FHIR IG Statistics: StructureDefinition/us-ph-address-extension
| Package | hl7.fhir.us.ecr |
| Type | StructureDefinition |
| Id | us-ph-address-extension |
| FHIR Version | R4 |
| Source | http://hl7.org/fhir/us/ecr/https://build.fhir.org/ig/HL7/case-reporting/StructureDefinition-us-ph-address-extension.html |
| URL | http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-address-extension |
| Version | 2.1.2 |
| Status | active |
| Date | 2025-03-24T02:05:40+00:00 |
| Name | USPublicHealthAddressExtension |
| Title | US Public Health Address Extension |
| Realm | us |
| Authority | hl7 |
| Description | This Extension profile represents where the patient traveled to or visited as an address e.g.: country, state, city, street address (if applicable).
At the least, address must contain the country. State is required if the country is US. If country is something other than US, the state **MAY** be present but **MAY** be bound to different vocabularies. |
| Type | Extension |
| Kind | complex-type |
Resources that use this resource
Resources that this resource uses
Narrative
Note: links and images are rebased to the (stated) source
Source
{
"resourceType": "StructureDefinition",
"id": "us-ph-address-extension",
"text": {
"status": "extensions",
"div": "<!-- snip (see above) -->"
},
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode": "pher"
}
],
"url": "http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-address-extension",
"identifier": [
{
"system": "urn:ietf:rfc:3986",
"value": "urn:oid:2.16.840.1.113883.4.642.40.46.42.30"
}
],
"version": "2.1.2",
"name": "USPublicHealthAddressExtension",
"title": "US Public Health Address Extension",
"status": "active",
"experimental": false,
"date": "2025-03-24T02:05:40+00:00",
"publisher": "HL7 International / Public Health",
"contact": [
{
"name": "HL7 International / Public Health",
"telecom": [
{
"system": "url",
"value": "http://www.hl7.org/Special/committees/pher"
}
]
}
],
"description": "This Extension profile represents where the patient traveled to or visited as an address e.g.: country, state, city, street address (if applicable).\n\nAt the least, address must contain the country. State is required if the country is US. If country is something other than US, the state **MAY** be present but **MAY** be bound to different vocabularies.",
"jurisdiction": [
{
"coding": [
{
"system": "urn:iso:std:iso:3166",
"code": "US",
"display": "United States of America"
}
],
"text": "United States of America"
}
],
"fhirVersion": "4.0.1",
"mapping": [
{
"identity": "rim",
"uri": "http://hl7.org/v3",
"name": "RIM Mapping"
}
],
"kind": "complex-type",
"abstract": false,
"context": [
{
"type": "element",
"expression": "Observation.component"
},
{
"type": "element",
"expression": "Observation"
}
],
"type": "Extension",
"baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
"derivation": "constraint",
"snapshot": {
"extension": [
{
"url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
"valueString": "4.0.1"
}
],
"element": [
{
"id": "Extension",
"path": "Extension",
"short": "US Public Health Address Extension",
"definition": "Where the patient traveled to or visited as an address e.g. country, city, street address if applicable. At least, address must contain the country.",
"min": 0,
"max": "1",
"base": {
"path": "Extension",
"min": 0,
"max": "*"
},
"condition": [
"ele-1"
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier": false
},
{
"id": "Extension.id",
"path": "Extension.id",
"representation": [
"xmlAttr"
],
"short": "Unique id for inter-element referencing",
"definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"min": 0,
"max": "1",
"base": {
"path": "Element.id",
"min": 0,
"max": "1"
},
"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "string"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.extension",
"path": "Extension.extension",
"slicing": {
"discriminator": [
{
"type": "value",
"path": "url"
}
],
"description": "Extensions are always sliced by (at least) url",
"rules": "open"
},
"short": "Additional content defined by implementations",
"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.",
"comment": "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.",
"alias": [
"extensions",
"user content"
],
"min": 0,
"max": "*",
"base": {
"path": "Element.extension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.url",
"path": "Extension.url",
"representation": [
"xmlAttr"
],
"short": "identifies the meaning of the extension",
"definition": "Source of the definition for the extension code - a logical name or a URL.",
"comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
"min": 1,
"max": "1",
"base": {
"path": "Extension.url",
"min": 1,
"max": "1"
},
"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "uri"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"fixedUri": "http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-address-extension",
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.value[x]",
"path": "Extension.value[x]",
"short": "Value of extension",
"definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
"min": 0,
"max": "1",
"base": {
"path": "Extension.value[x]",
"min": 0,
"max": "1"
},
"type": [
{
"code": "Address"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"mustSupport": true,
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"id": "Extension.value[x].id",
"path": "Extension.value[x].id",
"representation": [
"xmlAttr"
],
"short": "Unique id for inter-element referencing",
"definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"min": 0,
"max": "1",
"base": {
"path": "Element.id",
"min": 0,
"max": "1"
},
"type": [
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl": "string"
}
],
"code": "http://hl7.org/fhirpath/System.String"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.value[x].extension",
"path": "Extension.value[x].extension",
"slicing": {
"discriminator": [
{
"type": "value",
"path": "url"
}
],
"description": "Extensions are always sliced by (at least) url",
"rules": "open"
},
"short": "Additional content defined by implementations",
"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.",
"comment": "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.",
"alias": [
"extensions",
"user content"
],
"min": 0,
"max": "*",
"base": {
"path": "Element.extension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key": "ext-1",
"severity": "error",
"human": "Must have either extensions or value[x], not both",
"expression": "extension.exists() != value.exists()",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier": false,
"isSummary": false,
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"id": "Extension.value[x].use",
"path": "Extension.value[x].use",
"short": "home | work | temp | old | billing - purpose of this address",
"definition": "The purpose of this address.",
"comment": "Applications can assume that an address is current unless it explicitly says that it is temporary or old.",
"requirements": "Allows an appropriate address to be chosen from a list of many.",
"min": 0,
"max": "1",
"base": {
"path": "Address.use",
"min": 0,
"max": "1"
},
"type": [
{
"code": "code"
}
],
"example": [
{
"label": "General",
"valueCode": "home"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"mustSupport": true,
"isModifier": true,
"isModifierReason": "This is labeled as \"Is Modifier\" because applications should not mistake a temporary or old address etc.for a current/permanent one",
"isSummary": true,
"binding": {
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
"valueString": "AddressUse"
}
],
"strength": "required",
"description": "The use of an address.",
"valueSet": "http://hl7.org/fhir/ValueSet/address-use|4.0.1"
},
"mapping": [
{
"identity": "v2",
"map": "XAD.7"
},
{
"identity": "rim",
"map": "unique(./use)"
},
{
"identity": "servd",
"map": "./AddressPurpose"
}
]
},
{
"id": "Extension.value[x].type",
"path": "Extension.value[x].type",
"short": "postal | physical | both",
"definition": "Distinguishes between physical addresses (those you can visit) and mailing addresses (e.g. PO Boxes and care-of addresses). Most addresses are both.",
"comment": "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](http://hl7.org/fhir/R4/location.html#) resource).",
"min": 0,
"max": "1",
"base": {
"path": "Address.type",
"min": 0,
"max": "1"
},
"type": [
{
"code": "code"
}
],
"example": [
{
"label": "General",
"valueCode": "both"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"mustSupport": true,
"isModifier": false,
"isSummary": true,
"binding": {
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
"valueString": "AddressType"
}
],
"strength": "required",
"description": "The type of an address (physical / postal).",
"valueSet": "http://hl7.org/fhir/ValueSet/address-type|4.0.1"
},
"mapping": [
{
"identity": "v2",
"map": "XAD.18"
},
{
"identity": "rim",
"map": "unique(./use)"
},
{
"identity": "vcard",
"map": "address type parameter"
}
]
},
{
"id": "Extension.value[x].text",
"path": "Extension.value[x].text",
"short": "Text representation of the address",
"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.",
"comment": "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.",
"requirements": "A renderable, unencoded form.",
"min": 0,
"max": "1",
"base": {
"path": "Address.text",
"min": 0,
"max": "1"
},
"type": [
{
"code": "string"
}
],
"example": [
{
"label": "General",
"valueString": "137 Nowhere Street, Erewhon 9132"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": true,
"mapping": [
{
"identity": "v2",
"map": "XAD.1 + XAD.2 + XAD.3 + XAD.4 + XAD.5 + XAD.6"
},
{
"identity": "rim",
"map": "./formatted"
},
{
"identity": "vcard",
"map": "address label parameter"
}
]
},
{
"id": "Extension.value[x].line",
"path": "Extension.value[x].line",
"short": "Street name, number, direction & P.O. Box etc.",
"definition": "This component contains the house number, apartment number, street name, street direction, P.O. Box number, delivery hints, and similar address information.",
"min": 0,
"max": "*",
"base": {
"path": "Address.line",
"min": 0,
"max": "*"
},
"type": [
{
"code": "string"
}
],
"orderMeaning": "The order in which lines should appear in an address label",
"example": [
{
"label": "General",
"valueString": "137 Nowhere Street"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"mustSupport": true,
"isModifier": false,
"isSummary": true,
"mapping": [
{
"identity": "v2",
"map": "XAD.1 + XAD.2 (note: XAD.1 and XAD.2 have different meanings for a company address than for a person address)"
},
{
"identity": "rim",
"map": "AD.part[parttype = AL]"
},
{
"identity": "vcard",
"map": "street"
},
{
"identity": "servd",
"map": "./StreetAddress (newline delimitted)"
}
]
},
{
"id": "Extension.value[x].city",
"path": "Extension.value[x].city",
"short": "Name of city, town etc.",
"definition": "The name of the city, town, suburb, village or other community or delivery center.",
"alias": [
"Municpality"
],
"min": 0,
"max": "1",
"base": {
"path": "Address.city",
"min": 0,
"max": "1"
},
"type": [
{
"code": "string"
}
],
"example": [
{
"label": "General",
"valueString": "Erewhon"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"mustSupport": true,
"isModifier": false,
"isSummary": true,
"mapping": [
{
"identity": "v2",
"map": "XAD.3"
},
{
"identity": "rim",
"map": "AD.part[parttype = CTY]"
},
{
"identity": "vcard",
"map": "locality"
},
{
"identity": "servd",
"map": "./Jurisdiction"
}
]
},
{
"id": "Extension.value[x].district",
"path": "Extension.value[x].district",
"short": "District name (aka county)",
"definition": "The name of the administrative area (county).",
"comment": "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.",
"alias": [
"County"
],
"min": 0,
"max": "1",
"base": {
"path": "Address.district",
"min": 0,
"max": "1"
},
"type": [
{
"code": "string"
}
],
"example": [
{
"label": "General",
"valueString": "Madison"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"mustSupport": true,
"isModifier": false,
"isSummary": true,
"mapping": [
{
"identity": "v2",
"map": "XAD.9"
},
{
"identity": "rim",
"map": "AD.part[parttype = CNT | CPA]"
}
]
},
{
"id": "Extension.value[x].state",
"path": "Extension.value[x].state",
"short": "Sub-unit of country (abbreviations ok)",
"definition": "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).",
"alias": [
"Province",
"Territory"
],
"min": 0,
"max": "1",
"base": {
"path": "Address.state",
"min": 0,
"max": "1"
},
"type": [
{
"code": "string"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"mustSupport": true,
"isModifier": false,
"isSummary": true,
"binding": {
"strength": "preferred",
"description": "USPS Two Letter Alphabetic Codes",
"valueSet": "http://hl7.org/fhir/us/core/ValueSet/us-core-usps-state"
},
"mapping": [
{
"identity": "v2",
"map": "XAD.4"
},
{
"identity": "rim",
"map": "AD.part[parttype = STA]"
},
{
"identity": "vcard",
"map": "region"
},
{
"identity": "servd",
"map": "./Region"
}
]
},
{
"id": "Extension.value[x].postalCode",
"path": "Extension.value[x].postalCode",
"short": "Postal code for area",
"definition": "A postal code designating a region defined by the postal service.",
"alias": [
"Zip"
],
"min": 0,
"max": "1",
"base": {
"path": "Address.postalCode",
"min": 0,
"max": "1"
},
"type": [
{
"code": "string"
}
],
"example": [
{
"label": "General",
"valueString": "9132"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"mustSupport": true,
"isModifier": false,
"isSummary": true,
"mapping": [
{
"identity": "v2",
"map": "XAD.5"
},
{
"identity": "rim",
"map": "AD.part[parttype = ZIP]"
},
{
"identity": "vcard",
"map": "code"
},
{
"identity": "servd",
"map": "./PostalIdentificationCode"
}
]
},
{
"id": "Extension.value[x].country",
"path": "Extension.value[x].country",
"short": "Country (e.g. can be ISO 3166 2 or 3 letter code)",
"definition": "Country - a nation as commonly understood or generally accepted.",
"comment": "ISO 3166 3 letter codes can be used in place of a human readable country name.",
"min": 1,
"max": "1",
"base": {
"path": "Address.country",
"min": 0,
"max": "1"
},
"type": [
{
"code": "string"
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"mustSupport": true,
"isModifier": false,
"isSummary": true,
"mapping": [
{
"identity": "v2",
"map": "XAD.6"
},
{
"identity": "rim",
"map": "AD.part[parttype = CNT]"
},
{
"identity": "vcard",
"map": "country"
},
{
"identity": "servd",
"map": "./Country"
}
]
},
{
"id": "Extension.value[x].period",
"path": "Extension.value[x].period",
"short": "Time period when address was/is in use",
"definition": "Time period when address was/is in use.",
"requirements": "Allows addresses to be placed in historical context.",
"min": 0,
"max": "1",
"base": {
"path": "Address.period",
"min": 0,
"max": "1"
},
"type": [
{
"code": "Period"
}
],
"example": [
{
"label": "General",
"valuePeriod": {
"start": "2010-03-23",
"end": "2010-07-01"
}
}
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() or (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier": false,
"isSummary": true,
"mapping": [
{
"identity": "v2",
"map": "XAD.12 / XAD.13 + XAD.14"
},
{
"identity": "rim",
"map": "./usablePeriod[type=\"IVL<TS>\"]"
},
{
"identity": "servd",
"map": "./StartDate and ./EndDate"
}
]
}
]
},
"differential": {
"element": [
{
"id": "Extension",
"path": "Extension",
"short": "US Public Health Address Extension",
"definition": "Where the patient traveled to or visited as an address e.g. country, city, street address if applicable. At least, address must contain the country.",
"max": "1"
},
{
"id": "Extension.url",
"path": "Extension.url",
"fixedUri": "http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-address-extension"
},
{
"id": "Extension.value[x]",
"path": "Extension.value[x]",
"type": [
{
"code": "Address"
}
],
"mustSupport": true
},
{
"id": "Extension.value[x].use",
"path": "Extension.value[x].use",
"mustSupport": true
},
{
"id": "Extension.value[x].type",
"path": "Extension.value[x].type",
"mustSupport": true
},
{
"id": "Extension.value[x].line",
"path": "Extension.value[x].line",
"mustSupport": true
},
{
"id": "Extension.value[x].city",
"path": "Extension.value[x].city",
"mustSupport": true
},
{
"id": "Extension.value[x].district",
"path": "Extension.value[x].district",
"mustSupport": true
},
{
"id": "Extension.value[x].state",
"path": "Extension.value[x].state",
"mustSupport": true,
"binding": {
"strength": "preferred",
"description": "USPS Two Letter Alphabetic Codes",
"valueSet": "http://hl7.org/fhir/us/core/ValueSet/us-core-usps-state"
}
},
{
"id": "Extension.value[x].postalCode",
"path": "Extension.value[x].postalCode",
"mustSupport": true
},
{
"id": "Extension.value[x].country",
"path": "Extension.value[x].country",
"min": 1,
"max": "1",
"mustSupport": true
}
]
}
}
Extension 
value[x] 
FHIR