German Practice Management FHIR Profiles (R4)
Version 0.99.1 - release

Extension: BillingPatientAttributeRule - Detailed Descriptions

Active as of 2026-08-22

Definitions for the billing-patient-attribute-rule extension.

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

0. Extension
Definition

Typed declarative patient-attribute billing rule. As a modifier extension it must be understood before billability is asserted.


Optional Extension Element - found in all resources.

ShortBilling Patient Attribute RuleOptional Extensions Element
Control0..*
This element is affected by the following invariants: ele-1
Is Modifiertruefalse because The rule can change whether the containing billing item is applicable.
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())
billing-patient-attribute-has-parameter: A patient-attribute rule must declare at least one typed patient attribute parameter. (extension.where(url = 'minimumAge' or url = 'maximumAge' or url = 'gender' or url = 'status').exists())
billing-rule-class-semantic-version: A typed billing rule must declare semantic major 1 for the BillingRuleClass CodeSystem. (extension.where(url = 'ruleClass').value.ofType(Coding).version = '1')
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.

Control30..*
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. The slices areUnordered and Open, and can be differentiated using the following discriminators:
  • value @ url
  • 4. Extension.extension:ruleId
    Slice NameruleId
    Definition

    An Extension

    ShortExtensionAdditional content defined by implementations
    Control10..1*
    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())
    6. Extension.extension:ruleId.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*
    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.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
    • value @ url
    • 8. Extension.extension:ruleId.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
      Is Modifierfalse
      XML FormatIn the XML format, this property is represented as an attribute.
      Summaryfalse
      Fixed ValueruleId
      10. Extension.extension:ruleId.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..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
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      12. Extension.extension:ruleClass
      Slice NameruleClass
      Definition

      An Extension

      ShortExtensionAdditional content defined by implementations
      Control10..1*
      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())
      14. Extension.extension:ruleClass.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*
      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.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
      • value @ url
      • 16. Extension.extension:ruleClass.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
        Is Modifierfalse
        XML FormatIn the XML format, this property is represented as an attribute.
        Summaryfalse
        Fixed ValueruleClass
        18. Extension.extension:ruleClass.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..1
        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
        Summaryfalse
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        20. Extension.extension:ruleClass.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
        Summarytrue
        Requirements

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

        Fixed Valuehttps://fhir.cognovis.de/praxis/CodeSystem/billing-rule-class
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        22. Extension.extension:ruleClass.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)
        Control10..1
        Typestring
        Is Modifierfalse
        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
        Summarytrue
        Fixed Value1
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        24. Extension.extension:ruleClass.value[x].code
        Definition

        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).

        ShortSymbol 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
        Summarytrue
        Requirements

        Need to refer to a particular code in the system.

        Fixed Valuepatient-attribute-constraint
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        26. Extension.extension:effect
        Slice Nameeffect
        Definition

        An Extension

        ShortExtensionAdditional content defined by implementations
        Control10..1*
        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())
        28. Extension.extension:effect.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*
        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.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
        • value @ url
        • 30. Extension.extension:effect.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
          Is Modifierfalse
          XML FormatIn the XML format, this property is represented as an attribute.
          Summaryfalse
          Fixed Valueeffect
          32. Extension.extension:effect.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..1
          BindingThe codes SHALL be taken from For codes, see Billing Rule Effect
          (required to https://fhir.cognovis.de/praxis/ValueSet/billing-rule-effect-vs)
          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
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          34. Extension.extension:minimumAge
          Slice NameminimumAge
          Definition

          An Extension

          ShortExtensionAdditional content defined by implementations
          Control0..1*
          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())
          36. Extension.extension:minimumAge.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*
          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.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
          • value @ url
          • 38. Extension.extension:minimumAge.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
            Is Modifierfalse
            XML FormatIn the XML format, this property is represented as an attribute.
            Summaryfalse
            Fixed ValueminimumAge
            40. Extension.extension:minimumAge.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..1
            Typeinteger, date, Meta, Address, Attachment, Count, DataRequirement, Dosage, uuid, Identifier, Coding, 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
            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
            Summaryfalse
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
            42. Extension.extension:maximumAge
            Slice NamemaximumAge
            Definition

            An Extension

            ShortExtensionAdditional content defined by implementations
            Control0..1*
            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())
            44. Extension.extension:maximumAge.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*
            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.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
            • value @ url
            • 46. Extension.extension:maximumAge.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
              Is Modifierfalse
              XML FormatIn the XML format, this property is represented as an attribute.
              Summaryfalse
              Fixed ValuemaximumAge
              48. Extension.extension:maximumAge.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..1
              Typeinteger, date, Meta, Address, Attachment, Count, DataRequirement, Dosage, uuid, Identifier, Coding, 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
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Summaryfalse
              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
              50. Extension.extension:gender
              Slice Namegender
              Definition

              An Extension

              ShortExtensionAdditional content defined by implementations
              Control0..*
              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())
              52. Extension.extension:gender.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*
              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.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
              • value @ url
              • 54. Extension.extension:gender.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
                Is Modifierfalse
                XML FormatIn the XML format, this property is represented as an attribute.
                Summaryfalse
                Fixed Valuegender
                56. Extension.extension:gender.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..1
                BindingThe codes SHALL be taken from For codes, see AdministrativeGender
                (required to http://hl7.org/fhir/ValueSet/administrative-gender)
                Typecode, 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, 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
                Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                Summaryfalse
                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                58. Extension.extension:status
                Slice Namestatus
                Definition

                An Extension

                ShortExtensionAdditional content defined by implementations
                Control0..*
                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())
                60. Extension.extension:status.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*
                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.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                • value @ url
                • 62. Extension.extension:status.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
                  Is Modifierfalse
                  XML FormatIn the XML format, this property is represented as an attribute.
                  Summaryfalse
                  Fixed Valuestatus
                  64. Extension.extension:status.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..1
                  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
                  Summaryfalse
                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                  66. 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
                  Is Modifierfalse
                  XML FormatIn the XML format, this property is represented as an attribute.
                  Summaryfalse
                  Fixed Valuehttps://fhir.cognovis.de/praxis/StructureDefinition/billing-patient-attribute-rule
                  68. 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
                  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
                  Summaryfalse
                  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

                  Typed declarative patient-attribute billing rule. As a modifier extension it must be understood before billability is asserted.

                  ShortBilling Patient Attribute Rule
                  Is Modifiertrue because The rule can change whether the containing billing item is applicable.
                  Invariantsbilling-patient-attribute-has-parameter: A patient-attribute rule must declare at least one typed patient attribute parameter. (extension.where(url = 'minimumAge' or url = 'maximumAge' or url = 'gender' or url = 'status').exists())
                  billing-rule-class-semantic-version: A typed billing rule must declare semantic major 1 for the BillingRuleClass CodeSystem. (extension.where(url = 'ruleClass').value.ofType(Coding).version = '1')
                  2. Extension.extension
                  Control3..?
                  4. Extension.extension:ruleId
                  Slice NameruleId
                  Control1..1
                  6. Extension.extension:ruleId.extension
                  Control0..0
                  8. Extension.extension:ruleId.url
                  Fixed ValueruleId
                  10. Extension.extension:ruleId.value[x]
                  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
                  12. Extension.extension:ruleClass
                  Slice NameruleClass
                  Control1..1
                  14. Extension.extension:ruleClass.extension
                  Control0..0
                  16. Extension.extension:ruleClass.url
                  Fixed ValueruleClass
                  18. Extension.extension:ruleClass.value[x]
                  TypeCoding
                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                  20. Extension.extension:ruleClass.value[x].system
                  Fixed Valuehttps://fhir.cognovis.de/praxis/CodeSystem/billing-rule-class
                  22. Extension.extension:ruleClass.value[x].version
                  NoteThis is a business version Id, not a resource version Id (see discussion)
                  Control1..?
                  Fixed Value1
                  24. Extension.extension:ruleClass.value[x].code
                  Fixed Valuepatient-attribute-constraint
                  26. Extension.extension:effect
                  Slice Nameeffect
                  Control1..1
                  28. Extension.extension:effect.extension
                  Control0..0
                  30. Extension.extension:effect.url
                  Fixed Valueeffect
                  32. Extension.extension:effect.value[x]
                  BindingThe codes SHALL be taken from Billing Rule Effect
                  (required to https://fhir.cognovis.de/praxis/ValueSet/billing-rule-effect-vs)
                  TypeCoding
                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                  34. Extension.extension:minimumAge
                  Slice NameminimumAge
                  Control0..1
                  36. Extension.extension:minimumAge.extension
                  Control0..0
                  38. Extension.extension:minimumAge.url
                  Fixed ValueminimumAge
                  40. Extension.extension:minimumAge.value[x]
                  Typeinteger
                  [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
                  42. Extension.extension:maximumAge
                  Slice NamemaximumAge
                  Control0..1
                  44. Extension.extension:maximumAge.extension
                  Control0..0
                  46. Extension.extension:maximumAge.url
                  Fixed ValuemaximumAge
                  48. Extension.extension:maximumAge.value[x]
                  Typeinteger
                  [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
                  50. Extension.extension:gender
                  Slice Namegender
                  Control0..*
                  52. Extension.extension:gender.extension
                  Control0..0
                  54. Extension.extension:gender.url
                  Fixed Valuegender
                  56. Extension.extension:gender.value[x]
                  BindingThe codes SHALL be taken from AdministrativeGender
                  (required to http://hl7.org/fhir/ValueSet/administrative-gender)
                  Typecode
                  [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
                  58. Extension.extension:status
                  Slice Namestatus
                  Control0..*
                  60. Extension.extension:status.extension
                  Control0..0
                  62. Extension.extension:status.url
                  Fixed Valuestatus
                  64. Extension.extension:status.value[x]
                  TypeCoding
                  [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                  66. Extension.url
                  Fixed Valuehttps://fhir.cognovis.de/praxis/StructureDefinition/billing-patient-attribute-rule
                  68. Extension.value[x]
                  Control0..0

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

                  0. Extension
                  Definition

                  Typed declarative patient-attribute billing rule. As a modifier extension it must be understood before billability is asserted.

                  ShortBilling Patient Attribute Rule
                  Control0..*
                  This element is affected by the following invariants: ele-1
                  Is Modifiertrue because The rule can change whether the containing billing item is applicable.
                  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())
                  billing-patient-attribute-has-parameter: A patient-attribute rule must declare at least one typed patient attribute parameter. (extension.where(url = 'minimumAge' or url = 'maximumAge' or url = 'gender' or url = 'status').exists())
                  billing-rule-class-semantic-version: A typed billing rule must declare semantic major 1 for the BillingRuleClass CodeSystem. (extension.where(url = 'ruleClass').value.ofType(Coding).version = '1')
                  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
                  Control3..*
                  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. The slices areUnordered and Open, and can be differentiated using the following discriminators:
                  • value @ url
                  • 6. Extension.extension:ruleId
                    Slice NameruleId
                    Definition

                    An Extension

                    ShortExtension
                    Control1..1
                    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())
                    8. Extension.extension:ruleId.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:ruleId.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:ruleId.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
                      Is Modifierfalse
                      XML FormatIn the XML format, this property is represented as an attribute.
                      Summaryfalse
                      Fixed ValueruleId
                      14. Extension.extension:ruleId.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..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
                      Summaryfalse
                      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                      16. Extension.extension:ruleClass
                      Slice NameruleClass
                      Definition

                      An Extension

                      ShortExtension
                      Control1..1
                      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())
                      18. Extension.extension:ruleClass.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
                      20. Extension.extension:ruleClass.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
                      • 22. Extension.extension:ruleClass.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
                        Is Modifierfalse
                        XML FormatIn the XML format, this property is represented as an attribute.
                        Summaryfalse
                        Fixed ValueruleClass
                        24. Extension.extension:ruleClass.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..1
                        TypeCoding
                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                        Is Modifierfalse
                        Summaryfalse
                        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                        26. Extension.extension:ruleClass.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
                        28. Extension.extension:ruleClass.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
                        • 30. Extension.extension:ruleClass.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
                          Summarytrue
                          Requirements

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

                          Fixed Valuehttps://fhir.cognovis.de/praxis/CodeSystem/billing-rule-class
                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          32. Extension.extension:ruleClass.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)
                          Control1..1
                          Typestring
                          Is Modifierfalse
                          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                          Summarytrue
                          Fixed Value1
                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          34. Extension.extension:ruleClass.value[x].code
                          Definition

                          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).

                          ShortSymbol 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
                          Summarytrue
                          Requirements

                          Need to refer to a particular code in the system.

                          Fixed Valuepatient-attribute-constraint
                          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                          36. Extension.extension:ruleClass.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
                          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()))
                          38. Extension.extension:ruleClass.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()))
                          40. Extension.extension:effect
                          Slice Nameeffect
                          Definition

                          An Extension

                          ShortExtension
                          Control1..1
                          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())
                          42. Extension.extension:effect.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
                          44. Extension.extension:effect.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
                          • 46. Extension.extension:effect.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
                            Is Modifierfalse
                            XML FormatIn the XML format, this property is represented as an attribute.
                            Summaryfalse
                            Fixed Valueeffect
                            48. Extension.extension:effect.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..1
                            BindingThe codes SHALL be taken from Billing Rule Effect
                            (required to https://fhir.cognovis.de/praxis/ValueSet/billing-rule-effect-vs)
                            TypeCoding
                            [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                            Is Modifierfalse
                            Summaryfalse
                            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                            50. Extension.extension:minimumAge
                            Slice NameminimumAge
                            Definition

                            An Extension

                            ShortExtension
                            Control0..1
                            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())
                            52. Extension.extension:minimumAge.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
                            54. Extension.extension:minimumAge.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
                            • 56. Extension.extension:minimumAge.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
                              Is Modifierfalse
                              XML FormatIn the XML format, this property is represented as an attribute.
                              Summaryfalse
                              Fixed ValueminimumAge
                              58. Extension.extension:minimumAge.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..1
                              Typeinteger
                              [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
                              Summaryfalse
                              Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                              60. Extension.extension:maximumAge
                              Slice NamemaximumAge
                              Definition

                              An Extension

                              ShortExtension
                              Control0..1
                              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())
                              62. Extension.extension:maximumAge.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
                              64. Extension.extension:maximumAge.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
                              • 66. Extension.extension:maximumAge.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
                                Is Modifierfalse
                                XML FormatIn the XML format, this property is represented as an attribute.
                                Summaryfalse
                                Fixed ValuemaximumAge
                                68. Extension.extension:maximumAge.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..1
                                Typeinteger
                                [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
                                Summaryfalse
                                Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                70. Extension.extension:gender
                                Slice Namegender
                                Definition

                                An Extension

                                ShortExtension
                                Control0..*
                                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())
                                72. Extension.extension:gender.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
                                74. Extension.extension:gender.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
                                • 76. Extension.extension:gender.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
                                  Is Modifierfalse
                                  XML FormatIn the XML format, this property is represented as an attribute.
                                  Summaryfalse
                                  Fixed Valuegender
                                  78. Extension.extension:gender.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..1
                                  BindingThe codes SHALL be taken from AdministrativeGender
                                  (required to http://hl7.org/fhir/ValueSet/administrative-gender)
                                  Typecode
                                  [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
                                  Summaryfalse
                                  Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                  80. Extension.extension:status
                                  Slice Namestatus
                                  Definition

                                  An Extension

                                  ShortExtension
                                  Control0..*
                                  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())
                                  82. Extension.extension:status.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
                                  84. Extension.extension:status.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
                                  • 86. Extension.extension:status.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
                                    Is Modifierfalse
                                    XML FormatIn the XML format, this property is represented as an attribute.
                                    Summaryfalse
                                    Fixed Valuestatus
                                    88. Extension.extension:status.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..1
                                    TypeCoding
                                    [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                    Is Modifierfalse
                                    Summaryfalse
                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
                                    90. 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
                                    Is Modifierfalse
                                    XML FormatIn the XML format, this property is represented as an attribute.
                                    Summaryfalse
                                    Fixed Valuehttps://fhir.cognovis.de/praxis/StructureDefinition/billing-patient-attribute-rule
                                    92. 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
                                    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
                                    Summaryfalse
                                    Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))