{
  "description": "Erlaubt einem eMP MedicationRequest, auf die ursprünglich verwendete Medication-Instanz zu referenzieren (Ursprung des eMP-Eintrags).",
  "_filename": "StructureDefinition-emp-origin-medication-extension.json",
  "package_name": "de.gematik.epa.medication",
  "date": "2025-09-12",
  "derivation": "constraint",
  "publisher": "gematik GmbH",
  "fhirVersion": "4.0.1",
  "jurisdiction": [ {
    "coding": [ {
      "code": "DE",
      "system": "urn:iso:std:iso:3166"
    } ]
  } ],
  "name": "EMPOriginMedicationExtension",
  "mapping": [ {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  } ],
  "abstract": false,
  "copyright": "gematik GmbH",
  "type": "Extension",
  "experimental": "false",
  "resourceType": "StructureDefinition",
  "title": "Origin Medication Reference (eMP)",
  "package_version": "1.2.0",
  "snapshot": {
    "element": [ {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension",
      "min": 0,
      "definition": "Erlaubt einem eMP MedicationRequest, auf die ursprünglich verwendete Medication-Instanz zu referenzieren (Ursprung des eMP-Eintrags).",
      "isModifier": false,
      "short": "Origin Medication Reference (eMP)",
      "max": "*",
      "id": "Extension",
      "condition": [ "ele-1" ],
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension"
      }
    }, {
      "path": "Extension.id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "string"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.extension",
      "min": 0,
      "definition": "An Extension",
      "isModifier": false,
      "short": "Extension",
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "max": "0",
      "id": "Extension.extension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "path": "Extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "short": "identifies the meaning of the extension",
      "fixedUri": "https://gematik.de/fhir/epa-medication/StructureDefinition/emp-origin-medication-extension",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "uri"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.url",
      "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      }
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.value[x]",
      "min": 1,
      "definition": "Diese Referenz stellt den Bezug zwischen einem MedicationRequest und der ursprünglichen Medication-Instanz her, die bei der Erstellung des eMP-Eintrags verwendet wurde. Sie dokumentiert den Ursprung (Origin) der Verschreibung und ermöglicht eine eindeutige Rückverfolgbarkeit. Dies ist insbesondere relevant, wenn sich im Verlauf unterschiedliche Medication-Instanzen (z. B. aufgrund von Versionsänderungen, Produktwechsel oder unterschiedlicher Quellkontexte) im eMP finden lassen. ",
      "isModifier": false,
      "short": "Referenz auf die Ursprungs-Medication (Basis des eMP-Eintrags)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      }, {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/Medication" ]
      } ],
      "max": "1",
      "id": "Extension.value[x]",
      "condition": [ "ele-1" ],
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      }
    } ],
    "extension": [ {
      "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
      "valueString": "4.0.1"
    } ]
  },
  "status": "active",
  "id": "bd817f9d-677d-499a-8a05-b6cd1a8cb676",
  "kind": "complex-type",
  "url": "https://gematik.de/fhir/epa-medication/StructureDefinition/emp-origin-medication-extension",
  "context": [ {
    "type": "element",
    "expression": "MedicationRequest"
  } ],
  "version": "1.2.0",
  "differential": {
    "element": [ {
      "id": "Extension",
      "path": "Extension",
      "short": "Origin Medication Reference (eMP)",
      "definition": "Erlaubt einem eMP MedicationRequest, auf die ursprünglich verwendete Medication-Instanz zu referenzieren (Ursprung des eMP-Eintrags)."
    }, {
      "id": "Extension.extension",
      "max": "0",
      "path": "Extension.extension"
    }, {
      "id": "Extension.url",
      "path": "Extension.url",
      "fixedUri": "https://gematik.de/fhir/epa-medication/StructureDefinition/emp-origin-medication-extension"
    }, {
      "id": "Extension.value[x]",
      "min": 1,
      "path": "Extension.value[x]",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/Medication" ]
      } ],
      "short": "Referenz auf die Ursprungs-Medication (Basis des eMP-Eintrags)",
      "definition": "Diese Referenz stellt den Bezug zwischen einem MedicationRequest und der ursprünglichen Medication-Instanz her, die bei der Erstellung des eMP-Eintrags verwendet wurde. Sie dokumentiert den Ursprung (Origin) der Verschreibung und ermöglicht eine eindeutige Rückverfolgbarkeit. Dies ist insbesondere relevant, wenn sich im Verlauf unterschiedliche Medication-Instanzen (z. B. aufgrund von Versionsänderungen, Produktwechsel oder unterschiedlicher Quellkontexte) im eMP finden lassen. "
    } ]
  },
  "contact": [ {
    "name": "gematik GmbH",
    "telecom": [ {
      "value": "https://www.gematik.de",
      "system": "url"
    }, {
      "value": "patientteam [ at ] gematik.de",
      "system": "email"
    } ]
  } ],
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}