CH Core (R4)
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CH Core (R4), published by HL7 Switzerland. This guide is not an authorized publication; it is the continuous build for version 7.0.0-ballot-ci-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7ch/ch-core/ and changes regularly. See the Directory of published versions

Data Type Profile: CHCoreAddressEch11PlaceOfBirth - Detailed Descriptions

Active as of 2026-03-12

Definitions for the ch-core-address-ech-11-placeofbirth data type profile.

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

0. Address
Definition

An address expressed using postal conventions (as opposed to GPS or other location definition formats). This data type may be used to convey addresses for use in delivering mail as well as for visiting locations which might not be valid for mail delivery. There are a variety of postal address formats defined around the world.

ShortAn address expressed using postal conventions (as opposed to GPS or other location definition formats)
Comments

Note: address is intended to describe postal addresses for administrative purposes, not to describe absolute geographical coordinates. Postal addresses are often used as proxies for physical locations (also see the Location resource).


Note: address is intended to describe postal addresses for administrative purposes, not to describe absolute geographical coordinates. Postal addresses are often used as proxies for physical locations (also see the Location resource).

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()))
ch-addr-2: For a Swiss address, a canton abbreviation from the value set 'eCH-0007 Canton Abbreviation' must be used. (country.extension.where(url = 'http://hl7.org/fhir/StructureDefinition/iso21090-codedString').empty() or (country.extension.where(url = 'http://hl7.org/fhir/StructureDefinition/iso21090-codedString').value.code.startsWith('CH') = false) or (country.extension.where(url = 'http://hl7.org/fhir/StructureDefinition/iso21090-codedString').value.code.startsWith('CH').exists() and (state.empty() or state.memberOf('http://fhir.ch/ig/ch-core/ValueSet/ech-7-cantonabbreviation'))))
2. Address.use
Definition

The purpose of this address.

Shorthome | work | temp | old | billing - purpose of this address
Comments

Applications can assume that an address is current unless it explicitly says that it is temporary or old.

Control0..01
BindingThe codes SHALL be taken from AddressUsehttp://hl7.org/fhir/ValueSet/address-use|4.0.1
(required to http://hl7.org/fhir/ValueSet/address-use|4.0.1)

The use of an address.

Typecode
Is Modifiertrue because This is labeled as "Is Modifier" because applications should not mistake a temporary or old address etc.for a current/permanent one
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Summarytrue
Requirements

Allows an appropriate address to be chosen from a list of many.

ExampleGeneral: home
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
4. Address.type
Definition

Distinguishes between physical addresses (those you can visit) and mailing addresses (e.g. PO Boxes and care-of addresses). Most addresses are both.

Shortpostal | physical | both
Comments

The definition of Address states that "address is intended to describe postal addresses, not physical locations". However, many applications track whether an address has a dual purpose of being a location that can be visited as well as being a valid delivery destination, and Postal addresses are often used as proxies for physical locations (also see the Location resource).


The definition of Address states that "address is intended to describe postal addresses, not physical locations". However, many applications track whether an address has a dual purpose of being a location that can be visited as well as being a valid delivery destination, and Postal addresses are often used as proxies for physical locations (also see the Location resource).

Control0..01
BindingThe codes SHALL be taken from AddressTypehttp://hl7.org/fhir/ValueSet/address-type|4.0.1
(required to http://hl7.org/fhir/ValueSet/address-type|4.0.1)

The type of an address (physical / postal).

Typecode
Is Modifierfalse
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Summarytrue
ExampleGeneral: both
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
6. Address.text
Definition

Specifies the entire address as it should be displayed e.g. on a postal label. This may be provided instead of or as well as the specific parts.

ShortText representation of the address
Comments

Can provide both a text representation and parts. Applications updating an address SHALL ensure that when both text and parts are present, no content is included in the text that isn't found in a part.

Control0..01
Typestring
Is Modifierfalse
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Summarytrue
Requirements

A renderable, unencoded form.

ExampleGeneral: 137 Nowhere Street, Erewhon 9132
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
8. Address.line
Definition

This component contains the house number, apartment number, street name, street direction, P.O. Box number, delivery hints, and similar address information.

ShortStreet name, number, direction & P.O. Box etc.
Control0..0*
Typestring
Is Modifierfalse
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Summarytrue
ExampleGeneral: 137 Nowhere Street
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
34. Address.city
Definition

optional if country is not Switzerland


The name of the city, town, suburb, village or other community or delivery center.

ShortPlace of Birth (municipality)Name of city, town etc.
Control0..1
Typestring
Is Modifierfalse
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Summarytrue
Alternate NamesMunicpality
ExampleGeneral: Erewhon
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
36. Address.city.extension:bfs
Slice Namebfs
Definition

Extension for eCH-0011 - bfs number (ministry of statistics number)

ShortExtension
Control0..1
This element is affected by the following invariants: ele-1
TypeExtension(eCH-0007 Municipality Id – BFS Gemeindenummer) (Extension Type: string)
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())
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
38. Address.district
Definition

The name of the administrative area (county).

ShortDistrict name (aka county)
Comments

District is sometimes known as county, but in some regions 'county' is used in place of city (municipality), so county name should be conveyed in city instead.

Control0..01
Typestring
Is Modifierfalse
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Summarytrue
Alternate NamesCounty
ExampleGeneral: Madison
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
40. Address.state
Definition

Canton 2 letter abbreviation


Sub-unit of a country with limited sovereignty in a federally organized country. A code may be used if codes are in common use (e.g. US 2 letter state codes).

ShortCantonSub-unit of country (abbreviations ok)
Control0..1
BindingFor example codes, see For codes, see eCH-0007 Canton Abbreviation
(example to http://fhir.ch/ig/ch-core/ValueSet/ech-7-cantonabbreviation)

Use these values for a Swiss or Liechtenstein address

Typestring
Is Modifierfalse
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Summarytrue
Alternate NamesProvince, Territory
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
42. Address.postalCode
Definition

A postal code designating a region defined by the postal service.

ShortPostal code for area
Control0..01
Typestring
Is Modifierfalse
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Summarytrue
Alternate NamesZip
ExampleGeneral: 9132
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
44. Address.country
Definition

Country if place of Birth is not Switzerland


Country - a nation as commonly understood or generally accepted.

ShortCountry if place of Birth is not SwitzerlandCountry (e.g. can be ISO 3166 2 or 3 letter code)
Comments

ISO 3166 3 letter codes can be used in place of a human readable country name.

Control0..1
BindingThe codes SHOULD be taken from For codes, see BFS Verzeichnis der Staaten und Gebiete
(preferred to http://fhir.ch/ig/ch-term/ValueSet/bfs-country-codes)
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()))
46. Address.country.extension:countrycode
Slice Namecountrycode
Definition

BFS defines the valid set of countries. Values are from the 'ISO 3166-1 country codes' code system.

ShortISO Country Alpha-2 or ISO Country Alpha-3 code
Control0..1
This element is affected by the following invariants: ele-1
TypeExtension(Coded string) (Extension Type: Coding)
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())
ch-addr-1: ISO Country Alpha-2 or ISO Country Alpha-3 code (((value.code.length()=2) and value.code.memberOf('http://hl7.org/fhir/ValueSet/iso3166-1-2')) or ((value.code.length() = 3) and value.code.memberOf('http://hl7.org/fhir/ValueSet/iso3166-1-3')))
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
48. Address.country.extension:countrycode.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 Address.country.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
  • value @ url
  • 50. Address.country.extension:countrycode.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 Valuehttp://hl7.org/fhir/StructureDefinition/iso21090-codedString
    52. Address.country.extension:countrycode.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
    Control10..1
    BindingUnless not suitable, these codes SHALL be taken from For codes, see BFS Verzeichnis der Staaten und Gebiete
    (extensible to http://fhir.ch/ig/ch-term/ValueSet/bfs-country-codes)
    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()))
    54. Address.period
    Definition

    Time period when address was/is in use.

    ShortTime period when address was/is in use
    Control0..01
    TypePeriod
    Is Modifierfalse
    Summarytrue
    Requirements

    Allows addresses to be placed in historical context.

    ExampleGeneral: { "start" : "2010-03-23", "end" : "2010-07-01" }
    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. Address
    2. Address.use
    Control0..0
    4. Address.type
    Control0..0
    6. Address.text
    Control0..0
    8. Address.line
    Control0..0
    10. Address.city
    Definition

    optional if country is not Switzerland

    ShortPlace of Birth (municipality)
    12. Address.city.extension:bfs
    Slice Namebfs
    14. Address.district
    Control0..0
    16. Address.state
    Definition

    Canton 2 letter abbreviation

    ShortCanton
    18. Address.postalCode
    Control0..0
    20. Address.country
    Definition

    Country if place of Birth is not Switzerland

    ShortCountry if place of Birth is not Switzerland
    22. Address.period
    Control0..0

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

    0. Address
    Definition

    An address expressed using postal conventions (as opposed to GPS or other location definition formats). This data type may be used to convey addresses for use in delivering mail as well as for visiting locations which might not be valid for mail delivery. There are a variety of postal address formats defined around the world.

    ShortAn address expressed using postal conventions (as opposed to GPS or other location definition formats)
    Comments

    Note: address is intended to describe postal addresses for administrative purposes, not to describe absolute geographical coordinates. Postal addresses are often used as proxies for physical locations (also see the Location resource).

    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()))
    ch-addr-2: For a Swiss address, a canton abbreviation from the value set 'eCH-0007 Canton Abbreviation' must be used. (country.extension.where(url = 'http://hl7.org/fhir/StructureDefinition/iso21090-codedString').empty() or (country.extension.where(url = 'http://hl7.org/fhir/StructureDefinition/iso21090-codedString').value.code.startsWith('CH') = false) or (country.extension.where(url = 'http://hl7.org/fhir/StructureDefinition/iso21090-codedString').value.code.startsWith('CH').exists() and (state.empty() or state.memberOf('http://fhir.ch/ig/ch-core/ValueSet/ech-7-cantonabbreviation'))))
    2. Address.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. Address.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 Address.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
    • value @ url
    • 6. Address.use
      Definition

      The purpose of this address.

      Shorthome | work | temp | old | billing - purpose of this address
      Comments

      Applications can assume that an address is current unless it explicitly says that it is temporary or old.

      Control0..0
      BindingThe codes SHALL be taken from AddressUse
      (required to http://hl7.org/fhir/ValueSet/address-use|4.0.1)

      The use of an address.

      Typecode
      Is Modifiertrue because This is labeled as "Is Modifier" because applications should not mistake a temporary or old address etc.for a current/permanent one
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      Allows an appropriate address to be chosen from a list of many.

      ExampleGeneral: home
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      8. Address.type
      Definition

      Distinguishes between physical addresses (those you can visit) and mailing addresses (e.g. PO Boxes and care-of addresses). Most addresses are both.

      Shortpostal | physical | both
      Comments

      The definition of Address states that "address is intended to describe postal addresses, not physical locations". However, many applications track whether an address has a dual purpose of being a location that can be visited as well as being a valid delivery destination, and Postal addresses are often used as proxies for physical locations (also see the Location resource).

      Control0..0
      BindingThe codes SHALL be taken from AddressType
      (required to http://hl7.org/fhir/ValueSet/address-type|4.0.1)

      The type of an address (physical / postal).

      Typecode
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      ExampleGeneral: both
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      10. Address.text
      Definition

      Specifies the entire address as it should be displayed e.g. on a postal label. This may be provided instead of or as well as the specific parts.

      ShortText representation of the address
      Comments

      Can provide both a text representation and parts. Applications updating an address SHALL ensure that when both text and parts are present, no content is included in the text that isn't found in a part.

      Control0..0
      Typestring
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Requirements

      A renderable, unencoded form.

      ExampleGeneral: 137 Nowhere Street, Erewhon 9132
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      12. Address.line
      Definition

      This component contains the house number, apartment number, street name, street direction, P.O. Box number, delivery hints, and similar address information.

      ShortStreet name, number, direction & P.O. Box etc.
      Control0..0
      Typestring
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      ExampleGeneral: 137 Nowhere Street
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      45. Address.city
      Definition

      optional if country is not Switzerland

      ShortPlace of Birth (municipality)
      Control0..1
      Typestring
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Summarytrue
      Alternate NamesMunicpality
      ExampleGeneral: Erewhon
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      47. Address.city.id
      Definition

      unique id for the element within a resource (for internal references)

      Shortxml:id (or equivalent in JSON)
      Control0..1
      Typestring
      Is Modifierfalse
      XML FormatIn the XML format, this property is represented as an attribute.
      Summaryfalse
      49. Address.city.extension
      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())
      SlicingThis element introduces a set of slices on Address.city.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
      • value @ url
      • 51. Address.city.extension:bfs
        Slice Namebfs
        Definition

        Extension for eCH-0011 - bfs number (ministry of statistics number)

        ShortExtension
        Control0..1
        This element is affected by the following invariants: ele-1
        TypeExtension(eCH-0007 Municipality Id – BFS Gemeindenummer) (Extension Type: string)
        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())
        53. Address.city.value
        Definition

        The actual value

        ShortPrimitive value for string
        Control0..1
        Typestring
        Is Modifierfalse
        XML FormatIn the XML format, this property is represented as an attribute.
        Summaryfalse
        Max Length:1048576
        55. Address.district
        Definition

        The name of the administrative area (county).

        ShortDistrict name (aka county)
        Comments

        District is sometimes known as county, but in some regions 'county' is used in place of city (municipality), so county name should be conveyed in city instead.

        Control0..0
        Typestring
        Is Modifierfalse
        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
        Summarytrue
        Alternate NamesCounty
        ExampleGeneral: Madison
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        57. Address.state
        Definition

        Canton 2 letter abbreviation

        ShortCanton
        Control0..1
        BindingFor example codes, see eCH-0007 Canton Abbreviation
        (example to http://fhir.ch/ig/ch-core/ValueSet/ech-7-cantonabbreviation)

        Use these values for a Swiss or Liechtenstein address

        Typestring
        Is Modifierfalse
        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
        Summarytrue
        Alternate NamesProvince, Territory
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        59. Address.postalCode
        Definition

        A postal code designating a region defined by the postal service.

        ShortPostal code for area
        Control0..0
        Typestring
        Is Modifierfalse
        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
        Summarytrue
        Alternate NamesZip
        ExampleGeneral: 9132
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        61. Address.country
        Definition

        Country if place of Birth is not Switzerland

        ShortCountry if place of Birth is not Switzerland
        Comments

        ISO 3166 3 letter codes can be used in place of a human readable country name.

        Control0..1
        BindingThe codes SHOULD be taken from BFS Verzeichnis der Staaten und Gebiete
        (preferred to http://fhir.ch/ig/ch-term/ValueSet/bfs-country-codes)
        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()))
        63. Address.country.id
        Definition

        unique id for the element within a resource (for internal references)

        Shortxml:id (or equivalent in JSON)
        Control0..1
        Typestring
        Is Modifierfalse
        XML FormatIn the XML format, this property is represented as an attribute.
        Summaryfalse
        65. Address.country.extension
        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())
        SlicingThis element introduces a set of slices on Address.country.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
        • value @ url
        • 67. Address.country.extension:countrycode
          Slice Namecountrycode
          Definition

          BFS defines the valid set of countries. Values are from the 'ISO 3166-1 country codes' code system.

          ShortISO Country Alpha-2 or ISO Country Alpha-3 code
          Control0..1
          This element is affected by the following invariants: ele-1
          TypeExtension(Coded string) (Extension Type: Coding)
          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())
          ch-addr-1: ISO Country Alpha-2 or ISO Country Alpha-3 code (((value.code.length()=2) and value.code.memberOf('http://hl7.org/fhir/ValueSet/iso3166-1-2')) or ((value.code.length() = 3) and value.code.memberOf('http://hl7.org/fhir/ValueSet/iso3166-1-3')))
          69. Address.country.extension:countrycode.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
          71. Address.country.extension:countrycode.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 Address.country.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
          • value @ url
          • 73. Address.country.extension:countrycode.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 Valuehttp://hl7.org/fhir/StructureDefinition/iso21090-codedString
            75. Address.country.extension:countrycode.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
            Control1..1
            BindingUnless not suitable, these codes SHALL be taken from BFS Verzeichnis der Staaten und Gebiete
            (extensible to http://fhir.ch/ig/ch-term/ValueSet/bfs-country-codes)
            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()))
            77. Address.country.value
            Definition

            The actual value

            ShortPrimitive value for string
            Control0..1
            Typestring
            Is Modifierfalse
            XML FormatIn the XML format, this property is represented as an attribute.
            Summaryfalse
            Max Length:1048576
            79. Address.period
            Definition

            Time period when address was/is in use.

            ShortTime period when address was/is in use
            Control0..0
            TypePeriod
            Is Modifierfalse
            Summarytrue
            Requirements

            Allows addresses to be placed in historical context.

            ExampleGeneral: { "start" : "2010-03-23", "end" : "2010-07-01" }
            Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))