Implementation Guide
E-T-Rezept Datenaustausch
Version 1.1.0-ballot-1 - ballot

: E-T-Rezept Structure Map for KBV Compounding Medication - JSON Representation

Draft as of 2025-07-07

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{
  "resourceType" : "StructureMap",
  "id" : "ERPTPrescriptionStructureMapKBVCompoundingMedication",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureMap ERPTPrescriptionStructureMapKBVCompoundingMedication</b></p><a name=\"ERPTPrescriptionStructureMapKBVCompoundingMedication\"> </a><a name=\"hcERPTPrescriptionStructureMapKBVCompoundingMedication\"> </a><pre class=\"fml\">\r\n<b>map</b><span style=\"color: navy\"> &quot;</span>https://gematik.de/fhir/erp-t-prescription/StructureMap/ERPTPrescriptionStructureMapKBVCompoundingMedication<span style=\"color: navy\">&quot; = &quot;</span>ERPTPrescriptionStructureMapKBVCompoundingMedication<span style=\"color: navy\">&quot;\r\n\r\n</span><span style=\"color: navy\">// </span><span style=\"color: green\">Mapping-Anweisungen zur Transformation von KBV Rezeptur-Medikamenten zu BfArM T-Prescription Format</span>\r\n\r\n<b>uses</b><span style=\"color: navy\"> &quot;</span><a href=\"http://hl7.org/fhir/R4/medication.html\" title=\"Medication\">http://hl7.org/fhir/StructureDefinition/Medication</a><span style=\"color: navy\">&quot; </span><b>alias </b>kbvMedicationCompounding <b>as </b><b>source</b>\r\n<b>uses</b><span style=\"color: navy\"> &quot;</span><a href=\"http://hl7.org/fhir/R4/medication.html\" title=\"Medication\">http://hl7.org/fhir/StructureDefinition/Medication</a><span style=\"color: navy\">&quot; </span><b>alias </b>bfarmMedication <b>as </b><b>target</b>\r\n\r\n<span style=\"color: navy\">// </span><span style=\"color: green\">Mapping-Anweisungen zur Transformation von KBV Rezeptur-Medikamenten zu BfArM T-Prescription Format</span>\r\n<b>group </b>ERPTPrescriptionStructureMapKBVCompoundingMedication<span style=\"color: navy\">(</span><b>source</b> <span style=\"color: maroon\">kbvMedicationCompounding</span><span style=\"color: navy\"> : </span>kbvMedicationCompounding, <b>target</b> <span style=\"color: maroon\">bfarmMedication</span><span style=\"color: navy\"> : </span>bfarmMedication<span style=\"color: navy\">)</span><span style=\"color: navy\"> {\r\n</span>  kbvMedicationCompounding.extension<b> as </b><span style=\"color: maroon\">extVar</span><span style=\"color: navy\"><b> -&gt; </b></span>bfarmMedication.extension<b> as </b><span style=\"color: maroon\">tgtExtVar</span><b> then</b><span style=\"color: navy\"> {\r\n</span>    extVar<b> as </b><span style=\"color: maroon\">extMatchVar</span><b> where </b>url='https://fhir.kbv.de/StructureDefinition/KBV_EX_ERP_Medication_Packaging'<span style=\"color: navy\"><b> -&gt; </b></span>tgtExtVar.url = <span style=\"color: blue\">'https://gematik.de/fhir/epa-medication/StructureDefinition/medication-formulation-packaging-extension'</span><b> then</b><span style=\"color: navy\"> {\r\n</span>      extMatchVar.value<b> as </b><span style=\"color: maroon\">extValVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtExtVar.value = <span style=\"color: maroon\">extValVar</span> <i>&quot;copyExtensionValue&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Übernimmt den Verpackungswert für die Rezeptur</span>\r\n    <span style=\"color: navy\">}</span> <i>&quot;copyFormulaPackagingExtensionUrl&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Transformiert KBV-Verpackungs-Extension in gematik-Formulierungs-Verpackungs-Extension</span>\r\n  <span style=\"color: navy\">}</span> <i>&quot;medicationExt&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Mappt Rezeptur-spezifische Extensions von KBV- zu BfArM-Format</span>\r\n  kbvMedicationCompounding.id<b> as </b><span style=\"color: maroon\">IdVar</span><span style=\"color: navy\"><b> -&gt; </b></span>bfarmMedication.id = <span style=\"color: maroon\">IdVar</span> <i>&quot;medicationId&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Übernimmt die eindeutige Medication-ID unverändert</span>\r\n  kbvMedicationCompounding.code<b> as </b><span style=\"color: maroon\">srcCodeVar</span><span style=\"color: navy\"><b> -&gt; </b></span>bfarmMedication.code<b> as </b><span style=\"color: maroon\">tgtCodeVar</span><b> then</b><span style=\"color: navy\"> {\r\n</span>    srcCodeVar.text<b> as </b><span style=\"color: maroon\">srcCodeTextVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtCodeVar.text = <span style=\"color: maroon\">srcCodeTextVar</span> <i>&quot;medicationCodeText&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Kopiert die Bezeichnung der Rezeptur (z.B. 'Hydrocortison-Salbe 1%')</span>\r\n  <span style=\"color: navy\">}</span> <i>&quot;medicationCode&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Mappt den Rezeptur-Code mit Bezeichnung</span>\r\n  kbvMedicationCompounding.form<b> as </b><span style=\"color: maroon\">formVar</span><span style=\"color: navy\"><b> -&gt; </b></span>bfarmMedication.form = <span style=\"color: maroon\">formVar</span> <i>&quot;medicationForm&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Übernimmt die Darreichungsform der Rezeptur (Salbe, Creme, Kapseln, etc.)</span>\r\n  kbvMedicationCompounding.amount<b> as </b><span style=\"color: maroon\">amountVar</span><span style=\"color: navy\"><b> -&gt; </b></span>bfarmMedication.amount<b> as </b><span style=\"color: maroon\">tgtAmountVar</span><b> then</b><span style=\"color: navy\"> {\r\n</span>    amountVar.denominator<b> as </b><span style=\"color: maroon\">amountDenominatorVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtAmountVar.denominator = <span style=\"color: maroon\">amountDenominatorVar</span> <i>&quot;medicationAmountDenominator&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Kopiert den Nenner der Mengenangabe (z.B. '1' für 'pro Rezeptur')</span>\r\n    amountVar.numerator<b> as </b><span style=\"color: maroon\">amountNumeratorVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtAmountVar.numerator<b> as </b><span style=\"color: maroon\">tgtAmountNumeratorVar</span><b> then</b><span style=\"color: navy\"> {\r\n</span>      amountNumeratorVar.extension<b> as </b><span style=\"color: maroon\">amountNumExtVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtAmountNumeratorVar.extension<b> as </b><span style=\"color: maroon\">tgtAmountNumExtVar</span><b> then</b><span style=\"color: navy\"> {\r\n</span>        amountNumExtVar<b> where </b>url='https://fhir.kbv.de/StructureDefinition/KBV_EX_ERP_Medication_PackagingSize'<span style=\"color: navy\"><b> -&gt; </b></span>tgtAmountNumExtVar.url = <span style=\"color: blue\">'https://gematik.de/fhir/epa-medication/StructureDefinition/medication-packaging-size-extension'</span> <i>&quot;copyPackagingSizeExtensionUrl&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Wandelt KBV-Packungsgrößen-Extension in gematik EPA-Medication Extension um</span>\r\n        amountNumExtVar.value<b> as </b><span style=\"color: maroon\">extValVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtAmountNumExtVar.value = <span style=\"color: maroon\">extValVar</span> <i>&quot;copyExtensionValue&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Übernimmt den Packungsgrößenwert für die Rezeptur</span>\r\n      <span style=\"color: navy\">}</span> <i>&quot;medicationAmountExt&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Transformiert Packungsgrößen-Extensions für Rezepturen</span>\r\n      amountNumeratorVar.value<b> as </b><span style=\"color: maroon\">amountNumeratorValueVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtAmountNumeratorVar.value = <span style=\"color: maroon\">amountNumeratorValueVar</span> <i>&quot;medicationAmountNumeratorValue&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Kopiert den numerischen Wert der Gesamtmenge (z.B. '50' für 50g Salbe)</span>\r\n      amountNumeratorVar.unit<b> as </b><span style=\"color: maroon\">amountNumeratorUnitVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtAmountNumeratorVar.unit = <span style=\"color: maroon\">amountNumeratorUnitVar</span> <i>&quot;medicationAmountNumeratorUnit&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Übernimmt die Mengeneinheit für die Rezeptur (g, ml, Stück, etc.)</span>\r\n      amountNumeratorVar.system<b> as </b><span style=\"color: maroon\">amountNumeratorSystemVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtAmountNumeratorVar.system = <span style=\"color: maroon\">amountNumeratorSystemVar</span> <i>&quot;medicationAmountNumeratorSystem&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Kopiert das Codesystem für die Mengeneinheit (meist UCUM)</span>\r\n      amountNumeratorVar.code<b> as </b><span style=\"color: maroon\">amountNumeratorCodeVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtAmountNumeratorVar.code = <span style=\"color: maroon\">amountNumeratorCodeVar</span> <i>&quot;medicationAmountNumeratorCode&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Übernimmt den standardisierten Code für die Mengeneinheit</span>\r\n    <span style=\"color: navy\">}</span> <i>&quot;medicationAmountNumerator&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Mappt die detaillierte Mengenangabe der Rezeptur</span>\r\n  <span style=\"color: navy\">}</span> <i>&quot;medicationAmount&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Mappt die Gesamtmenge der herzustellenden Rezeptur</span>\r\n  kbvMedicationCompounding.ingredient<b> as </b><span style=\"color: maroon\">ingredientVar</span><span style=\"color: navy\"><b> -&gt; </b></span>bfarmMedication.ingredient<b> as </b><span style=\"color: maroon\">tgtIngredientVar</span><b> then</b><span style=\"color: navy\"> {\r\n</span>    ingredientVar.item<b> as </b><span style=\"color: maroon\">IngredientItemValueVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtIngredientVar.item = <span style=\"color: maroon\">IngredientItemValueVar</span> <i>&quot;medicationIngredientItemValue&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Kopiert die Referenz oder den Code des Rezeptur-Bestandteils</span>\r\n    ingredientVar.extension<b> as </b><span style=\"color: maroon\">IngredientExtVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtIngredientVar.extension<b> as </b><span style=\"color: maroon\">tgtIngredientExtVar</span><b> then</b><span style=\"color: navy\"> {\r\n</span>      IngredientExtVar<b> where </b>url='https://fhir.kbv.de/StructureDefinition/KBV_EX_ERP_Medication_Ingredient_Form'<span style=\"color: navy\"><b> -&gt; </b></span>tgtIngredientExtVar.url = <span style=\"color: blue\">'https://gematik.de/fhir/epa-medication/StructureDefinition/medication-ingredient-darreichungsform-extension'</span><b> then</b><span style=\"color: navy\"> {\r\n</span>        IngredientExtVar.value<b> as </b><span style=\"color: maroon\">extValVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtIngredientExtVar.value = <span style=\"color: maroon\">extValVar</span> <i>&quot;copyExtensionValue&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Übernimmt die Darreichungsform des Bestandteils</span>\r\n      <span style=\"color: navy\">}</span> <i>&quot;copyIngredientFormExtensionUrl&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Wandelt KBV-Bestandteil-Darreichungsform-Extension in gematik-Format um</span>\r\n    <span style=\"color: navy\">}</span> <i>&quot;medicationIngredientExt&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Transformiert Bestandteil-spezifische Extensions</span>\r\n    ingredientVar.strength<b> as </b><span style=\"color: maroon\">IngredientStrengthValueVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtIngredientVar.strength<b> as </b><span style=\"color: maroon\">IngredientStrengthValueVar</span><b> then</b><span style=\"color: navy\"> {\r\n</span>      IngredientStrengthValueVar.denominator<b> as </b><span style=\"color: maroon\">ingredientDenominatorVar</span><span style=\"color: navy\"><b> -&gt; </b></span>IngredientStrengthValueVar.denominator = <span style=\"color: maroon\">ingredientDenominatorVar</span> <i>&quot;medicationIngredientDenominator&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Kopiert den Nenner für die Stärkeangabe (Bezugsmenge)</span>\r\n      IngredientStrengthValueVar.numerator<b> as </b><span style=\"color: maroon\">ingredientNumeratorVar</span><span style=\"color: navy\"><b> -&gt; </b></span>IngredientStrengthValueVar.numerator = <span style=\"color: maroon\">ingredientNumeratorVar</span> <i>&quot;medicationIngredientNumerator&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Kopiert den Zähler für die Stärkeangabe (Wirkstoffmenge)</span>\r\n      IngredientStrengthValueVar.extension<b> as </b><span style=\"color: maroon\">IngredientStrExtVar</span><span style=\"color: navy\"><b> -&gt; </b></span>IngredientStrengthValueVar.extension<b> as </b><span style=\"color: maroon\">tgtIngredientStrExtVar</span><b> then</b><span style=\"color: navy\"> {\r\n</span>        IngredientStrExtVar<b> where </b>url='https://fhir.kbv.de/StructureDefinition/KBV_EX_ERP_Medication_Ingredient_Amount'<span style=\"color: navy\"><b> -&gt; </b></span>tgtIngredientStrExtVar.url = <span style=\"color: blue\">'https://gematik.de/fhir/epa-medication/StructureDefinition/medication-ingredient-amount-extension'</span><b> then</b><span style=\"color: navy\"> {\r\n</span>          IngredientStrExtVar.value<b> as </b><span style=\"color: maroon\">extValVar</span><span style=\"color: navy\"><b> -&gt; </b></span>tgtIngredientStrExtVar.value = <span style=\"color: maroon\">extValVar</span> <i>&quot;copyExtensionValue&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Übernimmt die Mengenangabe des Bestandteils</span>\r\n        <span style=\"color: navy\">}</span> <i>&quot;copyIngredientAmountExtensionUrl&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Wandelt KBV-Bestandteil-Mengen-Extension in gematik-Format um</span>\r\n      <span style=\"color: navy\">}</span> <i>&quot;medicationIngredientStrengthExt&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Transformiert Bestandteil-Mengen-Extensions</span>\r\n    <span style=\"color: navy\">}</span> <i>&quot;medicationIngredientStrength&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Mappt die Stärke/Konzentration des Bestandteils in der Rezeptur</span>\r\n  <span style=\"color: navy\">}</span> <i>&quot;medicationIngredient&quot;</i><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">Mappt die Bestandteile der Rezeptur mit detaillierten Mengen- und Stärkeangaben</span>\r\n<span style=\"color: navy\">}\r\n\r\n</span></pre></div>"
  },
  "url" : "https://gematik.de/fhir/erp-t-prescription/StructureMap/ERPTPrescriptionStructureMapKBVCompoundingMedication",
  "version" : "1.1.0-ballot-1",
  "name" : "ERPTPrescriptionStructureMapKBVCompoundingMedication",
  "title" : "E-T-Rezept Structure Map for KBV Compounding Medication",
  "status" : "draft",
  "experimental" : false,
  "date" : "2025-07-07",
  "publisher" : "gematik GmbH",
  "contact" : [
    {
      "name" : "gematik GmbH",
      "telecom" : [
        {
          "system" : "url",
          "value" : "https://gematik.de"
        },
        {
          "system" : "email",
          "value" : "erp-umsetzung@gematik.de"
        }
      ]
    }
  ],
  "description" : "Mapping-Anweisungen zur Transformation von KBV Rezeptur-Medikamenten zu BfArM T-Prescription Format",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "urn:iso:std:iso:3166",
          "code" : "DE",
          "display" : "Germany"
        }
      ]
    }
  ],
  "structure" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/Medication",
      "mode" : "source",
      "alias" : "kbvMedicationCompounding"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/Medication",
      "mode" : "target",
      "alias" : "bfarmMedication"
    }
  ],
  "group" : [
    {
      "name" : "ERPTPrescriptionStructureMapKBVCompoundingMedication",
      "typeMode" : "none",
      "documentation" : "Mapping-Anweisungen zur Transformation von KBV Rezeptur-Medikamenten zu BfArM T-Prescription Format",
      "input" : [
        {
          "name" : "kbvMedicationCompounding",
          "type" : "kbvMedicationCompounding",
          "mode" : "source"
        },
        {
          "name" : "bfarmMedication",
          "type" : "bfarmMedication",
          "mode" : "target"
        }
      ],
      "rule" : [
        {
          "name" : "medicationExt",
          "source" : [
            {
              "context" : "kbvMedicationCompounding",
              "element" : "extension",
              "variable" : "extVar"
            }
          ],
          "target" : [
            {
              "context" : "bfarmMedication",
              "contextType" : "variable",
              "element" : "extension",
              "variable" : "tgtExtVar"
            }
          ],
          "rule" : [
            {
              "name" : "copyFormulaPackagingExtensionUrl",
              "source" : [
                {
                  "context" : "extVar",
                  "variable" : "extMatchVar",
                  "condition" : "url='https://fhir.kbv.de/StructureDefinition/KBV_EX_ERP_Medication_Packaging'"
                }
              ],
              "target" : [
                {
                  "context" : "tgtExtVar",
                  "contextType" : "variable",
                  "element" : "url",
                  "transform" : "copy",
                  "parameter" : [
                    {
                      "valueString" : "https://gematik.de/fhir/epa-medication/StructureDefinition/medication-formulation-packaging-extension"
                    }
                  ]
                }
              ],
              "rule" : [
                {
                  "name" : "copyExtensionValue",
                  "source" : [
                    {
                      "context" : "extMatchVar",
                      "element" : "value",
                      "variable" : "extValVar"
                    }
                  ],
                  "target" : [
                    {
                      "context" : "tgtExtVar",
                      "contextType" : "variable",
                      "element" : "value",
                      "transform" : "copy",
                      "parameter" : [
                        {
                          "valueId" : "extValVar"
                        }
                      ]
                    }
                  ],
                  "documentation" : "Übernimmt den Verpackungswert für die Rezeptur"
                }
              ],
              "documentation" : "Transformiert KBV-Verpackungs-Extension in gematik-Formulierungs-Verpackungs-Extension"
            }
          ],
          "documentation" : "Mappt Rezeptur-spezifische Extensions von KBV- zu BfArM-Format"
        },
        {
          "name" : "medicationId",
          "source" : [
            {
              "context" : "kbvMedicationCompounding",
              "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" : "kbvMedicationCompounding",
              "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 Bezeichnung der Rezeptur (z.B. 'Hydrocortison-Salbe 1%')"
            }
          ],
          "documentation" : "Mappt den Rezeptur-Code mit Bezeichnung"
        },
        {
          "name" : "medicationForm",
          "source" : [
            {
              "context" : "kbvMedicationCompounding",
              "element" : "form",
              "variable" : "formVar"
            }
          ],
          "target" : [
            {
              "context" : "bfarmMedication",
              "contextType" : "variable",
              "element" : "form",
              "transform" : "copy",
              "parameter" : [
                {
                  "valueId" : "formVar"
                }
              ]
            }
          ],
          "documentation" : "Übernimmt die Darreichungsform der Rezeptur (Salbe, Creme, Kapseln, etc.)"
        },
        {
          "name" : "medicationAmount",
          "source" : [
            {
              "context" : "kbvMedicationCompounding",
              "element" : "amount",
              "variable" : "amountVar"
            }
          ],
          "target" : [
            {
              "context" : "bfarmMedication",
              "contextType" : "variable",
              "element" : "amount",
              "variable" : "tgtAmountVar"
            }
          ],
          "rule" : [
            {
              "name" : "medicationAmountDenominator",
              "source" : [
                {
                  "context" : "amountVar",
                  "element" : "denominator",
                  "variable" : "amountDenominatorVar"
                }
              ],
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