{
  "resourceType": "StructureDefinition",
  "id": "Observation-alcoholuse-uv-ips",
  "url": "http://hl7.org/fhir/uv/ips/StructureDefinition/Observation-alcoholuse-uv-ips",
  "name": "ObservationAlcoholUseUvIps",
  "title": "Observation (SH: alcohol use)",
  "status": "active",
  "date": "2018-03-20T10:00:52.49+00:00",
  "description": "This profile constrains the Observation resource to represent alcohol use assessment in a patient summary",
  "kind": "resource",
  "abstract": false,
  "type": "Observation",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Observation",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Observation",
        "path": "Observation",
        "mustSupport": true
      },
      {
        "id": "Observation.id",
        "path": "Observation.id",
        "mustSupport": true
      },
      {
        "id": "Observation.status",
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-display-hint",
            "valueString": "default: final"
          }
        ],
        "path": "Observation.status",
        "mustSupport": true
      },
      {
        "id": "Observation.code",
        "path": "Observation.code",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "CodeableConcept",
            "profile": "http://hl7.org/fhir/uv/ips/StructureDefinition/CodeableConcept-uv-ips"
          }
        ],
        "patternCodeableConcept": {
          "coding": [
            {
              "system": "http://loinc.org",
              "code": "74013-4"
            }
          ]
        },
        "mustSupport": true
      },
      {
        "id": "Observation.subject",
        "path": "Observation.subject",
        "min": 1,
        "type": [
          {
            "code": "Reference",
            "targetProfile": "http://hl7.org/fhir/uv/ips/StructureDefinition/Patient-uv-ips"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.subject.reference",
        "path": "Observation.subject.reference",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Observation.effective[x]",
        "path": "Observation.effective[x]",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.effective[x]:data-absent-reason",
        "path": "Observation.effective[x].extension",
        "short": "effective[x] absence reason",
        "definition": "Provides a reason why the effectiveTime is missing.",
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/StructureDefinition/data-absent-reason"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.valueQuantity",
        "path": "Observation.valueQuantity",
        "type": [
          {
            "code": "Quantity",
            "profile": "http://hl7.org/fhir/uv/ips/StructureDefinition/Quantity-uv-ips"
          }
        ],
        "mustSupport": true
      }
    ]
  }
}