In the Questionnaire resource for FHIR r4 , the url attribute identifies the Canonical identifier for this questionnaire, represented as a URI (globally unique)
"url": "http://hl7.org/fhir/Questionnaire/3141"
"url": "http://hl7.org/fhir/Questionnaire/3141"
"identifier":
"version":
"name":
"title": "Cancer Quality Forum Questionnaire 2012"
"derivedFrom":
"status": "draft"
"experimental":
"subjectType": [
"Patient"
]
"date": "2012-01"
"publisher":
"contact":
"description":
"useContext":
"jurisdiction":
"purpose":
"copyright":
"approvalDate":
"lastReviewDate":
"effectivePeriod":
"code":
"item": [
{
"linkId": "1",
"code": [
{
"system": "http://example.org/system/code/sections",
"code": "COMORBIDITY"
}
],
"type": "group",
"item": [
{
"linkId": "1.1",
"code": [
{
"system": "http://example.org/system/code/questions",
"code": "COMORB"
}
],
"prefix": "1",
"type": "choice",
"answerValueSet": "http://hl7.org/fhir/ValueSet/yesnodontknow",
"item": [
{
"linkId": "1.1.1",
"code": [
{
"system": "http://example.org/system/code/sections",
"code": "CARDIAL"
}
],
"type": "group",
"enableWhen": [
{
"question": "1.1",
"operator": "=",
"answerCoding": {
"system": "http://terminology.hl7.org/CodeSystem/v2-0136",
"code": "Y"
}
}
],
"item": [
{
"linkId": "1.1.1.1",
"code": [
{
"system": "http://example.org/system/code/questions",
"code": "COMORBCAR"
}
],
"prefix": "1.1",
"type": "choice",
"answerValueSet": "http://hl7.org/fhir/ValueSet/yesnodontknow",
"item": [
{
"linkId": "1.1.1.1.1",
"code": [
{
"system": "http://example.org/system/code/questions",
"code": "COMCAR00",
"display": "Angina Pectoris"
},
{
"system": "http://snomed.info/sct",
"code": "194828000",
"display": "Angina (disorder)"
}
],
"prefix": "1.1.1",
"type": "choice",
"answerValueSet": "http://hl7.org/fhir/ValueSet/yesnodontknow"
},
{
"linkId": "1.1.1.1.2",
"code": [
{
"system": "http://snomed.info/sct",
"code": "22298006",
"display": "Myocardial infarction (disorder)"
}
],
"prefix": "1.1.2",
"type": "choice",
"answerValueSet": "http://hl7.org/fhir/ValueSet/yesnodontknow"
}
]
},
{
"linkId": "1.1.1.2",
"code": [
{
"system": "http://example.org/system/code/questions",
"code": "COMORBVAS"
}
],
"prefix": "1.2",
"type": "choice",
"answerValueSet": "http://hl7.org/fhir/ValueSet/yesnodontknow"
}
]
}
]
}
]
},
{
"linkId": "2",
"code": [
{
"system": "http://example.org/system/code/sections",
"code": "HISTOPATHOLOGY"
}
],
"type": "group",
"item": [
{
"linkId": "2.1",
"code": [
{
"system": "http://example.org/system/code/sections",
"code": "ABDOMINAL"
}
],
"type": "group",
"item": [
{
"linkId": "2.1.2",
"code": [
{
"system": "http://example.org/system/code/questions",
"code": "STADPT",
"display": "pT category"
}
],
"type": "choice"
}
]
}
]
}
]