{ "resourceType" : "StructureDefinition", "id" : "us-ph-address-extension", "text" : { "status" : "extensions", "div" : "

Generated Narrative: StructureDefinition us-ph-address-extension

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
NameFlagsCard.TypeDescription & Constraints\"doco\"
\".\"\".\" Extension 0..1ExtensionUS Public Health Address Extension
\".\"\".\"\".\" extension 0..0
\".\"\".\"\".\" url 1..1uri"http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-address-extension"
\".\"\".\"\".\" value[x] S0..1AddressValue of extension
Example for Address: {"text":"Nadi FIJI","city":"Nadi","country":"FIJI"}
\".\"\".\"\".\"\".\" use S0..1codehome | work | temp | old | billing - purpose of this address
\".\"\".\"\".\"\".\" type S0..1codepostal | physical | both
\".\"\".\"\".\"\".\" line S0..*stringStreet name, number, direction & P.O. Box etc.
\".\"\".\"\".\"\".\" city S0..1stringName of city, town etc.
\".\"\".\"\".\"\".\" district S0..1stringDistrict name (aka county)
\".\"\".\"\".\"\".\" state S0..1stringSub-unit of country (abbreviations ok)
Binding: USPS Two Letter Alphabetic Codes (preferred): USPS Two Letter Alphabetic Codes
\".\"\".\"\".\"\".\" postalCode S0..1stringPostal code for area
\".\"\".\"\".\"\".\" country S1..1stringCountry (e.g. can be ISO 3166 2 or 3 letter code)

\"doco\" Documentation for this format
" }, "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg", "valueCode" : "pher" }, { "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm", "valueInteger" : 3, "_valueInteger" : { "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom", "valueCanonical" : "http://hl7.org/fhir/us/ph-library/ImplementationGuide/hl7.fhir.us.ph-library" }] } }, { "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status", "valueCode" : "trial-use", "_valueCode" : { "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom", "valueCanonical" : "http://hl7.org/fhir/us/ph-library/ImplementationGuide/hl7.fhir.us.ph-library" }] } }], "url" : "http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-address-extension", "identifier" : [{ "system" : "urn:ietf:rfc:3986", "value" : "urn:oid:2.16.840.1.113883.4.642.40.58.42.1" }], "version" : "2.0.0-ballot", "name" : "USPublicHealthAddressExtension", "title" : "US Public Health Address Extension", "status" : "active", "experimental" : false, "date" : "2025-07-30T14:31:09+00:00", "publisher" : "HL7 International / Public Health", "contact" : [{ "name" : "HL7 International / Public Health", "telecom" : [{ "system" : "url", "value" : "http://www.hl7.org/Special/committees/pher" }, { "system" : "email", "value" : "pher@lists.HL7.org" }] }], "description" : "This Extension profile represents where the patient traveled to or visited as an address e.g.: country, state, city, street address (if applicable).", "jurisdiction" : [{ "coding" : [{ "system" : "urn:iso:std:iso:3166", "code" : "US" }] }], "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" : "Extension", "definition" : "An Extension", "min" : 0, "max" : "0", "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 }, { "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/ph-library/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" }], "example" : [{ "label" : "for Address", "valueAddress" : { "text" : "Nadi FIJI", "city" : "Nadi", "country" : "FIJI" } }], "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\"]" }, { "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.extension", "path" : "Extension.extension", "max" : "0" }, { "id" : "Extension.url", "path" : "Extension.url", "fixedUri" : "http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-address-extension" }, { "id" : "Extension.value[x]", "path" : "Extension.value[x]", "type" : [{ "code" : "Address" }], "example" : [{ "label" : "for Address", "valueAddress" : { "text" : "Nadi FIJI", "city" : "Nadi", "country" : "FIJI" } }], "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, "mustSupport" : true }] } }