{
  "resourceType": "StructureDefinition",
  "id": "ObservationSocialHistoryPSAB",
  "url": "https://www.alberta.ca/fhir/psab/StructureDefinition/ObservationSocialHistoryPSAB",
  "version": "1.2.0",
  "name": "ObservationSocialHistoryPSAB",
  "title": "Observation-SocialHistory (PS-AB)",
  "status": "draft",
  "description": "This profile defines a set of constraints to the FHIR Observation (Social History) resource for use in Alberta Patient Summaries (PS-AB). It re-profiles the PS-CA Social History (General) profile and refines constraints applied to the Observation (Social History) resource when used in the PS-AB Composition profile.",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Observation",
  "baseDefinition": "http://fhir.infoway-inforoute.ca/io/psca/StructureDefinition/observation-socialhistory-ca-ps",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Observation",
        "path": "Observation",
        "comment": "Observation (Social History) resources included in Alberta Patient Summary Document Bundles have rules that certain attributes are not to be contained in Observation (Social History) resource. These are mechanically enforced through invariants at the PS-AB Bundle level."
      },
      {
        "id": "Observation.category:social-history",
        "path": "Observation.category",
        "sliceName": "social-history",
        "sliceIsConstraining": true
      },
      {
        "id": "Observation.category:social-history.coding",
        "path": "Observation.category.coding",
        "mustSupport": true
      },
      {
        "id": "Observation.category:social-history.coding.system",
        "path": "Observation.category.coding.system",
        "comment": "Fixed system value of 'http://terminology.hl7.org/CodeSystem/observation-category'",
        "mustSupport": true
      },
      {
        "id": "Observation.category:social-history.coding.code",
        "path": "Observation.category.coding.code",
        "comment": "Fixed code value of 'social-history'",
        "mustSupport": true
      },
      {
        "id": "Observation.code.text",
        "path": "Observation.code.text",
        "comment": "Text string describing the risk factor or type of observation",
        "min": 1
      },
      {
        "id": "Observation.subject",
        "path": "Observation.subject",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://www.alberta.ca/fhir/psab/StructureDefinition/PatientPSAB"
            ]
          }
        ]
      },
      {
        "id": "Observation.effective[x]",
        "path": "Observation.effective[x]",
        "slicing": {
          "discriminator": [
            {
              "type": "type",
              "path": "$this"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "comment": "Required for each lifestyle factor submitted. YYYY-MM-DD format. Partial dates (YYYY only or YYYY-MM only) are accepted.",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Observation.effective[x]:effectiveDateTime",
        "path": "Observation.effective[x]",
        "sliceName": "effectiveDateTime",
        "comment": "YYYY-MM-DDThh:mm:ss[+|-]ZZ:ZZ  e.g.,: 1980-05-31T12:23:12-05:00",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.performer",
        "path": "Observation.performer",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://www.alberta.ca/fhir/psab/StructureDefinition/PractitionerPSAB",
              "https://www.alberta.ca/fhir/psab/StructureDefinition/PractitionerRolePSAB",
              "https://www.alberta.ca/fhir/psab/StructureDefinition/PatientPSAB"
            ]
          }
        ]
      },
      {
        "id": "Observation.value[x]",
        "path": "Observation.value[x]",
        "slicing": {
          "discriminator": [
            {
              "type": "type",
              "path": "$this"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 1
      },
      {
        "id": "Observation.value[x]:valueString",
        "path": "Observation.value[x]",
        "sliceName": "valueString",
        "comment": "If value is populated (desired over note), it is expected to be populated in string format",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "string"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.note",
        "path": "Observation.note",
        "short": "Lifestyle Risk Factor Notes"
      }
    ]
  }
}