Structured Data Capture
3.0.0 - STU 3 International flag

This page is part of the Structured Data Capture FHIR IG (v3.0.0: STU 3) based on FHIR R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

: SDC-Example using ordinalValue and constraint - JSON Representation

Page standards status: Informative

Raw json | Download


{
  "resourceType" : "Questionnaire",
  "id" : "questionnaire-sdc-profile-example-ordinal-value",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><table border=\"1\" cellpadding=\"0\" cellspacing=\"0\" style=\"border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;\"><tr style=\"border: 2px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top\"><th style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"The linkId for the item\">LinkId</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"Text for the item\">Text</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"Minimum and Maximum # of times the the itemcan appear in the instance\">Cardinality</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"The type of the item\">Type</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"Other attributes of the item\">Flags</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"Additional information about the item\">Description &amp; Constraints</a><span style=\"float: right\"><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"Legend for this format\"><img src=\"http://hl7.org/fhir/R4/help16.png\" alt=\"doco\" style=\"background-color: inherit\"/></a></span></th></tr><tr style=\"border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_q_root.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"QuestionnaireRoot\" class=\"hierarchy\"/> SDCExampleUsingOrdinalValue</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Questionnaire</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">http://hl7.org/fhir/uv/sdc/Questionnaire/questionnaire-sdc-profile-example-ordinal-value#3.0.0</td></tr>\r\n<tr style=\"border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck01.png)\" id=\"item.1.0\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon-q-group.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Group\" class=\"hierarchy\"/> 1.0</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Over the last 2 weeks, how often have you been bothered by any of the following problems?</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/codesystem-item-type.html#item-type-group\">group</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/></tr>\r\n<tr style=\"border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)\" id=\"item.1.1\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon-q-coding.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Coding\" class=\"hierarchy\"/> 1.1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1. Little interest or pleasure in doing things</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/codesystem-item-type.html#item-type-choice\">choice</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/extension-questionnaire-choiceorientation.html\" title=\"Orientation: horizontal\"><img src=\"icon-qi-horizontal.png\"/></a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Value Set: <a href=\"ValueSet-questionnaire-sdc-profile-example-ordinal-value_LL358-3.html\">Timing of harm assessment [AHRQ]</a></td></tr>\r\n<tr style=\"border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)\" id=\"item.1.2\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon-q-coding.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Coding\" class=\"hierarchy\"/> 1.2</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">2. Feeling down, depressed, or hopeless</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/codesystem-item-type.html#item-type-choice\">choice</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/extension-questionnaire-choiceorientation.html\" title=\"Orientation: horizontal\"><img src=\"icon-qi-horizontal.png\"/></a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Value Set: <a href=\"ValueSet-questionnaire-sdc-profile-example-ordinal-value_LL358-3.html\">Timing of harm assessment [AHRQ]</a></td></tr>\r\n<tr style=\"border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)\" id=\"item.1.3\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon-q-coding.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Coding\" class=\"hierarchy\"/> 1.3</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">3. Trouble falling or staying asleep, or sleeping too much</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/codesystem-item-type.html#item-type-choice\">choice</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/extension-questionnaire-choiceorientation.html\" title=\"Orientation: horizontal\"><img src=\"icon-qi-horizontal.png\"/></a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Value Set: <a href=\"ValueSet-questionnaire-sdc-profile-example-ordinal-value_LL358-3.html\">Timing of harm assessment [AHRQ]</a></td></tr>\r\n<tr style=\"border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)\" id=\"item.1.4\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon-q-coding.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Coding\" class=\"hierarchy\"/> 1.4</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">4. Feeling tired or having little energy</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/codesystem-item-type.html#item-type-choice\">choice</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/extension-questionnaire-choiceorientation.html\" title=\"Orientation: horizontal\"><img src=\"icon-qi-horizontal.png\"/></a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Value Set: <a href=\"ValueSet-questionnaire-sdc-profile-example-ordinal-value_LL358-3.html\">Timing of harm assessment [AHRQ]</a></td></tr>\r\n<tr style=\"border: 1px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck000.png)\" id=\"item.6\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon-q-integer.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Integer\" class=\"hierarchy\"/> 6</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Total Score:</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/codesystem-item-type.html#item-type-integer\">integer</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 1px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Expressions: <ul><li style=\"font-size: 11px\"><a href=\"http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression\">Calculated Value</a>: <code>%resource.repeat(item).where(linkId='1.0').item.answer.ordinalValue().aggregate($this + $total, 0)</code></li></ul></td></tr>\r\n<tr><td colspan=\"6\" class=\"hierarchy\"><br/><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"Legend for this format\"><img src=\"http://hl7.org/fhir/R4/help16.png\" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
  },
  "contained" : [
    {
      "resourceType" : "ValueSet",
      "id" : "LL358-3",
      "name" : "TimingOfHarmAssessment",
      "title" : "Timing of harm assessment [AHRQ]",
      "status" : "active",
      "description" : "The answer list for timing of harm assessment",
      "copyright" : "This content from LOINC® is copyright © 1995 Regenstrief Institute, Inc. and the LOINC Committee, and available at no cost under the license at http://loinc.org/terms-of-use",
      "compose" : {
        "include" : [
          {
            "system" : "http://loinc.org",
            "concept" : [
              {
                "extension" : [
                  {
                    "url" : "http://hl7.org/fhir/StructureDefinition/ordinalValue",
                    "valueDecimal" : 0
                  }
                ],
                "code" : "LA6568-5",
                "display" : "Not at all"
              },
              {
                "extension" : [
                  {
                    "url" : "http://hl7.org/fhir/StructureDefinition/ordinalValue",
                    "valueDecimal" : 1
                  }
                ],
                "code" : "LA6569-3",
                "display" : "Several days"
              },
              {
                "extension" : [
                  {
                    "url" : "http://hl7.org/fhir/StructureDefinition/ordinalValue",
                    "valueDecimal" : 2
                  }
                ],
                "code" : "LA6570-1",
                "display" : "More than half the days"
              },
              {
                "extension" : [
                  {
                    "url" : "http://hl7.org/fhir/StructureDefinition/ordinalValue",
                    "valueDecimal" : 3
                  }
                ],
                "code" : "LA6571-9",
                "display" : "Nearly every day"
              }
            ]
          }
        ]
      }
    }
  ],
  "url" : "http://hl7.org/fhir/uv/sdc/Questionnaire/questionnaire-sdc-profile-example-ordinal-value",
  "version" : "3.0.0",
  "name" : "SDCExampleUsingOrdinalValue",
  "status" : "draft",
  "date" : "2022-03-08T18:33:14+00:00",
  "publisher" : "HL7 International - FHIR Infrastructure Work Group",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://hl7.org/Special/committees/fiwg"
        }
      ]
    }
  ],
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code" : "001"
        }
      ]
    }
  ],
  "item" : [
    {
      "extension" : [
        {
          "extension" : [
            {
              "url" : "key",
              "valueId" : "contraint-1"
            },
            {
              "url" : "requirements",
              "valueString" : "At least three questions must be answered to have a meaningful total."
            },
            {
              "url" : "severity",
              "valueCode" : "warning"
            },
            {
              "url" : "expression",
              "valueString" : "%resource.repeat(item).where(linkId='1.0').item.where(answer.hasValue()).count() >= 3"
            },
            {
              "url" : "human",
              "valueString" : "You should answer at least three questions."
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-constraint"
        }
      ],
      "linkId" : "1.0",
      "text" : "Over the last 2 weeks, how often have you been bothered by any of the following problems?",
      "type" : "group",
      "item" : [
        {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-choiceOrientation",
              "valueCode" : "horizontal"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl",
              "valueCodeableConcept" : {
                "coding" : [
                  {
                    "system" : "http://hl7.org/fhir/questionnaire-item-control",
                    "code" : "radio-button",
                    "display" : "Radio Button"
                  }
                ],
                "text" : "A control where choices are listed with a button beside them. The button can be toggled to select or de-select a given choice. Selecting one item deselects all others."
              }
            }
          ],
          "linkId" : "1.1",
          "text" : "1. Little interest or pleasure in doing things",
          "type" : "choice",
          "answerValueSet" : "#LL358-3"
        },
        {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-choiceOrientation",
              "valueCode" : "horizontal"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl",
              "valueCodeableConcept" : {
                "coding" : [
                  {
                    "system" : "http://hl7.org/fhir/questionnaire-item-control",
                    "code" : "radio-button",
                    "display" : "Radio Button"
                  }
                ],
                "text" : "A control where choices are listed with a button beside them. The button can be toggled to select or de-select a given choice. Selecting one item deselects all others."
              }
            }
          ],
          "linkId" : "1.2",
          "text" : "2. Feeling down, depressed, or hopeless",
          "type" : "choice",
          "answerValueSet" : "#LL358-3"
        },
        {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-choiceOrientation",
              "valueCode" : "horizontal"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl",
              "valueCodeableConcept" : {
                "coding" : [
                  {
                    "system" : "http://hl7.org/fhir/questionnaire-item-control",
                    "code" : "radio-button",
                    "display" : "Radio Button"
                  }
                ],
                "text" : "A control where choices are listed with a button beside them. The button can be toggled to select or de-select a given choice. Selecting one item deselects all others."
              }
            }
          ],
          "linkId" : "1.3",
          "text" : "3. Trouble falling or staying asleep, or sleeping too much",
          "type" : "choice",
          "answerValueSet" : "#LL358-3"
        },
        {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-choiceOrientation",
              "valueCode" : "horizontal"
            },
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl",
              "valueCodeableConcept" : {
                "coding" : [
                  {
                    "system" : "http://hl7.org/fhir/questionnaire-item-control",
                    "code" : "radio-button",
                    "display" : "Radio Button"
                  }
                ],
                "text" : "A control where choices are listed with a button beside them. The button can be toggled to select or de-select a given choice. Selecting one item deselects all others."
              }
            }
          ],
          "linkId" : "1.4",
          "text" : "4. Feeling tired or having little energy",
          "type" : "choice",
          "answerValueSet" : "#LL358-3"
        },
        {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression",
              "valueExpression" : {
                "description" : "Total score",
                "language" : "text/fhirpath",
                "expression" : "%resource.repeat(item).where(linkId='1.0').item.answer.ordinalValue().aggregate($this + $total, 0)"
              }
            }
          ],
          "linkId" : "6",
          "text" : "Total Score:",
          "type" : "integer"
        }
      ]
    }
  ]
}