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Narrative

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map "https://gematik.de/fhir/erp-t-prescription/StructureMap/ERPTPrescriptionStructureMapKBVFreeTextMedication" = "ERPTPrescriptionStructureMapKBVFreeTextMedication"

// Maps KBV FreeText Medication to BfArM T-Prescription Medication format

uses "http://hl7.org/fhir/StructureDefinition/Medication" alias kbvMedicationFreeText as source
uses "http://hl7.org/fhir/StructureDefinition/Medication" alias bfarmMedication as target

// Mapping-Anweisungen zur Transformation von KBV Freitext-Medikamenten zu BfArM T-Prescription Format
group ERPTPrescriptionStructureMapKBVFreeTextMedication(source kbvMedicationFreeText : kbvMedicationFreeText, target bfarmMedication : bfarmMedication) {
  // Übernimmt die eindeutige Medication-ID unverändert
  kbvMedicationFreeText.id as IdVar -> bfarmMedication.id = IdVar "medicationId";
  // Mappt den Medikamentencode mit Freitext-Beschreibung
  kbvMedicationFreeText.code as srcCodeVar -> bfarmMedication.code as tgtCodeVar then {
    // Kopiert die Freitext-Bezeichnung des Medikaments (z.B. 'Aspirin 500mg Tabletten')
    srcCodeVar.text as srcCodeTextVar -> tgtCodeVar.text = srcCodeTextVar "medicationCodeText";
  } "medicationCode";
  // Mappt die Darreichungsform als Freitext
  kbvMedicationFreeText.form as srcFormVar -> bfarmMedication.form as tgtFormVar then {
    // Übernimmt die Freitext-Darreichungsform (z.B. 'Tabletten', 'Tropfen zum Einnehmen')
    srcFormVar.text as srcformTextVar -> tgtFormVar.text = srcformTextVar "medicationFormText";
  } "medicationForm";
}

Source1

{
  "resourceType": "StructureMap",
  "id": "ERPTPrescriptionStructureMapKBVFreeTextMedication",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "url": "https://gematik.de/fhir/erp-t-prescription/StructureMap/ERPTPrescriptionStructureMapKBVFreeTextMedication",
  "version": "1.2.0",
  "name": "ERPTPrescriptionStructureMapKBVFreeTextMedication",
  "title": "E-T-Rezept Structure Map for KBV FreeText Medication",
  "status": "active",
  "experimental": false,
  "date": "2026-07-27",
  "publisher": "gematik GmbH",
  "contact": [
    {
      "name": "gematik GmbH",
      "telecom": [
        {
          "system": "url",
          "value": "https://gematik.de"
        },
        {
          "system": "email",
          "value": "erp-umsetzung@gematik.de"
        }
      ]
    }
  ],
  "description": "Maps KBV FreeText Medication to BfArM T-Prescription Medication format",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "urn:iso:std:iso:3166",
          "code": "DE",
          "display": "Germany"
        }
      ]
    }
  ],
  "structure": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/Medication",
      "mode": "source",
      "alias": "kbvMedicationFreeText"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/Medication",
      "mode": "target",
      "alias": "bfarmMedication"
    }
  ],
  "group": [
    {
      "name": "ERPTPrescriptionStructureMapKBVFreeTextMedication",
      "typeMode": "none",
      "documentation": "Mapping-Anweisungen zur Transformation von KBV Freitext-Medikamenten zu BfArM T-Prescription Format",
      "input": [
        {
          "name": "kbvMedicationFreeText",
          "type": "kbvMedicationFreeText",
          "mode": "source"
        },
        {
          "name": "bfarmMedication",
          "type": "bfarmMedication",
          "mode": "target"
        }
      ],
      "rule": [
        {
          "name": "medicationId",
          "source": [
            {
              "context": "kbvMedicationFreeText",
              "element": "id",
              "variable": "IdVar"
            }
          ],
          "target": [
            {
              "context": "bfarmMedication",
              "contextType": "variable",
              "element": "id",
              "transform": "copy",
              "parameter": [
                {
                  "valueId": "IdVar"
                }
              ]
            }
          ],
          "documentation": "Übernimmt die eindeutige Medication-ID unverändert"
        },
        {
          "name": "medicationCode",
          "source": [
            {
              "context": "kbvMedicationFreeText",
              "element": "code",
              "variable": "srcCodeVar"
            }
          ],
          "target": [
            {
              "context": "bfarmMedication",
              "contextType": "variable",
              "element": "code",
              "variable": "tgtCodeVar"
            }
          ],
          "rule": [
            {
              "name": "medicationCodeText",
              "source": [
                {
                  "context": "srcCodeVar",
                  "element": "text",
                  "variable": "srcCodeTextVar"
                }
              ],
              "target": [
                {
                  "context": "tgtCodeVar",
                  "contextType": "variable",
                  "element": "text",
                  "transform": "copy",
                  "parameter": [
                    {
                      "valueId": "srcCodeTextVar"
                    }
                  ]
                }
              ],
              "documentation": "Kopiert die Freitext-Bezeichnung des Medikaments (z.B. 'Aspirin 500mg Tabletten')"
            }
          ],
          "documentation": "Mappt den Medikamentencode mit Freitext-Beschreibung"
        },
        {
          "name": "medicationForm",
          "source": [
            {
              "context": "kbvMedicationFreeText",
              "element": "form",
              "variable": "srcFormVar"
            }
          ],
          "target": [
            {
              "context": "bfarmMedication",
              "contextType": "variable",
              "element": "form",
              "variable": "tgtFormVar"
            }
          ],
          "rule": [
            {
              "name": "medicationFormText",
              "source": [
                {
                  "context": "srcFormVar",
                  "element": "text",
                  "variable": "srcformTextVar"
                }
              ],
              "target": [
                {
                  "context": "tgtFormVar",
                  "contextType": "variable",
                  "element": "text",
                  "transform": "copy",
                  "parameter": [
                    {
                      "valueId": "srcformTextVar"
                    }
                  ]
                }
              ],
              "documentation": "Übernimmt die Freitext-Darreichungsform (z.B. 'Tabletten', 'Tropfen zum Einnehmen')"
            }
          ],
          "documentation": "Mappt die Darreichungsform als Freitext"
        }
      ]
    }
  ]
}