities as well."
            }
          ]
        },
        {
          "code": "NamingSystem.description",
          "display": "description",
          "target": [
            {
              "code": "NamingSystem.description",
              "display": "NamingSystem.description",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.description` is mapped to FHIR R4 element `NamingSystem.description` as `Equivalent`."
            }
          ]
        },
        {
          "code": "NamingSystem.useContext",
          "display": "useContext",
          "target": [
            {
              "code": "NamingSystem.jurisdiction",
              "display": "NamingSystem.jurisdiction",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.useContext` is mapped to FHIR R4 element `NamingSystem.jurisdiction` as `Equivalent`."
            }
          ]
        },
        {
          "code": "NamingSystem.usage",
          "display": "usage",
          "target": [
            {
              "code": "NamingSystem.usage",
              "display": "NamingSystem.usage",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.usage` is mapped to FHIR R4 element `NamingSystem.usage` as `Equivalent`."
            }
          ]
        },
        {
          "code": "NamingSystem.uniqueId",
          "display": "uniqueId",
          "target": [
            {
              "code": "NamingSystem.uniqueId",
              "display": "NamingSystem.uniqueId",
              "equivalence": "wider",
              "comment": "Element `NamingSystem.uniqueId` is mapped to FHIR R4 element `NamingSystem.uniqueId` as `Equivalent`.\nMultiple identifiers may exist, either due to duplicate registration, regional rules, needs of different communication technologies, etc."
            }
          ]
        },
        {
          "code": "NamingSystem.uniqueId.type",
          "display": "type",
          "target": [
            {
              "code": "NamingSystem.uniqueId.type",
              "display": "NamingSystem.uniqueId.type",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.uniqueId.type` is mapped to FHIR R4 element `NamingSystem.uniqueId.type` as `Equivalent`.\nDifferent identifier types may be used in different types of communications (OIDs for v3, URIs for FHIR, etc.).  Other includes RUIDs from v3, standard v2 code name strings, etc."
            }
          ]
        },
        {
          "code": "NamingSystem.uniqueId.value",
          "display": "value",
          "target": [
            {
              "code": "NamingSystem.uniqueId.value",
              "display": "NamingSystem.uniqueId.value",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.uniqueId.value` is mapped to FHIR R4 element `NamingSystem.uniqueId.value` as `Equivalent`.\nIf the value is a URI intended for use as FHIR system identifier, the URI should not contain \"\\\" or \"?\" or \",\" since this makes escaping very difficult."
            }
          ]
        },
        {
          "code": "NamingSystem.uniqueId.preferred",
          "display": "preferred",
          "target": [
            {
              "code": "NamingSystem.uniqueId.preferred",
              "display": "NamingSystem.uniqueId.preferred",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.uniqueId.preferred` is mapped to FHIR R4 element `NamingSystem.uniqueId.preferred` as `Equivalent`."
            }
          ]
        },
        {
          "code": "NamingSystem.uniqueId.period",
          "display": "period",
          "target": [
            {
              "code": "NamingSystem.uniqueId.period",
              "display": "NamingSystem.uniqueId.period",
              "equivalence": "wider",
              "comment": "Element `NamingSystem.uniqueId.period` is mapped to FHIR R4 element `NamingSystem.uniqueId.period` as `SourceIsBroaderThanTarget`.\nThe mappings for `NamingSystem.uniqueId.period` do not cover the following types: Period.\nThe mappings for `NamingSystem.uniqueId.period` do not cover the following types based on type expansion: end, start.\nWithin a registry, a given identifier should only be \"active\" for a single namespace at a time.  (Ideally, an identifier should only ever be associated with a single namespace across all time)."
            }
          ]
        }
      ]
    },
    {
      "source": "http://hl7.org/fhir/StructureDefinition/NamingSystem",
      "sourceVersion": "1.0.2",
      "target": "http://hl7.org/fhir/1.0/StructureDefinition/extension-NamingSystem.meta",
      "targetVersion": "0.1.0",
      "element": [
        {
          "code": "NamingSystem.meta",
          "display": "meta",
          "target": [
            {
              "code": "Extension",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.meta` is mapped to FHIR R4 element `NamingSystem.meta` as `SourceIsBroaderThanTarget`.\nThe mappings for `NamingSystem.meta` do not cover the following types: Meta.\nThe mappings for `NamingSystem.meta` do not cover the following types based on type expansion: lastUpdated, profile, security, tag, versionId."
            }
          ]
        }
      ]
    },
    {
      "source": "http://hl7.org/fhir/StructureDefinition/NamingSystem",
      "sourceVersion": "1.0.2",
      "target": "http://hl7.org/fhir/1.0/StructureDefinition/extension-NamingSystem.text",
      "targetVersion": "0.1.0",
      "element": [
        {
          "code": "NamingSystem.text",
          "display": "text",
          "target": [
            {
              "code": "Extension",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.text` is mapped to FHIR R4 element `NamingSystem.text` as `SourceIsBroaderThanTarget`.\nThe mappings for `NamingSystem.text` do not cover the following types: Narrative.\nThe mappings for `NamingSystem.text` do not cover the following types based on type expansion: div, status.\nContained resources do not have narrative. Resources that are not contained SHOULD have a narrative."
            }
          ]
        }
      ]
    },
    {
      "source": "http://hl7.org/fhir/StructureDefinition/NamingSystem",
      "sourceVersion": "1.0.2",
      "target": "http://hl7.org/fhir/1.0/StructureDefinition/extension-NamingSystem.contact.name",
      "targetVersion": "0.1.0",
      "element": [
        {
          "code": "NamingSystem.contact.name",
          "display": "name",
          "target": [
            {
              "code": "Extension",
              "equivalence": "wider",
              "comment": "Element `NamingSystem.contact.name` has a context of NamingSystem.contact based on following the parent source element upwards and mapping to `NamingSystem`.\nElement `NamingSystem.contact.name` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element).\nIf there is no named individual, the telecom is for the organization as a whole."
            }
          ]
        }
      ]
    },
    {
      "source": "http://hl7.org/fhir/StructureDefinition/NamingSystem",
      "sourceVersion": "1.0.2",
      "target": "http://hl7.org/fhir/1.0/StructureDefinition/extension-NamingSystem.contact.telecom",
      "targetVersion": "0.1.0",
      "element": [
        {
          "code": "NamingSystem.contact.telecom",
          "display": "telecom",
          "target": [
            {
              "code": "Extension",
              "equivalence": "wider",
              "comment": "Element `NamingSystem.contact.telecom` has a context of NamingSystem.contact based on following the parent source element upwards and mapping to `NamingSystem`.\nElement `NamingSystem.contact.telecom` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element)."
            }
          ]
        }
      ]
    },
    {
      "source": "http://hl7.org/fhir/StructureDefinition/NamingSystem",
      "sourceVersion": "1.0.2",
      "target": "http://hl7.org/fhir/1.0/StructureDefinition/extension-NamingSystem.uniqueId.period",
      "targetVersion": "0.1.0",
      "element": [
        {
          "code": "NamingSystem.uniqueId.period",
          "display": "period",
          "target": [
            {
              "code": "Extension",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.uniqueId.period` is mapped to FHIR R4 element `NamingSystem.uniqueId.period` as `SourceIsBroaderThanTarget`.\nThe mappings for `NamingSystem.uniqueId.period` do not cover the following types: Period.\nThe mappings for `NamingSystem.uniqueId.period` do not cover the following types based on type expansion: end, start.\nWithin a registry, a given identifier should only be \"active\" for a single namespace at a time.  (Ideally, an identifier should only ever be associated with a single namespace across all time)."
            }
          ]
        }
      ]
    },
    {
      "source": "http://hl7.org/fhir/StructureDefinition/NamingSystem",
      "sourceVersion": "1.0.2",
      "target": "http://hl7.org/fhir/1.0/StructureDefinition/extension-NamingSystem.replacedBy",
      "targetVersion": "0.1.0",
      "element": [
        {
          "code": "NamingSystem.replacedBy",
          "display": "replacedBy",
          "target": [
            {
              "code": "Extension",
              "equivalence": "equivalent",
              "comment": "Element `NamingSystem.replacedBy` has a context of NamingSystem based on following the parent source element upwards and mapping to `NamingSystem`.\nElement `NamingSystem.replacedBy` has no mapping targets in FHIR R4. Typically, this is because the element has been added (is a new element)."
            }
          ]
        }
      ]
    }
  ]
}