Questionnaire problem cases

[mlaletina95]

• calculated-options (CSIRO Bug: calculated choice from answerOption (pulse-rate-band) is not computed)

          "text": "Pulse rate band (calculated choice)",
          "type": "choice",
          "linkId": "pulse-rate-band",
          "readOnly": true,
          "extension": [
            {
              "url": "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression",
              "valueExpression": {
                "language": "text/fhirpath",
                "expression": "iif(\n  %resource.repeat(item).where(linkId='pulse-input').answer.valueInteger.exists(),\n  %qitem.answerOption.valueCoding.where(\n    code = iif(\n      %resource.repeat(item).where(linkId='pulse-input').answer.valueInteger.first() < 60,\n      'low',\n      iif(\n        %resource.repeat(item).where(linkId='pulse-input').answer.valueInteger.first() > 110,\n        'high',\n        'normal'\n      )\n    )\n  ).first(),\n  %qitem.answerOption.valueCoding.where(code='unknown').first()\n)"
              }
            }
          ],
          "answerOption": [
            {
              "valueCoding": {
                "code": "unknown",
                "system": "http://example.org/fhir/CodeSystem/pulse-band",
                "display": "—"
              }
            },
            {
              "valueCoding": {
                "code": "low",
                "system": "http://example.org/fhir/CodeSystem/pulse-band",
                "display": "Low (<60 bpm)"
              }
            },
            {
              "valueCoding": {
                "code": "normal",
                "system": "http://example.org/fhir/CodeSystem/pulse-band",
                "display": "Normal (60–110 bpm)"
              }
            },
            {
              "valueCoding": {
                "code": "high",
                "system": "http://example.org/fhir/CodeSystem/pulse-band",
                "display": "High (>110 bpm)"
              }
            }
          ]
        },
        {
          "text": "Tachycardia (> 110) (calculated boolean)",
          "type": "boolean",
          "linkId": "is-tachycardia",
          "readOnly": true,
          "extension": [
            {
              "url": "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression",
              "valueExpression": {
                "language": "text/fhirpath",
                "expression": "iif(\n  %resource.repeat(item).where(linkId='pulse-input').answer.valueInteger.exists(),\n  %resource.repeat(item).where(linkId='pulse-input').answer.valueInteger.first() > 110,\n  false\n)"
              }
            }
          ]
        }
      ],
      "text": "CalculatedExpression examples (different answer types)",
      "type": "group",
      "linkId": "calculated-section"
    }

• score-calculation (LHC Bug: weighted score (itemWeight sum) is not computed)

@ir4y LHC use this options for scores:

"extension": [
        {
          "url": "http://hl7.org/fhir/StructureDefinition/variable",
          "valueExpression": {
            "name": "a",
            "language": "text/fhirpath",
            "expression": "%questionnaire.item.where(linkId = '/matrix').item.where(linkId = '/matrix/69671-6').answerOption.where(valueCoding.code=%resource.item.where(linkId = '/matrix').item.where(linkId = '/matrix/69671-6').answer.valueCoding.code).extension.where(url='http://hl7.org/fhir/StructureDefinition/ordinalValue').valueDecimal",
            "extension": [
              {
                "url": "http://lhcforms.nlm.nih.gov/fhirExt/expression-editor-score-variable",
                "valueBoolean": true

https://lhcfhirtools.nlm.nih.gov/lhcforms

• initial (EMR Bug: Questionnaire.item.initial defaults are not applied)