Implementation Guide
ePA Medication Service
Version 1.0.5-1 - release

## Extension: RxPrescriptionProcessIdentifierExtension - XML Profile

Active as of 2025-02-28

XML representation of the rx-prescription-process-identifier-extension extension.

Raw xml | Download

    <StructureDefinition xmlns="http://hl7.org/fhir">
      <id value="rx-prescription-process-identifier-extension"/>
      <url
           value="https://gematik.de/fhir/epa-medication/StructureDefinition/rx-prescription-process-identifier-extension"/>
      <version value="1.0.5-1"/>
      <name value="RxPrescriptionProcessIdentifierExtension"/>
      <status value="active"/>
      <experimental value="false"/>
      <date value="2025-02-28"/>
      <publisher value="gematik GmbH"/>
      <contact>
        <name value="gematik GmbH"/>
        <telecom>
          <system value="url"/>
          <value value="https://www.gematik.de"/>
        </telecom>
        <telecom>
          <system value="email"/>
          <value value="patientteam [ at ] gematik.de"/>
        </telecom>
      </contact>
      <description
                   value="This extension is used to track medication prescription transactions between the E-Rezept-Fachdienst and the ePA. The RxPrescriptionProcessIdentifier is generated by the ePA Medication Service and consists of the PrescriptionId and the authoredOn date of the operation parameters request. It ensures consistent referencing and management of medication-related resources across different systems."/>
      <jurisdiction>
        <coding>
          <system value="urn:iso:std:iso:3166"/>
          <code value="DE"/>
        </coding>
      </jurisdiction>
      <fhirVersion value="4.0.1"/>
      <mapping>
        <identity value="rim"/>
        <uri value="http://hl7.org/v3"/>
        <name value="RIM Mapping"/>
      </mapping>
      <kind value="complex-type"/>
      <abstract value="false"/>
      <context>
        <type value="element"/>
        <expression value="Element"/>
      </context>
      <type value="Extension"/>
      <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      <derivation value="constraint"/>
      <snapshot>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
          <valueString value="4.0.1"/>
        </extension>
        <element id="Extension">
          <path value="Extension"/>
          <short value="Extension"/>
          <definition
                      value="This extension is used to track medication prescription transactions between the E-Rezept-Fachdienst and the ePA. The RxPrescriptionProcessIdentifier is generated by the ePA Medication Service and consists of the PrescriptionId and the authoredOn date of the operation parameters request. It ensures consistent referencing and management of medication-related resources across different systems."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="Extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <condition value="ele-1"/>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath
                   value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
          </constraint>
        </element>
        <element id="Extension.id">
          <path value="Extension.id"/>
          <representation value="xmlAttr"/>
          <short value="Unique id for inter-element referencing"/>
          <definition
                      value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Element.id"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
              <valueUrl value="string"/>
            </extension>
            <code value="http://hl7.org/fhirpath/System.String"/>
          </type>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
        </element>
        <element id="Extension.extension">
          <path value="Extension.extension"/>
          <slicing>
            <discriminator>
              <type value="value"/>
              <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
          </slicing>
          <short value="Extension"/>
          <definition value="An Extension"/>
          <min value="0"/>
          <max value="0"/>
          <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <condition value="ele-1"/>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <constraint>
            <key value="ext-1"/>
            <severity value="error"/>
            <human value="Must have either extensions or value[x], not both"/>
            <expression value="extension.exists() != value.exists()"/>
            <xpath
                   value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
        </element>
        <element id="Extension.url">
          <path value="Extension.url"/>
          <representation value="xmlAttr"/>
          <short value="identifies the meaning of the extension"/>
          <definition
                      value="Source of the definition for the extension code - a logical name or a URL."/>
          <comment
                   value="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."/>
          <min value="1"/>
          <max value="1"/>
          <base>
            <path value="Extension.url"/>
            <min value="1"/>
            <max value="1"/>
          </base>
          <type>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
              <valueUrl value="uri"/>
            </extension>
            <code value="http://hl7.org/fhirpath/System.String"/>
          </type>
          <fixedUri
                    value="https://gematik.de/fhir/epa-medication/StructureDefinition/rx-prescription-process-identifier-extension"/>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
        <element id="Extension.value[x]">
          <path value="Extension.value[x]"/>
          <short value="Value of extension"/>
          <definition
                      value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Extension.value[x]"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Identifier"/>
            <profile
                     value="https://gematik.de/fhir/epa-medication/StructureDefinition/rx-prescription-process-identifier"/>
          </type>
          <condition value="ele-1"/>
          <constraint>
            <key value="ele-1"/>
            <severity value="error"/>
            <human value="All FHIR elements must have a @value or children"/>
            <expression
                        value="hasValue() or (children().count() &gt; id.count())"/>
            <xpath value="@value|f:*|h:div"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
          </constraint>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
      </snapshot>
      <differential>
        <element id="Extension">
          <path value="Extension"/>
          <definition
                      value="This extension is used to track medication prescription transactions between the E-Rezept-Fachdienst and the ePA. The RxPrescriptionProcessIdentifier is generated by the ePA Medication Service and consists of the PrescriptionId and the authoredOn date of the operation parameters request. It ensures consistent referencing and management of medication-related resources across different systems."/>
        </element>
        <element id="Extension.extension">
          <path value="Extension.extension"/>
          <max value="0"/>
        </element>
        <element id="Extension.url">
          <path value="Extension.url"/>
          <fixedUri
                    value="https://gematik.de/fhir/epa-medication/StructureDefinition/rx-prescription-process-identifier-extension"/>
        </element>
        <element id="Extension.value[x]">
          <path value="Extension.value[x]"/>
          <type>
            <code value="Identifier"/>
            <profile
                     value="https://gematik.de/fhir/epa-medication/StructureDefinition/rx-prescription-process-identifier"/>
          </type>
        </element>
      </differential>
    </StructureDefinition>