Release 5 Preview #1
FoundationThis page is part of the FHIR Specification (v4.2.0: R5 Preview #1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions 
. Page versions: R5 R4B R4
| FHIR Infrastructure Work Group | Maturity Level: 1 | Draft | Compartments: N/A |
This operation takes a resource in one form, and returns to in another form. Both input and output are a single resource. The primary use of this operation is to convert between formats (e.g. (XML -> JSON or vice versa).
The official URL for this operation definition is
http://hl7.org/fhir/OperationDefinition/Resource-convert
Formal Definition (as a OperationDefinition).
URL: [base]/$convert
This is an idempotent operation
| In Parameters: | |||||
| Name | Cardinality | Type | Binding | Profile | Documentation |
| input | 1..1 | Resource | The resource that is to be converted | ||
| Out Parameters: | |||||
| Name | Cardinality | Type | Binding | Profile | Documentation |
| output | 1..1 | Resource | The resource after conversion | ||
While the primary use of this operation is simple - converting a resource from one format to another, there are many potential uses including:
These variants would all be associated with parameters that define and control these kind of conversions, though such parameters are not defined at this time. In the absence of any parameters, simple format conversion is all that will occur.
For this reason, implementers should be aware that:
Implementers are encouraged to provide feedback to HL7 about their use of this operation
Request: Convert to a different version of FHIR (in this case, from 3 to 4
POST /base/$convert
Accept: application/fhir+json
Content-Type: application/fhir+xml
[other headers]
<?xml version="1.0" encoding="UTF-8"?>
<Patient xmlns="http://hl7.org/fhir">
<id value="example"/>
<text>
<status value="generated"/>
<div xmlns="http://www.w3.org/1999/xhtml">
<table>
<tbody>
<tr>
<td>Name</td>
<td>Peter James
<b>Chalmers</b> ("Jim")
</td>
</tr>
<tr>
<td>Address</td>
<td>534 Erewhon, Pleasantville, Vic, 3999</td>
</tr>
<tr>
<td>Contacts</td>
<td>Home: unknown. Work: (03) 5555 6473</td>
</tr>
<tr>
<td>Id</td>
<td>MRN: 12345 (Acme Healthcare)</td>
</tr>
</tbody>
</table>
</div>
</text>
<!-- MRN assigned by ACME healthcare on 6-May 2001 -->
<identifier>
<use value="usual"/>
<type>
<coding>
<system value="http://terminology.hl7.org/CodeSystem/v2-0203"/>
<code value="MR"/>
</coding>
</type>
<system value="urn:oid:1.2.36.146.595.217.0.1"/>
<value value="12345"/>
<period>
<start value="2001-05-06"/>
</period>
<assigner>
<display value="Acme Healthcare"/>
</assigner>
</identifier>
<active value="true"/>
<!-- Peter James Chalmers, but called "Jim" -->
<name>
<use value="official"/>
<family value="Chalmers"/>
<given value="Peter"/>
<given value="James"/>
</name>
<name>
<use value="usual"/>
<given value="Jim"/>
</name>
<name>
<!-- Maiden names apply for anyone whose name changes as a result of marriage - irrespective of gender -->
<use value="maiden"/>
<family value="Windsor"/>
<given value="Peter"/>
<given value="James"/>
<period>
<end value="2002"/>
</period>
</name>
<telecom>
<use value="home"/>
<!-- home communication details aren't known -->
</telecom>
<telecom>
<system value="phone"/>
<value value="(03) 5555 6473"/>
<use value="work"/>
<rank value="1"/>
</telecom>
<telecom>
<system value="phone"/>
<value value="(03) 3410 5613"/>
<use value="mobile"/>
<rank value="2"/>
</telecom>
<telecom>
<system value="phone"/>
<value value="(03) 5555 8834"/>
<use value="old"/>
<period>
<end value="2014"/>
</period>
</telecom>
<!-- use FHIR code system for male / female -->
<gender value="male"/>
<birthDate value="1974-12-25">
<extension url="http://hl7.org/fhir/StructureDefinition/patient-birthTime">
<valueDateTime value="1974-12-25T14:35:45-05:00"/>
</extension>
</birthDate>
<deceasedBoolean value="false"/>
<address>
<use value="home"/>
<type value="both"/>
<text value="534 Erewhon St
PeasantVille, Rainbow, Vic 3999"/>
<line value="534 Erewhon St"/>
<city value="PleasantVille"/>
<district value="Rainbow"/>
<state value="Vic"/>
<postalCode value="3999"/>
<period>
<start value="1974-12-25"/>
</period>
</address>
<contact>
<relationship>
<coding>
<system value="http://terminology.hl7.org/CodeSystem/v2-0131"/>
<code value="N"/>
</coding>
</relationship>
<name>
<family value="du Marché">
<!-- the "du" part is a family name prefix (VV in iso 21090) -->
<extension url="http://hl7.org/fhir/StructureDefinition/humanname-own-prefix">
<valueString value="VV"/>
</extension>
</family>
<given value="Bénédicte"/>
</name>
<telecom>
<system value="phone"/>
<value value="+33 (237) 998327"/>
</telecom>
<address>
<use value="home"/>
<type value="both"/>
<line value="534 Erewhon St"/>
<city value="PleasantVille"/>
<district value="Rainbow"/>
<state value="Vic"/>
<postalCode value="3999"/>
<period>
<start value="1974-12-25"/>
</period>
</address>
<gender value="female"/>
<period>
<!-- The contact relationship started in 2012 -->
<start value="2012"/>
</period>
</contact>
<managingOrganization>
<reference value="Organization/1"/>
</managingOrganization>
</Patient>
-------------------------------------------------
POST /base/$convert
Accept: application/fhir+json; fhirVersion=3.0
Content-Type: application/fhir+json; fhirVersion=4.0
[other headers]
-- snip - R3 version of a resource --
Response: Return the JSON format
HTTP/1.1 200 OK
Content-Type: application/fhir+json
[other headers]
{
"resourceType" : "Patient",
"id" : "example",
"text" : {
"status" : "generated",
"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n\t\t\t<table>\n\t\t\t\t<tbody>\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<td>Name</td>\n\t\t\t\t\t\t<td>Peter James \n <b>Chalmers</b> ("Jim")\n </td>\n\t\t\t\t\t</tr>\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<td>Address</td>\n\t\t\t\t\t\t<td>534 Erewhon, Pleasantville, Vic, 3999</td>\n\t\t\t\t\t</tr>\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<td>Contacts</td>\n\t\t\t\t\t\t<td>Home: unknown. Work: (03) 5555 6473</td>\n\t\t\t\t\t</tr>\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<td>Id</td>\n\t\t\t\t\t\t<td>MRN: 12345 (Acme Healthcare)</td>\n\t\t\t\t\t</tr>\n\t\t\t\t</tbody>\n\t\t\t</table>\n\t\t</div>"
},
"identifier" : [{
"use" : "usual",
"type" : {
"coding" : [{
"system" : "http://terminology.hl7.org/CodeSystem/v2-0203",
"code" : "MR"
}]
},
"system" : "urn:oid:1.2.36.146.595.217.0.1",
"value" : "12345",
"period" : {
"start" : "2001-05-06"
},
"assigner" : {
"display" : "Acme Healthcare"
}
}],
"active" : true,
"name" : [{
"use" : "official",
"family" : "Chalmers",
"given" : ["Peter",
"James"]
},
{
"use" : "usual",
"given" : ["Jim"]
},
{
"use" : "maiden",
"family" : "Windsor",
"given" : ["Peter",
"James"],
"period" : {
"end" : "2002"
}
}],
"telecom" : [{
"use" : "home"
},
{
"system" : "phone",
"value" : "(03) 5555 6473",
"use" : "work",
"rank" : 1
},
{
"system" : "phone",
"value" : "(03) 3410 5613",
"use" : "mobile",
"rank" : 2
},
{
"system" : "phone",
"value" : "(03) 5555 8834",
"use" : "old",
"period" : {
"end" : "2014"
}
}],
"gender" : "male",
"birthDate" : "1974-12-25",
"_birthDate" : {
"extension" : [{
"url" : "http://hl7.org/fhir/StructureDefinition/patient-birthTime",
"valueDateTime" : "1974-12-25T14:35:45-05:00"
}]
},
"deceasedBoolean" : false,
"address" : [{
"use" : "home",
"type" : "both",
"text" : "534 Erewhon St PeasantVille, Rainbow, Vic 3999",
"line" : ["534 Erewhon St"],
"city" : "PleasantVille",
"district" : "Rainbow",
"state" : "Vic",
"postalCode" : "3999",
"period" : {
"start" : "1974-12-25"
}
}],
"contact" : [{
"relationship" : [{
"coding" : [{
"system" : "http://terminology.hl7.org/CodeSystem/v2-0131",
"code" : "N"
}]
}],
"name" : {
"family" : "du Marché",
"_family" : {
"extension" : [{
"url" : "http://hl7.org/fhir/StructureDefinition/humanname-own-prefix",
"valueString" : "VV"
}]
},
"given" : ["Bénédicte"]
},
"telecom" : [{
"system" : "phone",
"value" : "+33 (237) 998327"
}],
"address" : {
"use" : "home",
"type" : "both",
"line" : ["534 Erewhon St"],
"city" : "PleasantVille",
"district" : "Rainbow",
"state" : "Vic",
"postalCode" : "3999",
"period" : {
"start" : "1974-12-25"
}
},
"gender" : "female",
"period" : {
"start" : "2012"
}
}],
"managingOrganization" : {
"reference" : "Organization/1"
}
}
For more information about operations, including how they are invoked, see Operations.
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