When testing application output using the Form Builder, I was able to create and export a complex Questionnaire that then does not pass FHIR 4.0 schema validation.
The form that is giving errors is included at the end of the post.
Code Snippet:
{
"resourceType": "Questionnaire",
"title": "Complex Survey",
"status": "draft",
"item": [
{
"code": [
{
"system": "http://loinc.org",
"code": "30525-0",
"display": "Age"
}
],
"text": "How old are you?",
"type": "integer",
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": {
"unit": "a"
},
"display": {
"unit": "a"
}
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": "a",
"display": "year"
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": "a",
"display": "year"
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"code": "year",
"display": "year"
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": "a",
"display": "year"
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": "a",
"display": "year"
}
}
],
"linkId": "1923091934343",
"required": true
},
{
"code": [
{
"system": "http://loinc.org",
"code": "8302-2",
"display": "Body height"
}
],
"text": "Height",
"type": "decimal",
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": {
"unit": "[in_us]"
},
"display": {
"unit": "[in_us]"
}
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": {
"unit": "cm"
},
"display": {
"unit": "cm"
}
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": {
"unit": "m"
},
"display": {
"unit": "m"
}
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": "[ft_i]",
"display": "foot"
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": "[in_i]",
"display": "inch"
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": "[in_i]",
"display": "inch"
}
}
],
"linkId": "6375311029779",
"initial": [
{
"valueDecimal": 0
}
],
"item": [
{
"text": "Height in Inches",
"type": "display",
"linkId": "6375311029779_helpText",
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl",
"valueCodeableConcept": {
"text": "Help-Button",
"coding": [
{
"code": "help",
"display": "Help-Button",
"system": "http://hl7.org/fhir/questionnaire-item-control"
}
]
}
}
]
}
]
},
{
"code": [
{
"system": "http://loinc.org",
"code": "29463-7",
"display": "Weight"
}
],
"text": "Weight",
"type": "integer",
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": {
"unit": "[lb_av]"
},
"display": {
"unit": "[lb_av]"
}
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": {
"unit": "kg"
},
"display": {
"unit": "kg"
}
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": "[lb_av]",
"display": "pound"
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": "[lb_av]",
"display": "pound"
}
},
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-unit",
"valueCoding": {
"system": "http://unitsofmeasure.org",
"code": "[lb_av]",
"display": "pound"
}
}
],
"linkId": "5681920227726",
"item": [
{
"text": "Weight in Pounds",
"type": "display",
"linkId": "5681920227726_helpText",
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl",
"valueCodeableConcept": {
"text": "Help-Button",
"coding": [
{
"code": "help",
"display": "Help-Button",
"system": "http://hl7.org/fhir/questionnaire-item-control"
}
]
}
}
]
}
]
},
{
"text": "Sleep Habits",
"linkId": "7830041069695",
"type": "group",
"item": [
{
"text": "About how many hours do you usually sleep a day?",
"linkId": "975641938256",
"type": "decimal",
"maxLength": 24,
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/maxValue",
"valueDecimal": 24
}
]
},
{
"text": "What time do you usually go to bed at night",
"linkId": "5595233028971",
"type": "time"
},
{
"text": "What time do you usually wake up in the morning",
"linkId": "9775046682141",
"type": "time"
}
]
},
{
"text": "Have you ever experienced back pain",
"linkId": "7507688589592",
"type": "boolean",
"initial": [
{
"valueBoolean": true
}
],
"repeats": false,
"required": true,
"readOnly": false
},
{
"text": "Back Pain Details",
"linkId": "6696083212404",
"type": "group",
"enableBehavior": "all",
"enableWhen": [
{
"question": "7507688589592",
"operator": "=",
"answerBoolean": true
}
],
"item": [
{
"text": "Have you ever taken medication to manage back pain?",
"linkId": "6506631093455",
"type": "boolean",
"item": [
{
"text": "Which Medications have you taken?",
"linkId": "953933492618",
"type": "open-choice",
"initial": [
{
"valueCoding": {
"system": "http://www.nlm.nih.gov/research/umls/rxnorm",
"code": "1243440",
"display": "Tylenol"
}
}
],
"answerOption": [
{
"valueCoding": {
"system": "http://www.nlm.nih.gov/research/umls/rxnorm",
"code": "1243440",
"display": "Tylenol"
}
},
{
"valueCoding": {
"system": "http://www.nlm.nih.gov/research/umls/rxnorm",
"code": "1088953",
"display": "Codeine"
}
},
{
"valueCoding": {
"display": "Apirin"
}
},
{
"valueCoding": {
"display": "Other"
}
}
],
"repeats": true,
"required": false,
"enableBehavior": "all",
"enableWhen": [
{
"question": "6506631093455",
"operator": "=",
"answerBoolean": true
}
],
"item": [
{
"text": "List the Other Medications you've taken",
"linkId": "498302662737",
"type": "string",
"enableWhen": [
{
"question": "953933492618",
"operator": "=",
"answerCoding": {
"display": "Other"
}
}
]
}
]
}
],
"enableWhen": [
{
"question": "7507688589592",
"operator": "=",
"answerBoolean": true
}
]
},
{
"text": "How long has it been since you last experienced back pain",
"linkId": "4931421371812",
"type": "choice",
"answerOption": [
{
"valueCoding": {
"display": "Within the last 2 weeks"
}
},
{
"valueCoding": {
"display": "Within the last month"
}
},
{
"valueCoding": {
"display": "Within the last year"
}
},
{
"valueCoding": {
"display": "I don't remember"
}
}
],
"enableWhen": [
{
"question": "7507688589592",
"operator": "=",
"answerBoolean": true
}
],
"enableBehavior": "all"
},
{
"code": [
{
"system": "http://loinc.org",
"code": "91348-3",
"display": "Overall, how bothersome has your back pain been in the last 2 weeks?"
}
],
"text": "Overall, how bothersome has your back pain been in the last 2 weeks?",
"answerOption": [
{
"valueCoding": {
"system": "http://loinc.org",
"code": "LA6568-5",
"display": "Not at all"
}
},
{
"valueCoding": {
"system": "http://loinc.org",
"code": "LA14454-5",
"display": "Slightly"
}
},
{
"valueCoding": {
"system": "http://loinc.org",
"code": "LA13939-6",
"display": "Moderately"
}
},
{
"valueCoding": {
"system": "http://loinc.org",
"code": "LA13914-9",
"display": "Very much"
}
},
{
"valueCoding": {
"system": "http://loinc.org",
"code": "LA14868-6",
"display": "Extremely"
}
}
],
"type": "choice",
"linkId": "8557662912930",
"enableWhen": [
{
"question": "4931421371812",
"operator": "=",
"answerCoding": {
"display": "Within the last 2 weeks"
}
}
]
}
]
},
{
"text": "What day was your last visit with your doctor",
"linkId": "1967077637018",
"type": "date",
"item": [
{
"text": "What is your doctor's name",
"linkId": "6663760446550",
"type": "text",
"maxLength": 30
},
{
"text": "Did you visit your doctor for your back pain?",
"linkId": "4165088966004",
"type": "boolean",
"initial": [
{
"valueBoolean": false
}
],
"required": false,
"enableBehavior": "all",
"enableWhen": [
{
"question": "7507688589592",
"operator": "=",
"answerBoolean": true
},
{
"question": "1967077637018",
"operator": "exists",
"answerBoolean": true
}
]
},
{
"text": "What is your Doctor or Health System's website",
"linkId": "8109657622653",
"type": "url"
}
]
},
{
"text": "Flags (Read Only)",
"linkId": "3229889426425",
"type": "group",
"item": [
{
"text": "Senior Citizen?",
"linkId": "6517365580072",
"type": "boolean",
"answerOption": [
{
"valueCoding": {
"display": "Senior Citizen"
}
}
],
"enableWhen": [
{
"question": "1923091934343",
"operator": ">",
"answerInteger": 54
}
],
"required": false,
"readOnly": true,
"initial": [
{
"valueBoolean": true
}
]
},
{
"text": "Minor",
"linkId": "9565403118888",
"type": "boolean",
"initial": [
{
"valueBoolean": true
}
],
"readOnly": true,
"enableWhen": [
{
"question": "1923091934343",
"operator": "<",
"answerInteger": 18
}
],
"required": false
}
]
}
]
}I am able to successfully validate simple and medium-complexity exports against this schema, running into issues with the complex Questionnaire. Other Python JSON schema validators raise the same issue.
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