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CodeSystem Code Composition
Overview
Given a set of properties, return one or more possible matching codes. For more details, see the official FHIR terminology documentation CodeSystem Code Composition​
$compose may return 3 possible types of match
- complete match - a code that represents all the provided properties correctly
- partial match - a code that represents some of the provided properties correctly and not others
- possible match - code that may represent the provided properties closely
When send
exact parameter is true - $compose operation only returns complete and partial matches. When exact is false - $compose include possible matches to a response. Default value is true; that means that by default returning only complete and partial matches. Api
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GET/POST URL: [base]/ValueSet/$compose
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GET/POST URL: [base]/ValueSet/[id]/$compose
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Parameters
Parameter
Type
Status
Example
property.value
code | Coding | string |
integer | boolean | dateTime
supported​
property.subproperty
​
not supported​
property.subproperty.value
code | Coding | string |
integer | boolean | dateTime
not supported​
property
One or more properties that contain information to be composed into the code.
Example: Compose from system
http://hl7.org/fhir/goal-status where code is proposedRequest
Response
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POST [BASE]/CodeSystem/$compose
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{
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"resourceType" : "Parameters",
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"parameter" : [
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{
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"name" : "system",
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"valueUri" : "http://hl7.org/fhir/goal-status"
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},
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{
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"name" : "exact",
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"valueUri" : true
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},
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{
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"name": "property",
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"part": [
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{
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"name": "code",
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"valueCode": "code"
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},
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{
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"name": "value",
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"valueString": "proposed"
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}]
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}
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]
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}
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{
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"resourceType": "Parameters",
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"parameter": [
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{
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"name": "match",
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"part": [
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{
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"name": "code",
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"valueCoding": {
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"code": "proposed",
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"module": "fhir-3.3.0",
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"system": "http://hl7.org/fhir/goal-status",
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"display": "Proposed",
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"definition": "A goal is proposed for this patient"
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}
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}
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]
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}
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]
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}
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Example: Compose from system
http://hl7.org/fhir/goal-status where code is proposed or accepted Request
Response
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POST [BASE]/CodeSystem/$compose
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{
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"resourceType" : "Parameters",
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"parameter" : [
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{
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"name" : "system",
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"valueUri" : "http://hl7.org/fhir/goal-status"
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},
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{
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"name" : "exact",
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"valueUri" : true
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},
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{
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"name": "property",
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"part": [
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{
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"name": "code",
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"valueCode": "code"
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},
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{
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"name": "value",
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"valueString": "proposed"
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},
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{
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"name": "value",
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"valueString": "accepted"
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}]
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}
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]
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}
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{
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"resourceType": "Parameters",
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"parameter": [
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{
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"name": "match",
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"part": [
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{
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"name": "code",
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"valueCoding": {
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"code": "accepted",
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"module": "fhir-3.3.0",
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"system": "http://hl7.org/fhir/goal-status",
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"display": "Accepted",
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"definition": "A proposed goal was accepted or acknowledged"
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}
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},
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{
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"name": "code",
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"valueCoding": {
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"code": "proposed",
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"module": "fhir-3.3.0",
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"system": "http://hl7.org/fhir/goal-status",
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"display": "Proposed",
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"definition": "A goal is proposed for this patient"
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}
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}
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]
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}
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]
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}
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Example: Compose from system
http://hl7.org/fhir/goal-status where code is proposed or accepted and/or where definition is Planned Request
Response
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POST [BASE]/CodeSystem/$compose
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{
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"resourceType" : "Parameters",
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"parameter" : [
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{
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"name" : "system",
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"valueUri" : "http://hl7.org/fhir/goal-status"
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},
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{
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"name" : "exact",
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"valueUri" : true
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},
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{
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"name": "property",
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"part": [
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{
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"name": "code",
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"valueCode": "code"
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},
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{
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"name": "value",
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"valueString": "proposed"
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},
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{
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"name": "value",
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"valueString": "accepted"
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}]
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},
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{
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"name": "property",
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"part": [
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{
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"name": "code",
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"valueCode": "display"
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},
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{
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"name": "value",
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"valueString": "Planned"
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}]
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}
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]
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}
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{
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"resourceType": "Parameters",
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"parameter": [
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{
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"name": "match",
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"part": [
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{
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"name": "code",
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"valueCoding": {
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"code": "accepted",
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"module": "fhir-3.3.0",
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"system": "http://hl7.org/fhir/goal-status",
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"display": "Accepted",
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"definition": "A proposed goal was accepted or acknowledged"
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}
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},
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{
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"name": "code",
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"valueCoding": {
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"code": "proposed",
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"module": "fhir-3.3.0",
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"system": "http://hl7.org/fhir/goal-status",
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"display": "Proposed",
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"definition": "A goal is proposed for this patient"
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}
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},
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{
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"name": "code",
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"valueCoding": {
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"code": "planned",
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"module": "fhir-3.3.0",
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"system": "http://hl7.org/fhir/goal-status",
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"display": "Planned",
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"hierarchy": [
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"accepted"
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],
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"definition": "A goal is planned for this patient"
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}
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}
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]
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}
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]
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}
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exact
Whether the operation is being used by a human, or a machine. When
false include to response possible matches.Example: lets try to compose code system from concepts where the code contains
on-Request
Response
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POST [BASE]/CodeSystem/$compose
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{
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"resourceType" : "Parameters",
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"parameter" : [
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{
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"name" : "system",
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"valueUri" : "http://hl7.org/fhir/goal-status"
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},
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{
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"name" : "exact",
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"valueUri" : false
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},
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{
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"name": "property",
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"part": [
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{
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"name": "code",
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"valueCode": "code"
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},
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{
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"name": "value",
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"valueString": "on-"
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}]
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}
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]
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}
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{
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"resourceType": "Parameters",
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"parameter": [
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{
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"name": "match",
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"part": [
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{
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"name": "code",
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"valueCoding": {
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"code": "on-target",
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"module": "fhir-3.3.0",
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"system": "http://hl7.org/fhir/goal-status",
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"display": "On Target",
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"hierarchy": [
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"accepted",
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"in-progress"
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],
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"definition": "The goal is on schedule for the planned timelines"
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}
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},
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{
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"name": "code",
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"valueCoding": {
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"code": "on-hold",
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"module": "fhir-3.3.0",
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"system": "http://hl7.org/fhir/goal-status",
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"display": "On Hold",
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"hierarchy": [
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"accepted"
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],
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"definition": "The goal remains a long term objective but is no longer being actively pursued for a temporary period of time."
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}
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}
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]
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}
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]
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}
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​
Last modified 9mo ago
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