Implementation Guide
ePA Medication Service
Version 1.3.1 - release

Extension: NarcoticsExtension - Detailed Descriptions

Active as of 2026-03-20

Definitions for the narcotics-extension extension.

Guidance on how to interpret the contents of this table can be foundhere

0. Extension
Definition

Abbildung der Angaben zur Verordnung eines Betäubungsmittels im Sinne des Betäubungsmittelgesetzes (BtMG)


Optional Extension Element - found in all resources.

ShortExtensionOptional Extensions Element
Control0..*
This element is affected by the following invariants: ele-1
Is Modifierfalse
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
2. Extension.extension
Definition

An Extension


May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

ShortExtensionAdditional content defined by implementations
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

Control0..*
This element is affected by the following invariants: ele-1
TypeExtension
Is Modifierfalse
Must Supporttrue
Summaryfalse
Alternate Namesextensions, user content
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
SlicingThis element introduces a set of slices on Extension.extension. The slices areUnordered and ClosedOpen, and can be differentiated using the following discriminators:
  • value @ url
  • 4. Extension.extension:narcotics-markings
    Slice Namenarcotics-markings
    Definition

    An Extension

    ShortExtensionAdditional content defined by implementations
    Control0..1*
    This element is affected by the following invariants: ele-1
    TypeExtension
    Is Modifierfalse
    Must Supporttrue
    Summaryfalse
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    6. Extension.extension:narcotics-markings.extension
    Definition

    An Extension


    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

    ShortExtensionAdditional content defined by implementations
    Comments

    There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

    Control0..0*
    This element is affected by the following invariants: ele-1
    TypeExtension
    Is Modifierfalse
    Summaryfalse
    Alternate Namesextensions, user content
    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
    SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
    • value @ url
    • 8. Extension.extension:narcotics-markings.url
      Definition

      Source of the definition for the extension code - a logical name or a URL.

      Shortidentifies the meaning of the extension
      Comments

      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.

      Control1..1
      Typeuri
      Must Supporttrue
      XML FormatIn the XML format, this property is represented as an attribute.
      Fixed Valuenarcotics-markings
      10. Extension.extension:narcotics-markings.value[x]
      Definition

      Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

      ShortValue of extension
      Comments

      Die KBV aktualisiert ihr "Schüsseltabellen"-Paket häufiger, als neue ePA-Versionen veröffentlicht werden. Allerdings übernehmen die E-Rezept-Clients und der E-Rezept-Fachdienst neue KBV-Paketversionen schnell nach deren Veröffentlichung und geben sie somit an den ePA-MedicationService weiter. Da der MedicationService möglicherweise an eine ältere Version des KBV-Pakets gebunden ist, würde er die weitergeleiteten E-Rezept-Daten ablehnen. Zukünftig wird der MedicationService in der Lage sein, auf die neuesten KBV-Paketversionen zu aktualisieren, ohne dass eine neue ePA-Version erforderlich ist.
      Da das E-Rezept tatsächlich die Codes gegen die neueste KBV-Paketversion prüft, wird der MedicationService keine "ungültigen" Codes erhalten, und die Clients können darauf vertrauen, dass die Daten des MedicationService mit der neuesten KBV-Paketversion übereinstimmen.

      Control0..1
      This element is affected by the following invariants: ele-1
      BindingThe codes SHALL be taken from For codes, see https://fhir.kbv.de/ValueSet/KBV_VS_SFHIR_KBV_NARCOTIC_LABEL
      (required to https://fhir.kbv.de/ValueSet/KBV_VS_SFHIR_KBV_NARCOTIC_LABEL)
      TypeCoding, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
      [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
      Is Modifierfalse
      Must Supporttrue
      Pattern Value{
        "system" : "https://fhir.kbv.de/CodeSystem/KBV_CS_SFHIR_KBV_NARCOTIC_LABEL"
      }
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      12. Extension.extension:narcotics-markings.value[x].system
      Definition

      The identification of the code system that defines the meaning of the symbol in the code.

      ShortIdentity of the terminology system
      Comments

      The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...). OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should reference to some definition that establishes the system clearly and unambiguously.

      Control0..1
      Typeuri
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Must Supporttrue
      Summarytrue
      Requirements

      Need to be unambiguous about the source of the definition of the symbol.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      14. Extension.extension:narcotics-markings.value[x].code
      Definition

      Kennzeichen nach § 9 Abs. 1 Nr. 6 BtMVV


      A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination).

      ShortKennzeichen nach § 9 Abs. 1 Nr. 6 BtMVVSymbol in syntax defined by the system
      Control0..1
      Typecode
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Must Supporttrue
      Summarytrue
      Requirements

      Need to refer to a particular code in the system.

      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      16. Extension.extension:additional-information-substitutes
      Slice Nameadditional-information-substitutes
      Definition

      An Extension

      ShortExtensionAdditional content defined by implementations
      Control0..1*
      This element is affected by the following invariants: ele-1
      TypeExtension
      Is Modifierfalse
      Must Supporttrue
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      18. Extension.extension:additional-information-substitutes.extension
      Definition

      An Extension


      May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

      ShortExtensionAdditional content defined by implementations
      Comments

      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

      Control0..0*
      This element is affected by the following invariants: ele-1
      TypeExtension
      Is Modifierfalse
      Summaryfalse
      Alternate Namesextensions, user content
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
      • value @ url
      • 20. Extension.extension:additional-information-substitutes.url
        Definition

        Source of the definition for the extension code - a logical name or a URL.

        Shortidentifies the meaning of the extension
        Comments

        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.

        Control1..1
        Typeuri
        Must Supporttrue
        XML FormatIn the XML format, this property is represented as an attribute.
        Fixed Valueadditional-information-substitutes
        22. Extension.extension:additional-information-substitutes.value[x]
        Definition

        Dieses Feld enthält ergänzende Angaben zu Reichdauer und Teilmengen des Substitutionsmittels, insbesondere Zeitpunkte, zu denen das Substitutionsmittel abgegeben bzw. verabreicht werden soll.


        Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

        ShortErgänzende Angaben zu SubstitutionsmittelValue of extension
        Control0..1
        This element is affected by the following invariants: ele-1
        Typestring, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
        Is Modifierfalse
        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
        Must Supporttrue
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        24. Extension.url
        Definition

        Source of the definition for the extension code - a logical name or a URL.

        Shortidentifies the meaning of the extension
        Comments

        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.

        Control1..1
        Typeuri
        Must Supporttrue
        XML FormatIn the XML format, this property is represented as an attribute.
        Fixed Valuehttps://gematik.de/fhir/epa-medication/StructureDefinition/narcotics-extension
        26. Extension.value[x]
        Definition

        Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

        ShortValue of extension
        Control0..01
        This element is affected by the following invariants: ele-1
        TypeChoice of: base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta
        Is Modifierfalse
        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))

        Guidance on how to interpret the contents of this table can be foundhere

        0. Extension
        Definition

        Abbildung der Angaben zur Verordnung eines Betäubungsmittels im Sinne des Betäubungsmittelgesetzes (BtMG)

        2. Extension.extension
        Must Supporttrue
        SlicingThis element introduces a set of slices on Extension.extension. The slices areUnordered and Closed, and can be differentiated using the following discriminators:
        • value @ url
        • 4. Extension.extension:narcotics-markings
          Slice Namenarcotics-markings
          Control0..1
          Must Supporttrue
          6. Extension.extension:narcotics-markings.extension
          Control0..0
          8. Extension.extension:narcotics-markings.url
          Must Supporttrue
          Fixed Valuenarcotics-markings
          10. Extension.extension:narcotics-markings.value[x]
          Comments

          Die KBV aktualisiert ihr "Schüsseltabellen"-Paket häufiger, als neue ePA-Versionen veröffentlicht werden. Allerdings übernehmen die E-Rezept-Clients und der E-Rezept-Fachdienst neue KBV-Paketversionen schnell nach deren Veröffentlichung und geben sie somit an den ePA-MedicationService weiter. Da der MedicationService möglicherweise an eine ältere Version des KBV-Pakets gebunden ist, würde er die weitergeleiteten E-Rezept-Daten ablehnen. Zukünftig wird der MedicationService in der Lage sein, auf die neuesten KBV-Paketversionen zu aktualisieren, ohne dass eine neue ePA-Version erforderlich ist.
          Da das E-Rezept tatsächlich die Codes gegen die neueste KBV-Paketversion prüft, wird der MedicationService keine "ungültigen" Codes erhalten, und die Clients können darauf vertrauen, dass die Daten des MedicationService mit der neuesten KBV-Paketversion übereinstimmen.

          BindingThe codes SHALL be taken from https://fhir.kbv.de/ValueSet/KBV_VS_SFHIR_KBV_NARCOTIC_LABEL
          (required to https://fhir.kbv.de/ValueSet/KBV_VS_SFHIR_KBV_NARCOTIC_LABEL)
          TypeCoding
          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
          Must Supporttrue
          Pattern Value{
            "system" : "https://fhir.kbv.de/CodeSystem/KBV_CS_SFHIR_KBV_NARCOTIC_LABEL"
          }
          12. Extension.extension:narcotics-markings.value[x].system
          Must Supporttrue
          14. Extension.extension:narcotics-markings.value[x].code
          Definition

          Kennzeichen nach § 9 Abs. 1 Nr. 6 BtMVV

          ShortKennzeichen nach § 9 Abs. 1 Nr. 6 BtMVV
          Must Supporttrue
          16. Extension.extension:additional-information-substitutes
          Slice Nameadditional-information-substitutes
          Control0..1
          Must Supporttrue
          18. Extension.extension:additional-information-substitutes.extension
          Control0..0
          20. Extension.extension:additional-information-substitutes.url
          Must Supporttrue
          Fixed Valueadditional-information-substitutes
          22. Extension.extension:additional-information-substitutes.value[x]
          Definition

          Dieses Feld enthält ergänzende Angaben zu Reichdauer und Teilmengen des Substitutionsmittels, insbesondere Zeitpunkte, zu denen das Substitutionsmittel abgegeben bzw. verabreicht werden soll.

          ShortErgänzende Angaben zu Substitutionsmittel
          Typestring
          [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
          Must Supporttrue
          24. Extension.url
          Must Supporttrue
          Fixed Valuehttps://gematik.de/fhir/epa-medication/StructureDefinition/narcotics-extension
          26. Extension.value[x]
          Control0..0

          Guidance on how to interpret the contents of this table can be foundhere

          0. Extension
          Definition

          Abbildung der Angaben zur Verordnung eines Betäubungsmittels im Sinne des Betäubungsmittelgesetzes (BtMG)

          ShortExtension
          Control0..*
          This element is affected by the following invariants: ele-1
          Is Modifierfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
          2. Extension.id
          Definition

          Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

          ShortUnique id for inter-element referencing
          Control0..1
          Typestring
          Is Modifierfalse
          XML FormatIn the XML format, this property is represented as an attribute.
          Summaryfalse
          4. Extension.extension
          Definition

          An Extension

          ShortExtension
          Control0..*
          TypeExtension
          Is Modifierfalse
          Must Supporttrue
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
          SlicingThis element introduces a set of slices on Extension.extension. The slices areUnordered and Closed, and can be differentiated using the following discriminators:
          • value @ url
          • 6. Extension.extension:narcotics-markings
            Slice Namenarcotics-markings
            Definition

            An Extension

            ShortExtension
            Control0..1
            TypeExtension
            Is Modifierfalse
            Must Supporttrue
            Summaryfalse
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
            8. Extension.extension:narcotics-markings.id
            Definition

            Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

            ShortUnique id for inter-element referencing
            Control0..1
            Typestring
            Is Modifierfalse
            XML FormatIn the XML format, this property is represented as an attribute.
            Summaryfalse
            10. Extension.extension:narcotics-markings.extension
            Definition

            An Extension

            ShortExtension
            Control0..0
            TypeExtension
            Is Modifierfalse
            Summaryfalse
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
            SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
            • value @ url
            • 12. Extension.extension:narcotics-markings.url
              Definition

              Source of the definition for the extension code - a logical name or a URL.

              Shortidentifies the meaning of the extension
              Comments

              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.

              Control1..1
              Typeuri
              Must Supporttrue
              XML FormatIn the XML format, this property is represented as an attribute.
              Fixed Valuenarcotics-markings
              14. Extension.extension:narcotics-markings.value[x]
              Definition

              Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

              ShortValue of extension
              Comments

              Die KBV aktualisiert ihr "Schüsseltabellen"-Paket häufiger, als neue ePA-Versionen veröffentlicht werden. Allerdings übernehmen die E-Rezept-Clients und der E-Rezept-Fachdienst neue KBV-Paketversionen schnell nach deren Veröffentlichung und geben sie somit an den ePA-MedicationService weiter. Da der MedicationService möglicherweise an eine ältere Version des KBV-Pakets gebunden ist, würde er die weitergeleiteten E-Rezept-Daten ablehnen. Zukünftig wird der MedicationService in der Lage sein, auf die neuesten KBV-Paketversionen zu aktualisieren, ohne dass eine neue ePA-Version erforderlich ist.
              Da das E-Rezept tatsächlich die Codes gegen die neueste KBV-Paketversion prüft, wird der MedicationService keine "ungültigen" Codes erhalten, und die Clients können darauf vertrauen, dass die Daten des MedicationService mit der neuesten KBV-Paketversion übereinstimmen.

              Control0..1
              This element is affected by the following invariants: ele-1
              BindingThe codes SHALL be taken from https://fhir.kbv.de/ValueSet/KBV_VS_SFHIR_KBV_NARCOTIC_LABEL
              (required to https://fhir.kbv.de/ValueSet/KBV_VS_SFHIR_KBV_NARCOTIC_LABEL)
              TypeCoding
              [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
              Is Modifierfalse
              Must Supporttrue
              Pattern Value{
                "system" : "https://fhir.kbv.de/CodeSystem/KBV_CS_SFHIR_KBV_NARCOTIC_LABEL"
              }
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              16. Extension.extension:narcotics-markings.value[x].id
              Definition

              Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

              ShortUnique id for inter-element referencing
              Control0..1
              Typestring
              Is Modifierfalse
              XML FormatIn the XML format, this property is represented as an attribute.
              Summaryfalse
              18. Extension.extension:narcotics-markings.value[x].extension
              Definition

              May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

              ShortAdditional content defined by implementations
              Comments

              There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

              Control0..*
              TypeExtension
              Is Modifierfalse
              Summaryfalse
              Alternate Namesextensions, user content
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
              SlicingThis element introduces a set of slices on Extension.extension.value[x].extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
              • value @ url
              • 20. Extension.extension:narcotics-markings.value[x].system
                Definition

                The identification of the code system that defines the meaning of the symbol in the code.

                ShortIdentity of the terminology system
                Comments

                The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...). OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should reference to some definition that establishes the system clearly and unambiguously.

                Control0..1
                Typeuri
                Is Modifierfalse
                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                Must Supporttrue
                Summarytrue
                Requirements

                Need to be unambiguous about the source of the definition of the symbol.

                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                22. Extension.extension:narcotics-markings.value[x].version
                Definition

                The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured, and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged.

                ShortVersion of the system - if relevant
                Comments

                Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date.

                NoteThis is a business version Id, not a resource version Id (see discussion)
                Control0..1
                Typestring
                Is Modifierfalse
                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                Summarytrue
                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                24. Extension.extension:narcotics-markings.value[x].code
                Definition

                Kennzeichen nach § 9 Abs. 1 Nr. 6 BtMVV

                ShortKennzeichen nach § 9 Abs. 1 Nr. 6 BtMVV
                Control0..1
                Typecode
                Is Modifierfalse
                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                Must Supporttrue
                Summarytrue
                Requirements

                Need to refer to a particular code in the system.

                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                26. Extension.extension:narcotics-markings.value[x].display
                Definition

                A representation of the meaning of the code in the system, following the rules of the system.

                ShortRepresentation defined by the system
                Comments

                Note that FHIR strings SHALL NOT exceed 1MB in size

                Control0..1
                Typestring
                Is Modifierfalse
                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                Summarytrue
                Requirements

                Need to be able to carry a human-readable meaning of the code for readers that do not know the system.

                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                28. Extension.extension:narcotics-markings.value[x].userSelected
                Definition

                Indicates that this coding was chosen by a user directly - e.g. off a pick list of available items (codes or displays).

                ShortIf this coding was chosen directly by the user
                Comments

                Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely.

                Control0..1
                Typeboolean
                Is Modifierfalse
                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                Summarytrue
                Requirements

                This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing.

                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                30. Extension.extension:additional-information-substitutes
                Slice Nameadditional-information-substitutes
                Definition

                An Extension

                ShortExtension
                Control0..1
                TypeExtension
                Is Modifierfalse
                Must Supporttrue
                Summaryfalse
                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                32. Extension.extension:additional-information-substitutes.id
                Definition

                Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

                ShortUnique id for inter-element referencing
                Control0..1
                Typestring
                Is Modifierfalse
                XML FormatIn the XML format, this property is represented as an attribute.
                Summaryfalse
                34. Extension.extension:additional-information-substitutes.extension
                Definition

                An Extension

                ShortExtension
                Control0..0
                TypeExtension
                Is Modifierfalse
                Summaryfalse
                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
                SlicingThis element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                • value @ url
                • 36. Extension.extension:additional-information-substitutes.url
                  Definition

                  Source of the definition for the extension code - a logical name or a URL.

                  Shortidentifies the meaning of the extension
                  Comments

                  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.

                  Control1..1
                  Typeuri
                  Must Supporttrue
                  XML FormatIn the XML format, this property is represented as an attribute.
                  Fixed Valueadditional-information-substitutes
                  38. Extension.extension:additional-information-substitutes.value[x]
                  Definition

                  Dieses Feld enthält ergänzende Angaben zu Reichdauer und Teilmengen des Substitutionsmittels, insbesondere Zeitpunkte, zu denen das Substitutionsmittel abgegeben bzw. verabreicht werden soll.

                  ShortErgänzende Angaben zu Substitutionsmittel
                  Control0..1
                  This element is affected by the following invariants: ele-1
                  Typestring
                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                  Is Modifierfalse
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Must Supporttrue
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  40. Extension.url
                  Definition

                  Source of the definition for the extension code - a logical name or a URL.

                  Shortidentifies the meaning of the extension
                  Comments

                  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.

                  Control1..1
                  Typeuri
                  Must Supporttrue
                  XML FormatIn the XML format, this property is represented as an attribute.
                  Fixed Valuehttps://gematik.de/fhir/epa-medication/StructureDefinition/narcotics-extension
                  42. Extension.value[x]
                  Definition

                  Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

                  ShortValue of extension
                  Control0..0
                  This element is affected by the following invariants: ele-1
                  TypeChoice of: base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta
                  Is Modifierfalse
                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))